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Dr. Chee Hian Tan, MD, PHD

(No ratings)

Specializes in: Ophthalmology (Eye Disease)

The University of Sydney Medical School

8940 Reseda Boulevard Suite 103
Northridge, CA 91324

(818) 993-5410

Dr. Chee Hian Tan, MD, PHD is an ophthalmologist in Pasadena, CA specializing in ophthalmology (eye disease). He graduated from The University of Sydney Medical School. Dr. Chee Hian Tan, MD, PHD is affiliated with Dignity Health and Northridge Hospital Medical Center.

Office Locations

625 S Fair Oaks Avenue Suite 285
Pasadena, CA 91105

(626) 817-4747

(626) 817-4748

open_in_new

Northridge Hospital Medical Center

8940 Reseda Boulevard Suite 103
Northridge, CA 91324

(818) 993-5410

(818) 993-8300

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Chee Hian Tan, MD, PHD in 2023

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

Top 10%

By Affordability:

comprehensive eye exam

eye exam

intermediate eye exam

In 2023, Dr. Chee Hian Tan, MD, PHD had a list price for comprehensive eye exam, eye exam, and intermediate eye exam that was lower than the list prices billed to Medicare by 90% of providers in related specialties within California. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 25%

By Affordability:

fundus photography

gonioscopy

visual field test

In 2012, Dr. Chee Hian Tan, MD, PHD had a list price for fundus photography, gonioscopy, and visual field test that was lower than the list prices billed to Medicare by 75% of providers in related specialties within California. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Chee Hian Tan, MD, PHD treated as an ophthalmologist in Pasadena, CA during 2012 were eye procedures, ultrasound (sonogram) and laser treatment.

Volume of procedures performed by Dr. Chee Hian Tan, MD, PHD for Medicare patients.

doctor visit	13
eye procedures	804
laser treatment	23
ultrasound (sonogram)	83

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Chee Hian Tan, MD, PHD treated as an ophthalmologist in Pasadena, CA during 2013 were eye procedures, ultrasound (sonogram), laser treatment and diagnostic imaging.

Volume of procedures performed by Dr. Chee Hian Tan, MD, PHD for Medicare patients.

diagnostic imaging	19
doctor visit	12
eye procedures	1149
laser treatment	28
ultrasound (sonogram)	85

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Chee Hian Tan, MD, PHD.

**Gender**
Male	66
Female	128

**Ethnicity**
Non-Hispanic White	70
Black	0
Hispanic	68
Asian	32
Other	0
Native American	0

**Age**
From 65 to 74	74
From 75 to 84	63
85 and over	33
Less than 65	24

Conditions of Medicare patients treated by Dr. Chee Hian Tan, MD, PHD in 2013

Hypertension	71
High Cholesterol	54
Stroke	6
Ischemic Heart Disease	41
Depression	16
Chronic Kidney Disease	27
Asthma	7
Osteoperosis	16
Atrial Fibrilation	9
Heart Failure	21
Chronic Obstructive Pulmonary Disease	12
Diabetes	46
Dementia	12
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Chee Hian Tan, MD, PHD treated as an ophthalmologist in Pasadena, CA during 2014 were eye procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Chee Hian Tan, MD, PHD for Medicare patients.

eye procedures	708
ultrasound (sonogram)	30

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Chee Hian Tan, MD, PHD.

**Gender**
Male	83
Female	137

**Ethnicity**
Non-Hispanic White	75
Black	0
Hispanic	78
Asian	39
Other	0
Native American	0

**Age**
From 65 to 74	74
From 75 to 84	81
85 and over	39
Less than 65	26

Conditions of Medicare patients treated by Dr. Chee Hian Tan, MD, PHD in 2014

Hypertension	74
High Cholesterol	59
Stroke	5
Ischemic Heart Disease	35
Depression	19
Chronic Kidney Disease	31
Asthma	7
Osteoperosis	17
Atrial Fibrilation	8
Heart Failure	20
Chronic Obstructive Pulmonary Disease	8
Diabetes	45
Dementia	13
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Chee Hian Tan, MD, PHD treated as an ophthalmologist in Pasadena, CA during 2015 were eye procedures, ultrasound (sonogram), wound repair (e.g. stitches) and laser treatment.

Volume of procedures performed by Dr. Chee Hian Tan, MD, PHD for Medicare patients.

eye procedures	934
laser treatment	24
ultrasound (sonogram)	47
wound repair (e.g. stitches)	34

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Chee Hian Tan, MD, PHD.

