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Home > CA Providers > Retina Specialists

Dr. Margaret A. Chang, MD, MS

Accepting New Patients

(Dr. Margaret Amy Chang, M.D.)

(No ratings)

Specializes in: Vitreoretinal Diseases (Retina and Vitreous)

University of Missouri-Columbia School of Medicine (2002)

Professional interests include: macular degeneration, diabetic retinopathy, retinal detachment, and more.

3555 Deer Park Street Suite 180
Modesto, CA 95219

(209) 938-0496

Dr. Margaret A. Chang, MD, MS is a retina specialist in Roseville, CA specializing in vitreoretinal diseases (retina and vitreous). She graduated from University of Missouri-Columbia School of Medicine in 2002 and has 24 years of experience. Dr. Margaret A. Chang, MD, MS is affiliated with Dignity Health, Retinal Consultants Medical Group, Sutter Health, Central Valley Medical Group, Hill Physicians, Mercy General Hospital Mercy San Juan Medical Center St Joseph's Medical Center Stockton/Behavioral Health and VITREO-RETINAL MEDICAL GROUP, INC.

Office Locations

Retinal Consultants Medical Group

1680 E. Roseville Parkway Suite 140
Roseville, CA 95661

(916) 774-0100

(916) 774-0151

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Hill Physicians

1870 Lassen Boulevard
Yuba City, CA 95993

(530) 273-8062

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2330 E Bidwell Street Suite 200
Folsom, CA 95630

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Hill Physicians

2460 Beacon Street
Chico, CA 95928

(530) 899-2251

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Hill Physicians

2470 Hilborn Road Suite 150
Fairfield, CA 94534

(707) 446-7676

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Retinal Consultants Medical Group

3 Parkcenter Drive Suite 100, Retinal Consultants Medical Group
Sacramento, CA 95825

(916) 454-4861

(916) 454-3603

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300 Sierra College Drive Suite 265
Grass Valley, CA 95945

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3185 M Street
Merced, CA 95348

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Hill Physicians

3555 Deer Park Drive Suite 180
Stockton, CA 95219

(209) 938-0496

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Central Valley Medical Group

3555 Deer Park Street Suite 180
Modesto, CA 95219

(209) 938-0496

(209) 951-5231

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3939 J Street Suite 106
Sacramento, CA 95819

(916) 454-4861

(916) 454-3603

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Central Valley Medical Group

4712 Stoddard Road Suite 180
Modesto, CA 95356

(209) 549-8443

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Sutter Health

5775 Greenback Lane
Sacramento, CA 95841

(916) 339-3655

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615 International Parkway Suite 103
Tracy, CA 95377

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Hill Physicians

9381 E Stockton Boulevard Suite 106
Elk Grove, CA 95624

(916) 714-5500

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Deenaa Chobanian Suite 100
Sacramento, CA 95825

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In The News

“In an AAO panel discussion, Margaret Chang, MD, MS, an ophthalmologist in Sacramento, noted that "something like this is going to be a huge game-changer if it actually pans out at the...”—"Mixed but Mostly Promising Results With IL-6 Inhibitor in Uveitic Macular Edema", MedPage Today, October 2025

“Margaret Chang, MD, an ophthalmologist in Sacramento, California, told MedPage Today that "patients are willing to extrapolate that a slower anatomical decline may also mean a slowing of visual...”—"Patients Like the Idea of Geographic Atrophy Injections -- If They Help Vision", MedPage Today, September 2025

Noteworthy Medicare Patient Procedures Performed by Dr. Margaret A. Chang, MD, MS in 2023

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

Top 5%

By Volume:

eye procedures

intravitreal drug injection

SCODI of the posterior segment

In 2023, Dr. Margaret A. Chang, MD, MS performed more eye procedures, intravitreal drug injection, and SCODI of the posterior segment (SCODI-P) procedures for Medicare patients than 95% of providers in related specialties within California.

Top 10%

By Volume:

vitreoretinal surgical procedures

In 2023, Dr. Margaret A. Chang, MD, MS performed more vitreoretinal surgical procedures procedures for Medicare patients than 90% of providers in related specialties within California.

