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Dr. Sanford Chen, MD

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Specializes in: Vitreoretinal Diseases (Retina and Vitreous) and General Ophthalmology

University of Michigan Medical School

Professional interests include: anisocoria, diabetic retinopathy, cataract surgery, and more.

1200 N. Tustin Avenue Suite 140
Santa Ana, CA 92705

(714) 972-8432

Dr. Sanford Chen, MD is a retina specialist in Santa Ana, CA specializing in vitreoretinal diseases (retina and vitreous) and general ophthalmology. He graduated from University of Michigan Medical School. Dr. Sanford Chen, MD is affiliated with Providence, MemorialCare, Hoag, Rady Children's Health, Orange County Retina Med Group, ORANGE COUNTY RETINA MEDICAL GROUP, Providence Affiliated Physicians, St. Joseph and Sanford Chen, MD.

Office Locations

Rady Children's Health

1200 N. Tustin Avenue Suite 140
Santa Ana, CA 92705

(714) 972-8432

(714) 972-4715

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23521 Paseo De Valencia Suite 309
Laguna Hills, CA 92653

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24022 Calle De La Plata Suite 475 Laguna Hills Ca
Laguna Hills, CA 92653

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320 Superior Avenue Suite 160
Newport Beach, CA 92663

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999 North Tustin Avenue Suite 17
Santa Ana, CA 92705

(714) 972-8432

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Some issues Dr. Sanford Chen, MD can help you with:

Autoimmune Diseases

An autoimmune disorder happens when the immune system mistakenly attacks the tissues of its own body, causing symptoms of illness. There are more than 80 different types of autoimmune disorders. While some are very rare, others are fairly common. Combined, autoimmune disorders are one of the leading causes of death and disability in the United States, affecting approximately 24 million people.

A properly working immune system identifies foreign substances in the body that might cause illness, such as bacteria and viruses. The immune system then creates antibodies which attack the foreign substances, neutralizing them and keeping the body safe. In people with autoimmune disorders, something goes wrong with this process. For reasons that are not fully understand, the immune system creates antibodies to attack the patient's own tissues.

Symptoms of an autoimmune disorder depend on which tissue is being attacked by the immune system, but common symptoms of autoimmune disease include fever, fatigue, and a general feeling of just not being well. Autoimmune disorders are more common in women than in men, and they may run in families. Autoimmune disorders can affect various parts of the body such as blood vessels, connective tissue, endocrine glands, joints, muscles, red blood cells, skin, and many others.

It is common to have more than one autoimmune disorder at a time. Most are chronic, or life-long illnesses, although they may come and go in flares. Treatment for autoimmune disorders depends on which part of the body is being attacked. For example:

A type 1 diabetic whose pancreas has been damaged will need insulin.
A person with Hashimoto's whose thyroid has been damaged will need replacement thyroid hormones.
Someone with Sjogren's syndrome will need eye drops and mouth rinses to replace tears and saliva.

Many autoimmune disorders of all kinds are treated with immune-suppressing medications, such as corticosteroids (e.g. prednisone) to reduce the effect of the immune system.

Dacryocystorhinostomy (DCR)

Dacryocystorhinostomy, or DCR, is a surgical procedure used to bypass a blocked tear duct.

Normally, the tears that constantly bathe the eyes are drained through two tiny holes in the eyelid, where they run through a duct into the nose. This tear duct can become clogged or blocked, causing tears to back up and leading to watery eyes. Common causes of tear duct blockages include trauma, a facial tumor, and inflammation due to certain medical conditions, but usually the cause is not known. Clogged tear ducts are especially common in young children. If the blockage is permanent and located lower in the duct, near the nose, DCR may be performed to create a bypass and allow tears to drain freely again.

During DCR surgery, a small hole is made in the bone and tissue between the upper part of the tear duct and the nasal passage. Usually, a tiny plastic tube called a stent is placed into the opening to protect it and keep it open during healing. DCR may be performed through an open incision on the upper cheek near the nose, or it may be performed endoscopically using tiny instruments that are passed through the nostril. Open surgery is more common, and has a slightly higher success rate, although endoscopic surgery causes less pain and bleeding during recovery. DCR is able to correct the blockage and watering eyes in nearly 95% of cases.