**Gender**
Male	116
Female	176

**Ethnicity**
Non-Hispanic White	118
Black	0
Hispanic	58
Asian	78
Other	0
Native American	0

**Age**
From 65 to 74	110
From 75 to 84	116
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Chee Hian Tan, MD, PHD in 2015

Hypertension	72
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	34
Depression	21
Chronic Kidney Disease	32
Asthma	12
Osteoperosis	18
Atrial Fibrilation	8
Heart Failure	14
Chronic Obstructive Pulmonary Disease	14
Diabetes	40
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Chee Hian Tan, MD, PHD treated as an ophthalmologist in Pasadena, CA during 2016 were eye procedures, wound repair (e.g. stitches), ultrasound (sonogram) and injections.

Volume of procedures performed by Dr. Chee Hian Tan, MD, PHD for Medicare patients.

eye procedures	1571
injections	56
laser treatment	32
ultrasound (sonogram)	85
wound repair (e.g. stitches)	90

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Chee Hian Tan, MD, PHD.

**Gender**
Male	97
Female	121

**Ethnicity**
Non-Hispanic White	92
Black	0
Hispanic	35
Asian	62
Other	0
Native American	0

**Age**
From 65 to 74	87
From 75 to 84	81
85 and over	34
Less than 65	16

Conditions of Medicare patients treated by Dr. Chee Hian Tan, MD, PHD in 2016

Hypertension	68
High Cholesterol	52
Stroke	5
Ischemic Heart Disease	34
Depression	16
Chronic Kidney Disease	31
Asthma	16
Osteoperosis	18
Atrial Fibrilation	12
Heart Failure	18
Chronic Obstructive Pulmonary Disease	12
Diabetes	38
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Chee Hian Tan, MD, PHD treated as an ophthalmologist in Pasadena, CA during 2017 were eye procedures, wound repair (e.g. stitches), ultrasound (sonogram) and laser treatment.

Volume of procedures performed by Dr. Chee Hian Tan, MD, PHD for Medicare patients.

eye procedures	1699
injections	29
laser treatment	36
ultrasound (sonogram)	69
wound repair (e.g. stitches)	92

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Chee Hian Tan, MD, PHD.

**Gender**
Male	115
Female	150

**Ethnicity**
Non-Hispanic White	114
Black	0
Hispanic	42
Asian	82
Other	0
Native American	0

**Age**
From 65 to 74	101
From 75 to 84	102
85 and over	43
Less than 65	19

Conditions of Medicare patients treated by Dr. Chee Hian Tan, MD, PHD in 2017

Hypertension	62
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	32
Depression	18
Chronic Kidney Disease	32
Asthma	7
Osteoperosis	17
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	37
Dementia	9
Cancer	8

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Chee Hian Tan, MD, PHD treated as an ophthalmologist in Pasadena, CA during 2018 were eye procedures, ultrasound (sonogram), wound repair (e.g. stitches) and laser treatment.

Volume of procedures performed by Dr. Chee Hian Tan, MD, PHD for Medicare patients.

eye procedures	1851
laser treatment	34
ultrasound (sonogram)	52
wound repair (e.g. stitches)	39

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Chee Hian Tan, MD, PHD.

**Gender**
Male	163
Female	200

**Ethnicity**
Non-Hispanic White	152
Black	27
Hispanic	51
Asian	119
Other	0
Native American	0

**Age**
From 65 to 74	146
From 75 to 84	142
85 and over	59
Less than 65	16

Conditions of Medicare patients treated by Dr. Chee Hian Tan, MD, PHD in 2018

Hypertension	63
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	32
Depression	14
Chronic Kidney Disease	32
Asthma	4
Osteoperosis	16
Atrial Fibrilation	7
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	38
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Chee Hian Tan, MD, PHD treated as an ophthalmologist in Pasadena, CA during 2019 were eye procedures, laser treatment, ultrasound (sonogram) and excision.

Volume of procedures performed by Dr. Chee Hian Tan, MD, PHD for Medicare patients.

ablation	18
excision	27
eye procedures	2070
laser treatment	97
photocoagulation	18
ultrasound (sonogram)	87
wound repair (e.g. stitches)	24

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Chee Hian Tan, MD, PHD.