Top 25%

By Volume:

photocoagulation

In 2012, Dr. Margaret A. Chang, MD, MS performed more photocoagulation 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. Margaret A. Chang, MD, MS treated as a retina specialist in Roseville, CA during 2012 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Margaret A. Chang, MD, MS for Medicare patients.

diagnostic imaging	54
doctor visit	841
eye procedures	16220
injections	3101
laser treatment	27
photocoagulation	216
prophylaxis (preventive treatment)	19
ultrasound (sonogram)	54

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Margaret A. Chang, MD, MS treated as a retina specialist in Roseville, CA during 2013 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Margaret A. Chang, MD, MS for Medicare patients.

diagnostic imaging	85
doctor visit	1579
eye procedures	15748
injections	3452
laser treatment	18
photocoagulation	217
prophylaxis (preventive treatment)	26
ultrasound (sonogram)	85

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Margaret A. Chang, MD, MS.

**Gender**
Male	1136
Female	1487

**Ethnicity**
Non-Hispanic White	2059
Black	74
Hispanic	333
Asian	113
Other	30
Native American	14

**Age**
From 65 to 74	919
From 75 to 84	836
85 and over	637
Less than 65	231

Conditions of Medicare patients treated by Dr. Margaret A. Chang, MD, MS in 2013

Hypertension	70
High Cholesterol	58
Stroke	4
Ischemic Heart Disease	34
Depression	13
Chronic Kidney Disease	28
Asthma	6
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	20
Chronic Obstructive Pulmonary Disease	12
Diabetes	39
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Margaret A. Chang, MD, MS treated as a retina specialist in Roseville, CA during 2014 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Margaret A. Chang, MD, MS for Medicare patients.

diagnostic imaging	50
doctor visit	150
eye procedures	16789
injections	3692
laser treatment	20
photocoagulation	198
prophylaxis (preventive treatment)	19
ultrasound (sonogram)	50

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Margaret A. Chang, MD, MS.

**Gender**
Male	1081
Female	1525

**Ethnicity**
Non-Hispanic White	2065
Black	77
Hispanic	295
Asian	114
Other	39
Native American	16

**Age**
From 65 to 74	914
From 75 to 84	852
85 and over	626
Less than 65	214

Conditions of Medicare patients treated by Dr. Margaret A. Chang, MD, MS in 2014

Hypertension	68
High Cholesterol	57
Stroke	6
Ischemic Heart Disease	34
Depression	14
Chronic Kidney Disease	28
Asthma	7
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	20
Chronic Obstructive Pulmonary Disease	13
Diabetes	38
Dementia	8
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Margaret A. Chang, MD, MS treated as a retina specialist in Roseville, CA during 2015 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Margaret A. Chang, MD, MS for Medicare patients.

diagnostic imaging	61
doctor visit	257
eye procedures	16561
injections	3525
photocoagulation	165
prophylaxis (preventive treatment)	18
ultrasound (sonogram)	61

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Margaret A. Chang, MD, MS.

**Gender**
Male	2300
Female	3046

**Ethnicity**
Non-Hispanic White	4154
Black	146
Hispanic	646
Asian	272
Other	84
Native American	44

**Age**
From 65 to 74	1880
From 75 to 84	1784
85 and over	1272
Less than 65	410

Conditions of Medicare patients treated by Dr. Margaret A. Chang, MD, MS in 2015

Hypertension	69
High Cholesterol	57
Stroke	6
Ischemic Heart Disease	34
Depression	14
Chronic Kidney Disease	30
Asthma	10
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	12
Diabetes	38
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Margaret A. Chang, MD, MS treated as a retina specialist in Roseville, CA during 2016 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Margaret A. Chang, MD, MS for Medicare patients.

diagnostic imaging	48
doctor visit	150
eye procedures	14276
injections	3191
laser treatment	12
photocoagulation	122
prophylaxis (preventive treatment)	28
ultrasound (sonogram)	48

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Margaret A. Chang, MD, MS.