The surgery itself takes only about half an hour. It is usually done under general anesthesia, which may require a short hospital stay while patients recover. Small amounts of bleeding from the nose are not uncommon for the first 24 hours, and bruising and swelling are expected for the first two weeks. Don't be alarmed if the eye continues to water at first. Swelling in the area due to surgery can cause the eye to water, but this should go away as patients heal.

Eye Problems

Millions of people every year have problems with their eyes. Some of the most common eye problems are refractive disorders, glaucoma, diabetic retinopathy, macular degeneration, and cataracts.

Refractive disorders happen when the shape of the eye doesn't let allow someone focus very precisely. They might be myopic (nearsighted), hyperopic (farsighted), or have an astigmatism, which is a focus problem caused by the cornea. Refractive disorders can be corrected by glasses or contacts.

Glaucoma is the leading cause of blindness in the United States. It happens when fluid pressure builds up within the eye and damages the optic nerve. It is treated with medications and surgery.

Diabetic retinopathy is a common complication of diabetes. The retina is tissue at the back of the eye that is filled with numerous, tiny blood vessels. When diabetes damages these delicate blood vessels, they burst or leak, leading to blind spots and blurred vision. Diabetic retinopathy can be treated with laser therapy and surgery, but often vision cannot be restored.

Macular degeneration is common in older adults. The macula is the central part of the retina and is responsible for crisp center vision. Over time, the cells in the macula begin to die, making central vision blurry. An early symptom of macular degeneration is that straight lines appear wavy.

Cataracts happen when the clear lens in the front of the eye becomes cloudy, making things look blurry or faded. They are extremely common in older people. By age 80, more than half of all Americans will have had a cataract. In early stages, prescription glasses and magnifying lenses can help. As the cataracts get worse, surgery to replace the lens may be the best option.

More than just one of the five senses, the eyes are heavily relied upon to communicate, work, and get around every day. It's important to have regular eye exams for vision stays in good shape for years to come.

Noteworthy Medicare Patient Procedures Performed by Dr. Sanford Chen, MD in 2024

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 10%

By Volume:

comprehensive eye exam

eye procedures

SCODI of the posterior segment

In 2024, Dr. Sanford Chen, MD performed more comprehensive eye exam, eye procedures, and SCODI of the posterior segment (SCODI-P) procedures for Medicare patients than 90% of providers in related specialties within California.

Top 25%

By Volume:

intravitreal drug injection

In 2012, Dr. Sanford Chen, MD performed more intravitreal drug injection procedures for Medicare patients than 75% of providers in related specialties within California.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Sanford Chen, MD treated as a retina specialist in Santa Ana, CA during 2012 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Sanford Chen, MD for Medicare patients.

diagnostic imaging	27
doctor visit	1707
eye procedures	3538
injections	961
photocoagulation	12
prophylaxis (preventive treatment)	12
tonometry	18
ultrasound (sonogram)	27

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Sanford Chen, MD treated as a retina specialist in Santa Ana, CA during 2013 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Sanford Chen, MD for Medicare patients.

diagnostic imaging	24
doctor visit	1358
eye procedures	3990
injections	994
photocoagulation	26
prophylaxis (preventive treatment)	14
ultrasound (sonogram)	24

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Sanford Chen, MD.

**Gender**
Male	426
Female	583

**Ethnicity**
Non-Hispanic White	769
Black	0
Hispanic	62
Asian	146
Other	0
Native American	0

**Age**
From 65 to 74	355
From 75 to 84	356
85 and over	269
Less than 65	29

Conditions of Medicare patients treated by Dr. Sanford Chen, MD in 2013

Hypertension	67
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	37
Depression	11
Chronic Kidney Disease	23
Asthma	7
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	18
Chronic Obstructive Pulmonary Disease	9
Diabetes	34
Dementia	9
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Sanford Chen, MD treated as a retina specialist in Santa Ana, CA during 2014 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Sanford Chen, MD for Medicare patients.

diagnostic imaging	19
doctor visit	1466
eye procedures	4237
injections	898
photocoagulation	18
prophylaxis (preventive treatment)	18
ultrasound (sonogram)	19

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Sanford Chen, MD.