**Gender**
Male	193
Female	227

**Ethnicity**
Non-Hispanic White	168
Black	31
Hispanic	60
Asian	142
Other	19
Native American	0

**Age**
From 65 to 74	169
From 75 to 84	169
85 and over	62
Less than 65	20

Conditions of Medicare patients treated by Dr. Chee Hian Tan, MD, PHD in 2019

Hypertension	65
High Cholesterol	59
Stroke	3
Ischemic Heart Disease	33
Depression	16
Chronic Kidney Disease	33
Asthma	5
Osteoperosis	16
Atrial Fibrilation	7
Heart Failure	15
Chronic Obstructive Pulmonary Disease	11
Diabetes	41
Dementia	12
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Chee Hian Tan, MD, PHD treated as an ophthalmologist in Pasadena, CA during 2020 were eye procedures, laser treatment, wound repair (e.g. stitches) and excision.

Volume of procedures performed by Dr. Chee Hian Tan, MD, PHD for Medicare patients.

doctor visit	73
excision	19
eye procedures	2087
laser treatment	48
ultrasound (sonogram)	12
wound repair (e.g. stitches)	25

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Chee Hian Tan, MD, PHD.

**Gender**
Male	289
Female	406

**Ethnicity**
Non-Hispanic White	397
Black	19
Hispanic	61
Asian	176
Other	42
Native American	0

**Age**
From 65 to 74	249
From 75 to 84	295
85 and over	131
Less than 65	20

Conditions of Medicare patients treated by Dr. Chee Hian Tan, MD, PHD in 2020

Hypertension	65
High Cholesterol	61
Stroke	4
Ischemic Heart Disease	36
Depression	17
Chronic Kidney Disease	30
Asthma	5
Osteoperosis	17
Atrial Fibrilation	9
Heart Failure	19
Chronic Obstructive Pulmonary Disease	7
Diabetes	35
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Chee Hian Tan, MD, PHD treated as an ophthalmologist in Pasadena, CA during 2021 were eye procedures, laser treatment and capsulotomy.

Volume of procedures performed by Dr. Chee Hian Tan, MD, PHD for Medicare patients.

capsulotomy	22
eye procedures	2160
laser treatment	85

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Chee Hian Tan, MD, PHD.

**Gender**
Male	250
Female	378

**Ethnicity**
Non-Hispanic White	417
Black	12
Hispanic	43
Asian	115
Other	41
Native American	0

**Age**
From 65 to 74	246
From 75 to 84	253
85 and over	116
Less than 65	13

Conditions of Medicare patients treated by Dr. Chee Hian Tan, MD, PHD in 2021

Hypertension	64
High Cholesterol	62
Stroke	4
Ischemic Heart Disease	34
Depression	14
Chronic Kidney Disease	26
Asthma	5
Osteoperosis	16
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	8
Diabetes	29
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Chee Hian Tan, MD, PHD treated as an ophthalmologist in Pasadena, CA during 2022 were eye procedures, laser treatment and capsulotomy.

Volume of procedures performed by Dr. Chee Hian Tan, MD, PHD for Medicare patients.

capsulotomy	40
eye procedures	2062
laser treatment	76

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Chee Hian Tan, MD, PHD.

**Gender**
Male	267
Female	382

**Ethnicity**
Non-Hispanic White	421
Black	0
Hispanic	50
Asian	131
Other	0
Native American	0

**Age**
From 65 to 74	249
From 75 to 84	272
85 and over	115
Less than 65	13

Conditions of Medicare patients treated by Dr. Chee Hian Tan, MD, PHD in 2022

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	31
Depression	13
Chronic Kidney Disease	20
Asthma	7
Osteoperosis	19
Atrial Fibrilation	16
Heart Failure	15
Chronic Obstructive Pulmonary Disease	10
Diabetes	33
Dementia	6
Cancer	15

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Chee Hian Tan, MD, PHD treated as an ophthalmologist in Pasadena, CA during 2023 were eye procedures, laser treatment and capsulotomy.

Volume of procedures performed by Dr. Chee Hian Tan, MD, PHD for Medicare patients.

capsulotomy	39
eye procedures	2153
laser treatment	82

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Chee Hian Tan, MD, PHD.