**Gender**
Male	968
Female	1244

**Ethnicity**
Non-Hispanic White	1746
Black	59
Hispanic	235
Asian	109
Other	48
Native American	15

**Age**
From 65 to 74	735
From 75 to 84	758
85 and over	541
Less than 65	178

Conditions of Medicare patients treated by Dr. Margaret A. Chang, MD, MS in 2016

Hypertension	68
High Cholesterol	56
Stroke	6
Ischemic Heart Disease	34
Depression	14
Chronic Kidney Disease	35
Asthma	15
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	20
Chronic Obstructive Pulmonary Disease	13
Diabetes	40
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Margaret A. Chang, MD, MS treated as a retina specialist in Roseville, CA during 2017 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Margaret A. Chang, MD, MS for Medicare patients.

diagnostic imaging	54
doctor visit	48
eye procedures	13245
injections	2885
photocoagulation	78
prophylaxis (preventive treatment)	25
ultrasound (sonogram)	54

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Margaret A. Chang, MD, MS.

**Gender**
Male	910
Female	1091

**Ethnicity**
Non-Hispanic White	1598
Black	51
Hispanic	182
Asian	95
Other	62
Native American	13

**Age**
From 65 to 74	686
From 75 to 84	688
85 and over	492
Less than 65	135

Conditions of Medicare patients treated by Dr. Margaret A. Chang, MD, MS in 2017

Hypertension	69
High Cholesterol	54
Stroke	6
Ischemic Heart Disease	33
Depression	15
Chronic Kidney Disease	36
Asthma	6
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	18
Chronic Obstructive Pulmonary Disease	13
Diabetes	39
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Margaret A. Chang, MD, MS treated as a retina specialist in Roseville, CA during 2018 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Margaret A. Chang, MD, MS for Medicare patients.

diagnostic imaging	69
doctor visit	133
eye procedures	13426
injections	2865
photocoagulation	91
prophylaxis (preventive treatment)	20
ultrasound (sonogram)	69

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Margaret A. Chang, MD, MS.

**Gender**
Male	955
Female	1170

**Ethnicity**
Non-Hispanic White	1698
Black	53
Hispanic	199
Asian	96
Other	66
Native American	13

**Age**
From 65 to 74	731
From 75 to 84	755
85 and over	494
Less than 65	145

Conditions of Medicare patients treated by Dr. Margaret A. Chang, MD, MS in 2018

Hypertension	69
High Cholesterol	58
Stroke	4
Ischemic Heart Disease	33
Depression	15
Chronic Kidney Disease	37
Asthma	7
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	13
Diabetes	39
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Margaret A. Chang, MD, MS treated as a retina specialist in Roseville, CA during 2019 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Margaret A. Chang, MD, MS for Medicare patients.

diagnostic imaging	52
doctor visit	412
eye procedures	12383
injections	2742
photocoagulation	72
prophylaxis (preventive treatment)	26
ultrasound (sonogram)	52

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Margaret A. Chang, MD, MS.

**Gender**
Male	919
Female	1205

**Ethnicity**
Non-Hispanic White	1683
Black	50
Hispanic	198
Asian	113
Other	68
Native American	12

**Age**
From 65 to 74	752
From 75 to 84	731
85 and over	492
Less than 65	149

Conditions of Medicare patients treated by Dr. Margaret A. Chang, MD, MS in 2019

Hypertension	68
High Cholesterol	56
Stroke	4
Ischemic Heart Disease	32
Depression	16
Chronic Kidney Disease	36
Asthma	7
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	13
Diabetes	38
Dementia	10
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Margaret A. Chang, MD, MS treated as a retina specialist in Roseville, CA during 2020 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Margaret A. Chang, MD, MS for Medicare patients.

diagnostic imaging	52
doctor visit	454
eye procedures	11203
injections	2840
photocoagulation	72
prophylaxis (preventive treatment)	18
ultrasound (sonogram)	52

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Margaret A. Chang, MD, MS.

**Gender**
Male	919
Female	1219

**Ethnicity**
Non-Hispanic White	1701
Black	41
Hispanic	206
Asian	112
Other	63
Native American	15

**Age**
From 65 to 74	757
From 75 to 84	743
85 and over	500
Less than 65	138

Conditions of Medicare patients treated by Dr. Margaret A. Chang, MD, MS in 2020

Hypertension	67
High Cholesterol	57
Stroke	4
Ischemic Heart Disease	32
Depression	15
Chronic Kidney Disease	35
Asthma	6
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	11
Diabetes	38
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Margaret A. Chang, MD, MS treated as a retina specialist in Roseville, CA during 2021 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Margaret A. Chang, MD, MS for Medicare patients.

diagnostic imaging	55
doctor visit	274
eye procedures	11227
injections	2847
photocoagulation	61
prophylaxis (preventive treatment)	27
ultrasound (sonogram)	55

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Margaret A. Chang, MD, MS.