**Gender**
Male	404
Female	535

**Ethnicity**
Non-Hispanic White	689
Black	0
Hispanic	55
Asian	157
Other	0
Native American	0

**Age**
From 65 to 74	344
From 75 to 84	336
85 and over	228
Less than 65	31

Conditions of Medicare patients treated by Dr. Sanford Chen, MD in 2014

Hypertension	65
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	33
Depression	12
Chronic Kidney Disease	23
Asthma	8
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	18
Chronic Obstructive Pulmonary Disease	11
Diabetes	36
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Sanford Chen, MD treated as a retina specialist in Santa Ana, CA during 2015 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Sanford Chen, MD for Medicare patients.

diagnostic imaging	18
doctor visit	1147
eye procedures	3885
injections	722
ultrasound (sonogram)	18

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Sanford Chen, MD.

**Gender**
Male	774
Female	994

**Ethnicity**
Non-Hispanic White	1326
Black	0
Hispanic	96
Asian	272
Other	0
Native American	0

**Age**
From 65 to 74	640
From 75 to 84	612
85 and over	470
Less than 65	46

Conditions of Medicare patients treated by Dr. Sanford Chen, MD in 2015

Hypertension	66
High Cholesterol	61
Stroke	4
Ischemic Heart Disease	34
Depression	13
Chronic Kidney Disease	26
Asthma	11
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	17
Chronic Obstructive Pulmonary Disease	9
Diabetes	35
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Sanford Chen, MD treated as a retina specialist in Santa Ana, CA during 2016 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Sanford Chen, MD for Medicare patients.

diagnostic imaging	21
doctor visit	499
eye procedures	4176
injections	763
ultrasound (sonogram)	21

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Sanford Chen, MD.

**Gender**
Male	334
Female	449

**Ethnicity**
Non-Hispanic White	580
Black	0
Hispanic	43
Asian	133
Other	0
Native American	0

**Age**
From 65 to 74	285
From 75 to 84	283
85 and over	202
Less than 65	13

Conditions of Medicare patients treated by Dr. Sanford Chen, MD in 2016

Hypertension	65
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	31
Depression	13
Chronic Kidney Disease	29
Asthma	12
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	9
Diabetes	33
Dementia	11
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Sanford Chen, MD treated as a retina specialist in Santa Ana, CA during 2017 were eye procedures and injections.

Volume of procedures performed by Dr. Sanford Chen, MD for Medicare patients.

doctor visit	1008
eye procedures	3828
injections	828

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Sanford Chen, MD.

**Gender**
Male	372
Female	497

**Ethnicity**
Non-Hispanic White	629
Black	0
Hispanic	46
Asian	151
Other	0
Native American	0

**Age**
From 65 to 74	307
From 75 to 84	327
85 and over	216
Less than 65	19

Conditions of Medicare patients treated by Dr. Sanford Chen, MD in 2017

Hypertension	67
High Cholesterol	54
Stroke	6
Ischemic Heart Disease	31
Depression	16
Chronic Kidney Disease	30
Asthma	6
Osteoperosis	13
Atrial Fibrilation	11
Heart Failure	15
Chronic Obstructive Pulmonary Disease	9
Diabetes	31
Dementia	11
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Sanford Chen, MD treated as a retina specialist in Santa Ana, CA during 2018 were eye procedures, injections, photocoagulation and prophylaxis (preventive treatment).

Volume of procedures performed by Dr. Sanford Chen, MD for Medicare patients.

doctor visit	1090
eye procedures	4201
injections	973
photocoagulation	12
prophylaxis (preventive treatment)	12

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Sanford Chen, MD.

**Gender**
Male	426
Female	535

**Ethnicity**
Non-Hispanic White	693
Black	0
Hispanic	57
Asian	173
Other	0
Native American	0

**Age**
From 65 to 74	377
From 75 to 84	340
85 and over	231
Less than 65	13

Conditions of Medicare patients treated by Dr. Sanford Chen, MD in 2018

Hypertension	65
High Cholesterol	64
Stroke	5
Ischemic Heart Disease	32
Depression	14
Chronic Kidney Disease	30
Asthma	6
Osteoperosis	12
Atrial Fibrilation	13
Heart Failure	15
Chronic Obstructive Pulmonary Disease	9
Diabetes	31
Dementia	10
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Sanford Chen, MD treated as a retina specialist in Santa Ana, CA during 2019 were eye procedures and injections.

Volume of procedures performed by Dr. Sanford Chen, MD for Medicare patients.

doctor visit	682
eye procedures	5053
injections	1109

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Sanford Chen, MD.

