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Dr. Bonnie Sun, MD

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(Bonnie Sun, MD)

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Specializes in: General Surgery

6420 Rockledge Drive Suite 4100 Johns Hopkins Health Care and Surgery Center
Bethesda, MD 20817

(301) 530-5151

Dr. Bonnie Sun, MD is a general surgeon in Bethesda, MD specializing in general surgery. Dr. Bonnie Sun, MD is affiliated with Johns Hopkins Health Care & Surgery Center — Bethesda.

Office Locations

6420 Rockledge Drive Suite 4100 Johns Hopkins Health Care and Surgery Center
Bethesda, MD 20817

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Noteworthy Medicare Patient Procedures Performed by Dr. Bonnie Sun, MD in 2024

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

Top 5%

By Volume:

biopsy

breast cancer surgery

breast procedures

excision

excisional breast biopsy without margin

lymph node procedures

mastectomy for breast cancer

open biopsy

open lymph node biopsy

targeted breast ultrasound

ultrasound-guided breast needle localization

By Affordability:

minimally invasive procedures

In 2024, among providers in related specialties within Maryland, Dr. Bonnie Sun, MD performed more biopsy, breast cancer surgery, breast procedures, excision, excisional breast biopsy without margin (surrounding tissue), lymph node procedures, mastectomy for breast cancer, open biopsy, open lymph node biopsy, targeted breast ultrasound, and ultrasound-guided breast needle localization procedures for Medicare patients than 95% of them and she also had a list price for minimally invasive procedures that was lower than the list prices billed to Medicare by 95% 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 Affordability:

breast procedures

In 2012, Dr. Bonnie Sun, MD had a list price for breast procedures that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Maryland. 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

Volume of procedures performed by Dr. Bonnie Sun, MD for Medicare patients.

doctor visit	74

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Bonnie Sun, MD for Medicare patients.

doctor visit	182

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Bonnie Sun, MD.

**Ethnicity**
Non-Hispanic White	112
Black	35
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	97
From 75 to 84	45
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Bonnie Sun, MD in 2013

Hypertension	54
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	20
Depression	9
Chronic Kidney Disease	9
Asthma	9
Osteoperosis	13
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	18
Dementia	0
Cancer	57

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

Volume of procedures performed by Dr. Bonnie Sun, MD for Medicare patients.

doctor visit	214

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Bonnie Sun, MD.

**Ethnicity**
Non-Hispanic White	152
Black	33
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	127
From 75 to 84	50
85 and over	13
Less than 65	11

Conditions of Medicare patients treated by Dr. Bonnie Sun, MD in 2014

Hypertension	44
High Cholesterol	46
Stroke	0
Ischemic Heart Disease	16
Depression	12
Chronic Kidney Disease	7
Asthma	8
Osteoperosis	12
Atrial Fibrilation	0
Heart Failure	7
Chronic Obstructive Pulmonary Disease	0
Diabetes	13
Dementia	0
Cancer	53

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Bonnie Sun, MD treated as a general surgeon in Bethesda, MD during 2015 were breast procedures, excision, diagnostic procedures and open surgery.

Volume of procedures performed by Dr. Bonnie Sun, MD for Medicare patients.

breast procedures	62
cancer surgery	18
diagnostic procedures	47
doctor visit	446
excision	51
image guided procedures	14
lymph node procedures	18
minimally invasive procedures	14
minor procedures	14
open surgery	33
ultrasound (sonogram)	15
women's imaging	15

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Bonnie Sun, MD.

**Ethnicity**
Non-Hispanic White	588
Black	108
Hispanic	0
Asian	0
Other	32
Native American	0

**Age**
From 65 to 74	468
From 75 to 84	216
85 and over	58
Less than 65	32

Conditions of Medicare patients treated by Dr. Bonnie Sun, MD in 2015

Hypertension	51
High Cholesterol	49
Stroke	4
Ischemic Heart Disease	17
Depression	12
Chronic Kidney Disease	7
Asthma	9
Osteoperosis	17
Atrial Fibrilation	5
Heart Failure	6
Chronic Obstructive Pulmonary Disease	6
Diabetes	16
Dementia	3
Cancer	52

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Bonnie Sun, MD treated as a general surgeon in Bethesda, MD during 2016 were breast procedures, ultrasound (sonogram), women's imaging and diagnostic procedures.