**Gender**
Male	873
Female	1197

**Ethnicity**
Non-Hispanic White	1616
Black	0
Hispanic	206
Asian	117
Other	68
Native American	0

**Age**
From 65 to 74	762
From 75 to 84	707
85 and over	474
Less than 65	127

Conditions of Medicare patients treated by Dr. Margaret A. Chang, MD, MS in 2021

Hypertension	68
High Cholesterol	59
Stroke	5
Ischemic Heart Disease	30
Depression	15
Chronic Kidney Disease	35
Asthma	6
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	12
Diabetes	38
Dementia	9
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Margaret A. Chang, MD, MS treated as a retina specialist in Roseville, CA during 2022 were eye procedures, injections, photocoagulation and diagnostic imaging.

Volume of procedures performed by Dr. Margaret A. Chang, MD, MS for Medicare patients.

diagnostic imaging	49
doctor visit	455
eye procedures	8739
injections	2459
photocoagulation	60
prophylaxis (preventive treatment)	27
ultrasound (sonogram)	49

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Margaret A. Chang, MD, MS.

**Gender**
Male	792
Female	1037

**Ethnicity**
Non-Hispanic White	1452
Black	31
Hispanic	180
Asian	103
Other	48
Native American	15

**Age**
From 65 to 74	683
From 75 to 84	612
85 and over	408
Less than 65	126

Conditions of Medicare patients treated by Dr. Margaret A. Chang, MD, MS in 2022

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	26
Depression	15
Chronic Kidney Disease	29
Asthma	10
Osteoperosis	14
Atrial Fibrilation	19
Heart Failure	16
Chronic Obstructive Pulmonary Disease	16
Diabetes	39
Dementia	6
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Margaret A. Chang, MD, MS for Medicare patients.

The highest averages for the top procedures that Dr. Margaret A. Chang, MD, MS treated as a retina specialist in Roseville, CA were eye procedures, injections, photocoagulation and diagnostic imaging.

diagnostic imaging	57
doctor visit	432
eye procedures	13619
injections	3054
laser treatment	19
photocoagulation	122
prophylaxis (preventive treatment)	23
ultrasound (sonogram)	57

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Margaret A. Chang, MD, MS.

**Gender**
Male	986
Female	1292

**Ethnicity**
Black / African American	52
Asian / Pacific Islander	113
Non-Hispanic White	1797
Native American / Alaskan Native	14
Hispanic	243
Other	52

**Age**
75 to 84	769
85 and over	539
Less than 65	168
65 to 74	801

Average of Total of Conditions of Medicare patients treated by Dr. Margaret A. Chang, MD, MS From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Margaret A. Chang, MD, MS treated were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	62
High Cholesterol	53
Stroke	4
Ischemic Heart Disease	29
Depression	13
Chronic Kidney Disease	29
Asthma	7
Osteoporosis	8
Heart Failure	16
Chronic Obstructive Pulmonary Disease	11
Diabetes	35
Atrial Fibrillation	11
Dementia	7
Cancer	9

Education & Training

Dr. Margaret A. Chang, MD, MS graduated from University of Missouri-Columbia School of Medicine in 2002. She completed residency at Wilmer Eye Institute. She is certified by the Ophthalmology - Board Certified and has a state license in Maryland.

Medical School: University of Missouri-Columbia School of Medicine (2002)

Residency: Wilmer Eye Institute

Board Certification: Ophthalmology - Board Certified

Licensed In: Maryland

Affiliations & Hospitals

Dr. Margaret A. Chang, MD, MS is associated with these hospitals and organizations:

Dignity Health

Retinal Consultants Medical Group

Sutter Health

Central Valley Medical Group

Hill Physicians

Mercy General Hospital Mercy San Juan Medical Center St Joseph's Medical Center Stockton/Behavioral Health