**Gender**
Male	252
Female	396

**Ethnicity**
Non-Hispanic White	415
Black	17
Hispanic	49
Asian	132
Other	35
Native American	0

**Age**
From 65 to 74	245
From 75 to 84	285
85 and over	106
Less than 65	12

Conditions of Medicare patients treated by Dr. Chee Hian Tan, MD, PHD in 2023

Hypertension	71
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	29
Depression	13
Chronic Kidney Disease	19
Asthma	7
Osteoperosis	19
Atrial Fibrilation	15
Heart Failure	13
Chronic Obstructive Pulmonary Disease	9
Diabetes	32
Dementia	5
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Chee Hian Tan, MD, PHD for Medicare patients.

The highest averages for the top procedures that Dr. Chee Hian Tan, MD, PHD treated as an ophthalmologist in Pasadena, CA were eye procedures, ultrasound (sonogram), laser treatment and wound repair (e.g. stitches).

ablation	18
capsulotomy	33
diagnostic imaging	19
doctor visit	32
excision	23
eye procedures	1604
injections	42
laser treatment	51
photocoagulation	18
ultrasound (sonogram)	61
wound repair (e.g. stitches)	50

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Chee Hian Tan, MD, PHD.

**Gender**
Male	157
Female	225

**Ethnicity**
Black / African American	8
Asian / Pacific Islander	92
Non-Hispanic White	203
Hispanic	49
Native American / Alaskan Native	0
Other	11

**Age**
75 to 84	154
85 and over	61
Less than 65	14
65 to 74	145

Average of Total of Conditions of Medicare patients treated by Dr. Chee Hian Tan, MD, PHD From 2012 - 2023

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

Hypertension	62
High Cholesterol	55
Stroke	3
Ischemic Heart Disease	30
Depression	14
Chronic Kidney Disease	26
Asthma	6
Osteoporosis	15
Heart Failure	14
Chronic Obstructive Pulmonary Disease	9
Diabetes	34
Atrial Fibrillation	9
Cancer	11
Dementia	7

Education & Training

Dr. Chee Hian Tan, MD, PHD graduated from The University of Sydney Medical School. He completed residency at University of Wisconsin Affiliated Hospitals. He is certified by the Ophthalmology and has a state license in California.

Medical School: The University of Sydney Medical School

Residency: University of Wisconsin Affiliated Hospitals

Board Certification: Ophthalmology

Licensed In: California

Affiliations & Hospitals

Dr. Chee Hian Tan, MD, PHD is associated with these hospitals and organizations:

Dignity Health

Northridge Hospital Medical Center

Ratings & Reviews

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General Payments

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

**Payments by Company**
Fisher & Paykel Healthcare Limited	$8,500 $8,500
Bausch and Lomb Inc.	$3,278 PROLENSA $3,278
Alcon Research Ltd	$1,537 $1,537
GLAUKOS CORPORATION	$173 ISTENT TRABECULAR MICRO-BYPASS STENT SYSTEM $173
Novartis Pharmaceuticals Corporation	$172 Durezol $29	XIIDRA $19	$125
Other	$739 Xeomin $115	ELIQUIS $113	SAMSCA $113	DALIRESP $108	SURGICAL PAIN REGIONAL ANESTHESIA $41	Other $249

**Types of Payments**
Food and Beverage	$9,786
Travel and Lodging	$2,087
Consulting Fee	$2,000
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$525

Biography

Dr. Chee Tan specializes in ophthalmology (eye disease) and practices in Northridge, CA and Pasadena, CA. After completing medical school at The University of Sydney Medical School, he performed his residency at a hospital affiliated with the University of Wisconsin. In addition to English, Dr. Tan (or staff) speaks Spanish, Malay, and Cantonese. He is affiliated with Northridge Hospital Medical Center. He is not accepting new patients at this time according to Dignity Health.

Select Year:

Dr. Chee Hian Tan, MD, PHD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Chee Hian Tan, MD, PHD in 2023

By Affordability:

By Affordability:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Chee Hian Tan, MD, PHD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Chee Hian Tan, MD, PHD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Chee Hian Tan, MD, PHD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Chee Hian Tan, MD, PHD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Chee Hian Tan, MD, PHD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Chee Hian Tan, MD, PHD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Chee Hian Tan, MD, PHD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Chee Hian Tan, MD, PHD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Chee Hian Tan, MD, PHD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Chee Hian Tan, MD, PHD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Chee Hian Tan, MD, PHD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Average Medicare Patient Data From 2012 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Chee Hian Tan, MD, PHD From 2012 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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