Volume of procedures performed by Dr. Bonnie Sun, MD for Medicare patients.

breast procedures	41
diagnostic procedures	24
doctor visit	295
excision	12
image guided procedures	12
lymph node procedures	12
minimally invasive procedures	12
minor procedures	12
open surgery	12
ultrasound (sonogram)	29
women's imaging	29

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Bonnie Sun, MD.

**Gender**
Male	0
Female	247

**Ethnicity**
Non-Hispanic White	184
Black	32
Hispanic	0
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	153
From 75 to 84	67
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Bonnie Sun, MD in 2016

Hypertension	51
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	19
Depression	11
Chronic Kidney Disease	12
Asthma	15
Osteoperosis	18
Atrial Fibrilation	4
Heart Failure	7
Chronic Obstructive Pulmonary Disease	6
Diabetes	20
Dementia	5
Cancer	53

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Bonnie Sun, MD treated as a general surgeon in Bethesda, MD during 2017 were breast procedures, ultrasound (sonogram), women's imaging and excision.

Volume of procedures performed by Dr. Bonnie Sun, MD for Medicare patients.

breast procedures	46
cancer surgery	16
diagnostic procedures	14
doctor visit	241
excision	30
lymph node procedures	28
open surgery	14
ultrasound (sonogram)	30
women's imaging	30

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Bonnie Sun, MD.

**Ethnicity**
Non-Hispanic White	143
Black	39
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	116
From 75 to 84	67
85 and over	15
Less than 65	12

Conditions of Medicare patients treated by Dr. Bonnie Sun, MD in 2017

Hypertension	54
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	18
Depression	20
Chronic Kidney Disease	14
Asthma	10
Osteoperosis	21
Atrial Fibrilation	0
Heart Failure	8
Chronic Obstructive Pulmonary Disease	0
Diabetes	18
Dementia	5
Cancer	52

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Bonnie Sun, MD treated as a general surgeon in Bethesda, MD during 2018 were breast procedures, excision, diagnostic procedures and lymph node procedures.

Volume of procedures performed by Dr. Bonnie Sun, MD for Medicare patients.

breast procedures	76
cancer surgery	20
diagnostic procedures	37
doctor visit	304
excision	39
image guided procedures	31
lymph node procedures	37
minimally invasive procedures	31
minor procedures	18
open surgery	19
ultrasound (sonogram)	25
women's imaging	25

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Bonnie Sun, MD.

**Ethnicity**
Non-Hispanic White	174
Black	44
Hispanic	12
Asian	16
Other	12
Native American	0

**Age**
From 65 to 74	150
From 75 to 84	77
85 and over	17
Less than 65	14

Conditions of Medicare patients treated by Dr. Bonnie Sun, MD in 2018

Hypertension	59
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	18
Depression	19
Chronic Kidney Disease	18
Asthma	10
Osteoperosis	20
Atrial Fibrilation	0
Heart Failure	10
Chronic Obstructive Pulmonary Disease	7
Diabetes	21
Dementia	0
Cancer	53

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Bonnie Sun, MD treated as a general surgeon in Bethesda, MD during 2019 were breast procedures, excision, lymph node procedures and diagnostic procedures.

Volume of procedures performed by Dr. Bonnie Sun, MD for Medicare patients.

breast procedures	119
cancer surgery	44
diagnostic procedures	52
doctor visit	352
excision	83
image guided procedures	44
lymph node procedures	78
minimally invasive procedures	44
minor procedures	13
open surgery	39
ultrasound (sonogram)	31
women's imaging	31

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Bonnie Sun, MD.

**Ethnicity**
Non-Hispanic White	173
Black	46
Hispanic	0
Asian	34
Other	0
Native American	0

**Age**
From 65 to 74	146
From 75 to 84	94
85 and over	24
Less than 65	12

Conditions of Medicare patients treated by Dr. Bonnie Sun, MD in 2019

Hypertension	60
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	20
Depression	16
Chronic Kidney Disease	14
Asthma	10
Osteoperosis	24
Atrial Fibrilation	5
Heart Failure	7
Chronic Obstructive Pulmonary Disease	6
Diabetes	21
Dementia	7
Cancer	57

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Bonnie Sun, MD treated as a general surgeon in Bethesda, MD during 2020 were breast procedures, excision, lymph node procedures and diagnostic procedures.

