In 2023, among providers in related specialties within California, Dr. Louis Yang, MD performed more laser trabeculoplasty, and ultrasound corneal pachymetry procedures for Medicare patients than 90% of them and he also had a list price for corneal pachymetry (corneal thickness test), gonioscopy, laser eye surgery, laser glaucoma surgery, laser trabeculoplasty, ophthalmic ultrasound, scanning computerized ophthalmic diagnostic imaging (SCODI), SCODI of the posterior segment (SCODI-P), secondary cataract surgery, ultrasound corneal pachymetry, YAG laser capsulotomy, and YAG laser surgery that was lower than the list prices billed to Medicare by 90% of them. 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 Volume:

eye procedures

laser eye surgery

SCODI of the posterior segment

simple cataract surgery

By Affordability:

anterior segment surgery

cataract surgery

cataract surgery with IOL implantation

comprehensive eye exam

extracapsular cataract extraction with IOL implantation

extracapsular lens removal

eye tests

intraocular lens implant

lens removal surgery

lens replacement surgery

ophthalmic biometry

simple cataract surgery

In 2012, among providers in related specialties within California, Dr. Louis Yang, MD performed more eye procedures, laser eye surgery, SCODI of the posterior segment (SCODI-P), and simple cataract surgery procedures for Medicare patients than 75% of them and he also had a list price for anterior segment surgery, cataract surgery, cataract surgery with IOL implantation, comprehensive eye exam, extracapsular cataract extraction (ECCE) with IOL implantation, extracapsular lens removal, eye tests, intraocular lens (IOL) implant, lens removal surgery, lens replacement surgery, ophthalmic biometry, and simple cataract surgery that was lower than the list prices billed to Medicare by 75% of them. 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. Louis Yang, MD treated as an ophthalmologist in San Rafael, CA during 2012 were eye procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Louis Yang, MD for Medicare patients.

eye procedures	167
ultrasound (sonogram)	31

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Louis Yang, MD treated as an ophthalmologist in San Rafael, CA during 2013 were eye procedures, ultrasound (sonogram), laser treatment and excision.

Volume of procedures performed by Dr. Louis Yang, MD for Medicare patients.

doctor visit	77
excision	22
eye procedures	1560
laser treatment	34
ultrasound (sonogram)	178

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Louis Yang, MD.

**Gender**
Male	215
Female	300

**Ethnicity**
Non-Hispanic White	414
Black	29
Hispanic	0
Asian	42
Other	18
Native American	0

**Age**
From 65 to 74	199
From 75 to 84	160
85 and over	142
Less than 65	14

Conditions of Medicare patients treated by Dr. Louis Yang, MD in 2013

Hypertension	54
High Cholesterol	42
Stroke	4
Ischemic Heart Disease	27
Depression	13
Chronic Kidney Disease	20
Asthma	4
Osteoperosis	6
Atrial Fibrilation	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	8
Diabetes	21
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Louis Yang, MD treated as an ophthalmologist in San Rafael, CA during 2014 were eye procedures, ultrasound (sonogram) and laser treatment.

Volume of procedures performed by Dr. Louis Yang, MD for Medicare patients.

eye procedures	754
laser treatment	14
ultrasound (sonogram)	68

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Louis Yang, MD.

**Gender**
Male	146
Female	198

**Ethnicity**
Non-Hispanic White	260
Black	28
Hispanic	0
Asian	40
Other	0
Native American	0

**Age**
From 65 to 74	107
From 75 to 84	128
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Louis Yang, MD in 2014

Hypertension	54
High Cholesterol	41
Stroke	4
Ischemic Heart Disease	27
Depression	11
Chronic Kidney Disease	19
Asthma	6
Osteoperosis	6
Atrial Fibrilation	12
Heart Failure	13
Chronic Obstructive Pulmonary Disease	9
Diabetes	23
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Louis Yang, MD treated as an ophthalmologist in San Rafael, CA during 2019 were eye procedures, ultrasound (sonogram) and laser treatment.

Volume of procedures performed by Dr. Louis Yang, MD for Medicare patients.

doctor visit	27
eye procedures	1615
laser treatment	20
ultrasound (sonogram)	40

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Louis Yang, MD.

**Gender**
Male	227
Female	384

**Ethnicity**
Non-Hispanic White	280
Black	0
Hispanic	43
Asian	232
Other	39
Native American	0

**Age**
From 65 to 74	255
From 75 to 84	234
85 and over	109
Less than 65	13

Conditions of Medicare patients treated by Dr. Louis Yang, MD in 2019

Hypertension	61
High Cholesterol	59
Stroke	3
Ischemic Heart Disease	19
Depression	9
Chronic Kidney Disease	26
Asthma	7
Osteoperosis	12
Atrial Fibrilation	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	6
Diabetes	26
Dementia	7
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Louis Yang, MD treated as an ophthalmologist in San Rafael, CA during 2020 were eye procedures, laser treatment, ultrasound (sonogram) and capsulotomy.

Volume of procedures performed by Dr. Louis Yang, MD for Medicare patients.

capsulotomy	26
doctor visit	20
eye procedures	2491
laser treatment	70
ultrasound (sonogram)	47

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Louis Yang, MD.