**Gender**
Male	432
Female	536

**Ethnicity**
Non-Hispanic White	697
Black	0
Hispanic	47
Asian	180
Other	0
Native American	0

**Age**
From 65 to 74	387
From 75 to 84	338
85 and over	227
Less than 65	16

Conditions of Medicare patients treated by Dr. Sanford Chen, MD in 2019

Hypertension	64
High Cholesterol	67
Stroke	5
Ischemic Heart Disease	32
Depression	13
Chronic Kidney Disease	29
Asthma	7
Osteoperosis	14
Atrial Fibrilation	12
Heart Failure	15
Chronic Obstructive Pulmonary Disease	9
Diabetes	30
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Sanford Chen, MD treated as a retina specialist in Santa Ana, CA during 2020 were eye procedures and injections.

Volume of procedures performed by Dr. Sanford Chen, MD for Medicare patients.

doctor visit	809
eye procedures	3995
injections	1129

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Sanford Chen, MD.

**Gender**
Male	364
Female	462

**Ethnicity**
Non-Hispanic White	628
Black	0
Hispanic	36
Asian	122
Other	0
Native American	0

**Age**
From 65 to 74	301
From 75 to 84	317
85 and over	193
Less than 65	15

Conditions of Medicare patients treated by Dr. Sanford Chen, MD in 2020

Hypertension	60
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	33
Depression	15
Chronic Kidney Disease	29
Asthma	6
Osteoperosis	14
Atrial Fibrilation	11
Heart Failure	15
Chronic Obstructive Pulmonary Disease	8
Diabetes	29
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Sanford Chen, MD treated as a retina specialist in Santa Ana, CA during 2021 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Sanford Chen, MD for Medicare patients.

diagnostic imaging	20
doctor visit	602
eye procedures	5300
injections	1410
ultrasound (sonogram)	20

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Sanford Chen, MD.

**Gender**
Male	379
Female	490

**Ethnicity**
Non-Hispanic White	654
Black	0
Hispanic	38
Asian	138
Other	0
Native American	0

**Age**
From 65 to 74	310
From 75 to 84	353
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sanford Chen, MD in 2021

Hypertension	66
High Cholesterol	67
Stroke	5
Ischemic Heart Disease	35
Depression	14
Chronic Kidney Disease	30
Asthma	6
Osteoperosis	15
Atrial Fibrilation	11
Heart Failure	16
Chronic Obstructive Pulmonary Disease	9
Diabetes	28
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Sanford Chen, MD treated as a retina specialist in Santa Ana, CA during 2022 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Sanford Chen, MD for Medicare patients.

diagnostic imaging	13
doctor visit	864
eye procedures	5551
injections	1545
ultrasound (sonogram)	13

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Sanford Chen, MD.

**Gender**
Male	386
Female	509

**Ethnicity**
Non-Hispanic White	657
Black	0
Hispanic	43
Asian	154
Other	0
Native American	0

**Age**
From 65 to 74	309
From 75 to 84	377
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sanford Chen, MD in 2022

Hypertension	74
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	25
Depression	12
Chronic Kidney Disease	24
Asthma	10
Osteoperosis	21
Atrial Fibrilation	18
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Dementia	6
Cancer	17

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Sanford Chen, MD treated as a retina specialist in Santa Ana, CA during 2023 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Sanford Chen, MD for Medicare patients.

diagnostic imaging	23
doctor visit	944
eye procedures	5521
injections	1600
tonometry	13
ultrasound (sonogram)	23

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Sanford Chen, MD.

**Gender**
Male	382
Female	484

**Ethnicity**
Non-Hispanic White	633
Black	0
Hispanic	40
Asian	153
Other	0
Native American	0

**Age**
From 65 to 74	295
From 75 to 84	351
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sanford Chen, MD in 2023

Hypertension	73
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	26
Depression	12
Chronic Kidney Disease	24
Asthma	11
Osteoperosis	21
Atrial Fibrilation	19
Heart Failure	15
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Dementia	7
Cancer	17

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Sanford Chen, MD treated as a retina specialist in Santa Ana, CA during 2024 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Sanford Chen, MD for Medicare patients.

diagnostic imaging	17
doctor visit	610
eye procedures	5806
injections	1609
ultrasound (sonogram)	17

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Sanford Chen, MD.

**Gender**
Male	376
Female	514

**Ethnicity**
Non-Hispanic White	649
Black	0
Hispanic	40
Asian	161
Other	0
Native American	0

**Age**
From 65 to 74	296
From 75 to 84	360
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sanford Chen, MD in 2024

Hypertension	73
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	25
Depression	15
Chronic Kidney Disease	24
Asthma	12
Osteoperosis	22
Atrial Fibrilation	19
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	30
Dementia	7
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Sanford Chen, MD for Medicare patients.