Volume of procedures performed by Dr. Bonnie Sun, MD for Medicare patients.

breast procedures	105
cancer surgery	39
diagnostic procedures	43
doctor visit	297
excision	67
image guided procedures	37
lymph node procedures	58
minimally invasive procedures	37
minor procedures	15
open surgery	28
ultrasound (sonogram)	29
women's imaging	29

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Bonnie Sun, MD.

**Ethnicity**
Non-Hispanic White	167
Black	45
Hispanic	0
Asian	30
Other	0
Native American	0

**Age**
From 65 to 74	144
From 75 to 84	78
85 and over	25
Less than 65	17

Conditions of Medicare patients treated by Dr. Bonnie Sun, MD in 2020

Hypertension	52
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	19
Depression	15
Chronic Kidney Disease	16
Asthma	6
Osteoperosis	16
Atrial Fibrilation	6
Heart Failure	6
Chronic Obstructive Pulmonary Disease	5
Diabetes	23
Dementia	6
Cancer	61

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Bonnie Sun, MD treated as a general surgeon in Bethesda, MD during 2021 were breast procedures, excision, lymph node procedures and cancer surgery.

Volume of procedures performed by Dr. Bonnie Sun, MD for Medicare patients.

breast procedures	206
cancer surgery	79
diagnostic procedures	60
doctor visit	300
excision	139
image guided procedures	57
lymph node procedures	123
minimally invasive procedures	57
open surgery	60
ultrasound (sonogram)	70
women's imaging	70

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Bonnie Sun, MD.

**Ethnicity**
Non-Hispanic White	173
Black	35
Hispanic	0
Asian	24
Other	0
Native American	0

**Age**
From 65 to 74	138
From 75 to 84	95
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Bonnie Sun, MD in 2021

Hypertension	59
High Cholesterol	64
Stroke	0
Ischemic Heart Disease	19
Depression	17
Chronic Kidney Disease	13
Asthma	4
Osteoperosis	21
Atrial Fibrilation	0
Heart Failure	5
Chronic Obstructive Pulmonary Disease	0
Diabetes	21
Dementia	7
Cancer	65

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Bonnie Sun, MD treated as a general surgeon in Bethesda, MD during 2022 were breast procedures, excision, lymph node procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Bonnie Sun, MD for Medicare patients.

breast procedures	288
cancer surgery	92
diagnostic procedures	86
doctor visit	237
excision	178
image guided procedures	72
lymph node procedures	132
minimally invasive procedures	72
open surgery	86
ultrasound (sonogram)	105
women's imaging	105

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Bonnie Sun, MD.

**Ethnicity**
Non-Hispanic White	130
Black	23
Hispanic	0
Asian	17
Other	0
Native American	0

**Age**
From 65 to 74	91
From 75 to 84	74
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Bonnie Sun, MD in 2022

Hypertension	69
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	18
Depression	15
Chronic Kidney Disease	8
Asthma	7
Osteoperosis	25
Atrial Fibrilation	9
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	21
Dementia	0
Cancer	70

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Bonnie Sun, MD treated as a general surgeon in Bethesda, MD during 2023 were breast procedures, excision, lymph node procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Bonnie Sun, MD for Medicare patients.

breast procedures	262
cancer surgery	79
diagnostic procedures	75
doctor visit	238
excision	154
image guided procedures	66
lymph node procedures	115
minimally invasive procedures	66
open surgery	75
ultrasound (sonogram)	100
women's imaging	100

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Bonnie Sun, MD.

**Ethnicity**
Non-Hispanic White	131
Black	24
Hispanic	0
Asian	17
Other	0
Native American	0

**Age**
From 65 to 74	94
From 75 to 84	68
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Bonnie Sun, MD in 2023

Hypertension	70
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	16
Depression	20
Chronic Kidney Disease	13
Asthma	12
Osteoperosis	25
Atrial Fibrilation	7
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	22
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Bonnie Sun, MD treated as a general surgeon in Bethesda, MD during 2024 were breast procedures, excision, lymph node procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Bonnie Sun, MD for Medicare patients.

breast procedures	276
cancer surgery	99
diagnostic procedures	66
doctor visit	235
excision	165
image guided procedures	65
lymph node procedures	106
minimally invasive procedures	65
open surgery	66
ultrasound (sonogram)	99
women's imaging	99

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Bonnie Sun, MD.