**Gender**
Male	245
Female	370

**Ethnicity**
Non-Hispanic White	337
Black	0
Hispanic	41
Asian	184
Other	41
Native American	0

**Age**
From 65 to 74	250
From 75 to 84	224
85 and over	130
Less than 65	11

Conditions of Medicare patients treated by Dr. Louis Yang, MD in 2020

Hypertension	55
High Cholesterol	53
Stroke	3
Ischemic Heart Disease	21
Depression	11
Chronic Kidney Disease	25
Asthma	6
Osteoperosis	10
Atrial Fibrilation	8
Heart Failure	12
Chronic Obstructive Pulmonary Disease	4
Diabetes	26
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Louis Yang, MD treated as an ophthalmologist in San Rafael, CA during 2021 were eye procedures, laser treatment, ultrasound (sonogram) and capsulotomy.

Volume of procedures performed by Dr. Louis Yang, MD for Medicare patients.

capsulotomy	18
eye procedures	2857
laser treatment	67
ultrasound (sonogram)	25

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Louis Yang, MD.

**Gender**
Male	251
Female	384

**Ethnicity**
Non-Hispanic White	325
Black	0
Hispanic	35
Asian	208
Other	56
Native American	0

**Age**
From 65 to 74	259
From 75 to 84	234
85 and over	131
Less than 65	11

Conditions of Medicare patients treated by Dr. Louis Yang, MD in 2021

Hypertension	58
High Cholesterol	56
Stroke	2
Ischemic Heart Disease	20
Depression	11
Chronic Kidney Disease	23
Asthma	4
Osteoperosis	12
Atrial Fibrilation	8
Heart Failure	11
Chronic Obstructive Pulmonary Disease	4
Diabetes	23
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Louis Yang, MD treated as an ophthalmologist in San Rafael, CA during 2022 were eye procedures, ultrasound (sonogram), laser treatment and capsulotomy.

Volume of procedures performed by Dr. Louis Yang, MD for Medicare patients.

capsulotomy	18
doctor visit	973
eye procedures	2492
laser treatment	91
ultrasound (sonogram)	158

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Louis Yang, MD.

**Gender**
Male	280
Female	444

**Ethnicity**
Non-Hispanic White	555
Black	0
Hispanic	40
Asian	85
Other	0
Native American	0

**Age**
From 65 to 74	259
From 75 to 84	319
85 and over	128
Less than 65	18

Conditions of Medicare patients treated by Dr. Louis Yang, MD in 2022

Hypertension	63
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	18
Depression	13
Chronic Kidney Disease	16
Asthma	9
Osteoperosis	22
Atrial Fibrilation	16
Heart Failure	10
Chronic Obstructive Pulmonary Disease	8
Diabetes	18
Dementia	5
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Louis Yang, MD for Medicare patients.

The highest averages for the top procedures that Dr. Louis Yang, MD treated as an ophthalmologist in San Rafael, CA were eye procedures, ultrasound (sonogram), laser treatment and excision.

capsulotomy	20
doctor visit	274
excision	22
eye procedures	1705
laser treatment	49
ultrasound (sonogram)	78

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Louis Yang, MD.

**Gender**
Male	194
Female	297

**Ethnicity**
Black / African American	8
Asian / Pacific Islander	113
Non-Hispanic White	310
Native American / Alaskan Native	0
Hispanic	22
Other	22

**Age**
75 to 84	185
85 and over	91
Less than 65	9
65 to 74	189

Average of Total of Conditions of Medicare patients treated by Dr. Louis Yang, MD From 2012 - 2022

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

Hypertension	49
High Cholesterol	46
Stroke	3
Ischemic Heart Disease	18
Depression	9
Chronic Kidney Disease	18
Asthma	5
Osteoporosis	9
Heart Failure	9
Chronic Obstructive Pulmonary Disease	5
Diabetes	19
Atrial Fibrillation	8
Dementia	6
Cancer	9

Education & Training

He has a state license in California.

Licensed In: California

Affiliations & Hospitals

Dr. Louis Yang, MD is associated with these hospitals and organizations:

Marin General Hospital

Ratings & Reviews

Dr. Louis Yang, MD does not have any reviews yet, be the first to leave a review of Dr. Louis Yang, MD here: Leave a Review

(No ratings)

Leave a Review

General Payments

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

**Payments by Company**
Alcon Vision LLC	$589 Rocklatan $171	ReSTOR $91	Rhopressa $53	AcrySof IQ PanOptix $25	Hydrus Microstent $24	Other $226
Sight Sciences, Inc.	$304 OMNI $134	OMNI Surgical System $111	OMNI(R) SURGICAL SYSTEM (US) $58
Allergan, Inc.	$196 XEN GLAUCOMA TREATMENT SYSTEM $121	LUMIGAN $43	XEN $25	COMBIGAN $7
TissueTech, Inc.	$165 AmnioGuard $126	AmnioGraft $39
Mallinckrodt Hospital Products Inc.	$121 ACTHAR $121
Other	$933 LUMIGAN $126	RayOne Aspheric $101	Rhopressa $85	TEPEZZA $79	VYZULTA $72	Other $471

**Types of Payments**
Food and Beverage	$2,268
Gift	$19
Travel and Lodging	$12
Education	$7

Biography

Dr. Louis Yang is a glaucoma specialist. Before performing his residency at a hospital affiliated with the University of Washington, Dr. Yang attended Rosalind Franklin University of Medicine and Science, Chicago Medical School. Dr. Yang is conversant in Mandarin and Taiwanese. He is professionally affiliated with Marin General Hospital and Brown and Toland Physicians. Brown and Toland Physicians reports that Dr. Yang is accepting new patients at his office in San Rafael, CA.