The highest averages for the top procedures that Dr. Sanford Chen, MD treated as a retina specialist in Santa Ana, CA were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

diagnostic imaging	20
doctor visit	983
eye procedures	4544
injections	1118
photocoagulation	17
prophylaxis (preventive treatment)	14
tonometry	15
ultrasound (sonogram)	20

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Sanford Chen, MD.

**Gender**
Male	388
Female	506

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	149
Non-Hispanic White	661
Native American / Alaskan Native	0
Hispanic	46
Other	0

**Age**
75 to 84	334
85 and over	156
Less than 65	14
65 to 74	323

Average of Total of Conditions of Medicare patients treated by Dr. Sanford Chen, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Sanford Chen, MD treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	61
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	28
Depression	12
Chronic Kidney Disease	24
Asthma	7
Osteoporosis	13
Heart Failure	14
Chronic Obstructive Pulmonary Disease	9
Diabetes	28
Atrial Fibrillation	12
Dementia	8
Cancer	11

Education & Training

Dr. Sanford Chen, MD graduated from University of Michigan Medical School. He completed residency at Scheie Eye Institute. He is certified by the American Board of Ophthalmology, Ophthalmology and has a state license in California.

Medical School: University of Michigan Medical School

Residency: Scheie Eye Institute

Board Certification: American Board of Ophthalmology, Ophthalmology

Licensed In: California

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Sanford Chen, MD appears to accept the following insurance providers: Anthem Blue Cross HMO, Health Net HMO, Aetna HMO, CIGNA HMO, Medicare Advantage, Anthem, Blue Shield of California and United Healthcare HMO.

Insurance Accepted by Provider includes:

According to our sources, Dr. Sanford Chen, MD accepts the following insurance providers:

Anthem Blue Cross HMO

Health Net HMO

Aetna HMO

CIGNA HMO

Medicare Advantage

Anthem

Blue Shield of California

United Healthcare HMO

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General Payments

These charts describe general payments received by Dr. Sanford Chen, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Regeneron Healthcare Solutions, Inc.	$50,104 EYLEA HD $24,521	Eylea $19,116	EYLEA aflibercept injection $5,097	EYLEA (aflibercept) Injection $1,370
Astellas Pharma US Inc	$41,229 Izervay $40,937	$291
Regeneron Pharmaceuticals, Inc.	$33,621 EYLEA (aflibercept) Injection $25,042	EYLEA aflibercept injection $8,203	Eylea $376
Genentech USA, Inc.	$26,870 SUSVIMO $14,883	LUCENTIS $10,437	VABYSMO $1,546	$4
Allergan Inc.	$26,044 OZURDEX $23,257	RESTASIS $134	XEN $90	COMBIGAN $60	LUMIGAN $58	Other $2,445
Other	$54,506 ILUVIEN $8,727	Vitreoretinal Equipment $7,865	Constellation $4,470	VitreoretinalEquipment $2,493	Non-Covered Product $2,376	Other $28,574

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$78,963
Consulting Fee	$76,096
Food and Beverage	$44,873
Travel and Lodging	$30,676
Honoraria	$850
Other	$916

Research Payments

Dr. Sanford Chen, MD has received 239 research payments totaling $3,045,024.

Biography

Dr. Sanford Chen specializes in general ophthalmology and vitreoretinal diseases (retina and vitreous) and practices in Santa Ana, CA, Newport Beach, CA, and Laguna Hills, CA. These areas are among his clinical interests: nystagmus, eye floater, and ectropion (outward-turned eyelid). Dr. Chen is affiliated with MemorialCare, Hoag, and Rady Children's Health. He appears to be an in-network provider for United Healthcare HMO, Anthem, and Blue Cross/Blue Shield, in addition to other insurance carriers. According to Providence Medical Foundation, he is currently accepting new patients at his office in Santa Ana, CA. Dr. Chen attended the University of Michigan Medical School and then went on to complete his residency at Scheie Eye Institute. He has received professional recognition including the following: America’s Top Ophthalmologists Consumers’ Research Council of America, 6th Edition; Patients’ Choice Physician Award MDx Medical; and Southern California Super Doctors 2008. Dr. Chen (or staff) speaks Mandarin, Spanish, and Korean.