**Ethnicity**
Non-Hispanic White	138
Black	21
Hispanic	0
Asian	20
Other	0
Native American	0

**Age**
From 65 to 74	94
From 75 to 84	69
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Bonnie Sun, MD in 2024

Hypertension	67
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	18
Depression	18
Chronic Kidney Disease	19
Asthma	12
Osteoperosis	29
Atrial Fibrilation	8
Heart Failure	7
Chronic Obstructive Pulmonary Disease	0
Diabetes	25
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Bonnie Sun, MD for Medicare patients.

The highest averages for the top procedures that Dr. Bonnie Sun, MD treated as a general surgeon in Bethesda, MD were breast procedures, excision, lymph node procedures and cancer surgery.

breast procedures	148
cancer surgery	54
diagnostic procedures	50
doctor visit	262
excision	91
image guided procedures	44
lymph node procedures	70
minimally invasive procedures	44
minor procedures	14
open surgery	43
ultrasound (sonogram)	53
women's imaging	53

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Bonnie Sun, MD.

**Gender**
Male	0
Female	19

**Ethnicity**
Black / African American	37
Asian / Pacific Islander	12
Non-Hispanic White	174
Hispanic	0
Native American / Alaskan Native	0
Other	5

**Age**
75 to 84	76
85 and over	11
Less than 65	7
65 to 74	139

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

The highest averages of the most common conditions of Medicare patients that Dr. Bonnie Sun, MD treated were cancer, hypertension, high cholesterol and diabetes.

Hypertension	53
High Cholesterol	52
Stroke	2
Ischemic Heart Disease	16
Depression	14
Chronic Kidney Disease	11
Asthma	8
Osteoporosis	18
Heart Failure	4
Chronic Obstructive Pulmonary Disease	2
Diabetes	18
Atrial Fibrillation	3
Cancer	55
Dementia	2

Education & Training

She has a state license in California.

Licensed In: California

Ratings & Reviews

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General Payments

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

**Payments by Company**
AXOGEN	$1,435 AxoGuard Nerve Cap $1,423	$12
iCAD, Inc	$442 Axxent Controller $442
Vector Surgical, LLC	$426 MarginMarker $315	$111
Genentech USA, Inc.	$153 TECENTRIQ $94	Avastin $58
Jazz Pharmaceuticals Inc.	$143 ZEPZELCA $143
Other	$408 Tymlos $112	INVOKANA $112	AFINITOR $89	IORT $66	CrossFlow $29

**Types of Payments**
Food and Beverage	$2,044
Travel and Lodging	$964

Biography

Dr. Bonnie Sun is an assistant professor of surgery and breast surgeon at Suburban Hospital and a faculty member of Johns Hopkins School of Medicine. She practices in Washington, D.C. and Bethesda, MD as a Johns Hopkins Community Physician.  Dr. Sun has an expertise in breast cancer and is skilled in surgical techniques to improve cosmetic outcomes, such as nipple and skin sparing mastectomy, minimally invasive breast surgery and breast conservation with oncoplastic techniques.  Dr. Sun earned her medical degree from Pennsylvania State University College of Medicine. She completed a residency in general surgery, followed by a fellowship in breast surgery at University of Southern California Medical Center. Dr. Sun is a fellow of the American College of Surgeons and a member of the Society of Surgical Oncology, the American Society of Breast Surgeons, the Association of Women Surgeons and the American Society of Clinical Oncology.  Dr. Sun has conducted research focusing on surgical treatment that improves clinical outcomes, long-term outcomes and postoperative quality of life, as well as clinical advancements in the practice of breast oncologic surgery. She has published numerous scientific papers in national peer-reviewed journals and presented at national meetings.  To support Dr. Sun's research, visit: https://secure.jhu.edu/form/BonnieSun