VITREO-RETINAL MEDICAL GROUP, INC

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. Margaret A. Chang, MD, MS appears to accept the following insurance providers: WellCare, Blue Shield of California, Medicare Advantage, SCAN Health Plan, United Healthcare, Aetna, Humana, Cigna, Anthem Blue Cross of California, Anthem, Health Net Medicare Advantage HMO, Health Net, UnitedHealthcare, Molina Healthcare, Central Health Plan, Western Health Advantage (WHA), Canopy Health, Accepted Aetna Plans: Health Fund HMO (aka HMO/HRA): HMO: HMO Deductible Plans: Quality Point of Service (QPOS), Hill Physicians Care Solutions, Accepted Sutter Health Plan Plans: Individual and Family Plan HMO: Large and Small Group HMO and Accepted SCAN Plans: Sutter Senior Advantage, a SCAN Medicare Plan (HMO).

Insurance Accepted by Provider includes:

According to our sources, Dr. Margaret A. Chang, MD, MS accepts the following insurance providers:

WellCare

Blue Shield of California

Medicare Advantage

SCAN Health Plan

United Healthcare

Aetna

Humana

Cigna

Anthem Blue Cross of California

Anthem

Health Net Medicare Advantage HMO

Health Net

UnitedHealthcare

Molina Healthcare

Central Health Plan

Western Health Advantage (WHA)

Canopy Health

Accepted Aetna Plans: Health Fund HMO (aka HMO/HRA): HMO: HMO Deductible Plans: Quality Point of Service (QPOS)

Hill Physicians Care Solutions

Accepted Sutter Health Plan Plans: Individual and Family Plan HMO: Large and Small Group HMO

Accepted SCAN Plans: Sutter Senior Advantage, a SCAN Medicare Plan (HMO)

Ratings & Reviews

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General Payments

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

**Payments by Company**
Genentech, Inc.	$26,614 LUCENTIS $14,537	SUSVIMO $3,360	Non-Covered Product $336	NonCovered Product $34	VABYSMO $32	Other $8,316
F. Hoffmann-La Roche AG	$13,500 SUSVIMO $7,261	LUCENTIS $6,239
Genentech USA, Inc.	$12,123 LUCENTIS $6,358	VABYSMO $602	SUSVIMO $511	$4,653
Janssen Research & Development, LLC	$8,663 CNTO 2476 $8,175	$488
Allergan Inc.	$3,677 OZURDEX $3,558	$120
Other	$2,973 Izervay $500	SYFOVRE $183	Cimerli $165	EYLEA (aflibercept) Injection $126	Simbrinza $124	Other $1,876

**Types of Payments**
Consulting Fee	$53,136
Food and Beverage	$6,400
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$5,226
Travel and Lodging	$2,749
Gift	$39

Research Payments

Dr. Margaret A. Chang, MD, MS has received 211 research payments totaling $4,803,087.

Biography

Dr. Margaret Chang's area of specialization is vitreoretinal diseases (retina and vitreous). These areas are among Dr. Chang's clinical interests: age-related macular degeneration (AMD), diabetic retinopathy, and retina surgery. Her professional affiliations include Mercy General Hospital, Memorial Medical Center, Modesto, and Sutter Roseville Medical Center. Anthem, UnitedHealthcare, and Blue California are among the insurance carriers that Dr. Chang honors. According to Central Valley Medical Group, new patients are welcome to contact Dr. Chang's office in Modesto, CA. Her education and training includes medical school at the University of Missouri-Columbia School of Medicine and Columbia University, College of Physicians and Surgeons and residency at Wilmer Eye Institute. In addition to English, she speaks Mandarin and Taiwanese.

Select Year:

Dr. Margaret A. Chang, MD, MS

Office Locations

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. Margaret A. Chang, MD, MS in 2023

By Volume:

By Volume:

By Volume:

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. Margaret A. Chang, MD, MS in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Margaret A. Chang, MD, MS in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Margaret A. Chang, MD, MS in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Margaret A. Chang, MD, MS in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Margaret A. Chang, MD, MS in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Margaret A. Chang, MD, MS in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Margaret A. Chang, MD, MS in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Margaret A. Chang, MD, MS in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Margaret A. Chang, MD, MS in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Margaret A. Chang, MD, MS in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Margaret A. Chang, MD, MS From 2012 - 2022

Education & Training

Affiliations & Hospitals

Insurance Information

Ratings & Reviews

General Payments

Research Payments

Biography

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