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Dr. Dawn Johnson Leonard, MD

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Specializes in: General Surgery

Howard University College of Medicine (1996)

11006 Veirs Mill R Suite L1
Wheaton, MD 20902

(301) 681-4422

Dr. Dawn Johnson Leonard, MD is a general surgeon in Wheaton, MD specializing in general surgery. She graduated from Howard University College of Medicine in 1996 and has 30 years of experience. Dr. Dawn Johnson Leonard, MD is affiliated with Holy Cross Health.

Office Locations

Holy Cross Health

11006 Veirs Mill R Suite L1
Wheaton, MD 20902

(301) 681-4422

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Noteworthy Medicare Patient Procedures Performed by Dr. Dawn Johnson Leonard, MD in 2023

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

Top 25%

By Volume:

breast excision

lymph node procedures

open biopsy

By Affordability:

excisional breast biopsy

surgical breast biopsy

In 2012, among providers in related specialties within Maryland, Dr. Dawn Johnson Leonard, MD performed more breast excision, lymph node procedures, and open biopsy procedures for Medicare patients than 75% of them and she also had a list price for excisional breast biopsy, and surgical breast biopsy 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. Dawn Johnson Leonard, MD treated as a general surgeon in Wheaton, MD during 2012 were lymph node procedures, open surgery, diagnostic procedures and excision.

Volume of procedures performed by Dr. Dawn Johnson Leonard, MD for Medicare patients.

diagnostic procedures	11
doctor visit	198
excision	11
lymph node procedures	23
open surgery	11

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Dawn Johnson Leonard, MD for Medicare patients.

doctor visit	289

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Dawn Johnson Leonard, MD.

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

**Age**
From 65 to 74	87
From 75 to 84	48
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Dawn Johnson Leonard, MD in 2013

Hypertension	75
High Cholesterol	64
Stroke	0
Ischemic Heart Disease	25
Depression	16
Chronic Kidney Disease	14
Asthma	10
Osteoperosis	7
Atrial Fibrilation	6
Heart Failure	16
Chronic Obstructive Pulmonary Disease	7
Diabetes	38
Dementia	7
Cancer	59

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Dawn Johnson Leonard, MD treated as a general surgeon in Wheaton, MD during 2014 were lymph node procedures, excision, open surgery and diagnostic procedures.

Volume of procedures performed by Dr. Dawn Johnson Leonard, MD for Medicare patients.

breast procedures	17
cancer surgery	17
diagnostic procedures	22
doctor visit	327
excision	39
lymph node procedures	44
open surgery	22

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Dawn Johnson Leonard, MD.

**Ethnicity**
Non-Hispanic White	0
Black	156
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	112
From 75 to 84	58
85 and over	12
Less than 65	35

Conditions of Medicare patients treated by Dr. Dawn Johnson Leonard, MD in 2014

Hypertension	75
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	18
Depression	18
Chronic Kidney Disease	12
Asthma	10
Osteoperosis	7
Atrial Fibrilation	6
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	38
Dementia	8
Cancer	66

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Dawn Johnson Leonard, MD treated as a general surgeon in Wheaton, MD during 2015 were lymph node procedures, excision, open surgery and diagnostic procedures.

Volume of procedures performed by Dr. Dawn Johnson Leonard, MD for Medicare patients.

breast procedures	19
cancer surgery	19
diagnostic procedures	20
doctor visit	343
excision	39
lymph node procedures	39
open surgery	20

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Dawn Johnson Leonard, MD.

**Ethnicity**
Non-Hispanic White	0
Black	324
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	238
From 75 to 84	136
85 and over	30
Less than 65	68

Conditions of Medicare patients treated by Dr. Dawn Johnson Leonard, MD in 2015

Hypertension	75
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	21
Depression	16
Chronic Kidney Disease	15
Asthma	13
Osteoperosis	8
Atrial Fibrilation	5
Heart Failure	13
Chronic Obstructive Pulmonary Disease	8
Diabetes	36
Dementia	6
Cancer	65

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Dawn Johnson Leonard, MD treated as a general surgeon in Wheaton, MD during 2016 were excision, breast procedures, lymph node procedures and open surgery.

Volume of procedures performed by Dr. Dawn Johnson Leonard, MD for Medicare patients.

breast procedures	37
cancer surgery	26
diagnostic procedures	29
doctor visit	342
excision	55
lymph node procedures	34
open surgery	29

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Dawn Johnson Leonard, MD.

**Gender**
Male	0
Female	255

**Ethnicity**
Non-Hispanic White	0
Black	181
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	126
From 75 to 84	76
85 and over	20
Less than 65	33

Conditions of Medicare patients treated by Dr. Dawn Johnson Leonard, MD in 2016

Hypertension	75
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	25
Depression	16
Chronic Kidney Disease	23
Asthma	17
Osteoperosis	7
Atrial Fibrilation	7
Heart Failure	13
Chronic Obstructive Pulmonary Disease	11
Diabetes	36
Dementia	5
Cancer	68

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

Volume of procedures performed by Dr. Dawn Johnson Leonard, MD for Medicare patients.

doctor visit	126

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Dawn Johnson Leonard, MD.

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

**Age**
From 65 to 74	55
From 75 to 84	48
85 and over	13
Less than 65	26

Conditions of Medicare patients treated by Dr. Dawn Johnson Leonard, MD in 2017

Hypertension	75
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	23
Depression	17
Chronic Kidney Disease	22
Asthma	12
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	13
Chronic Obstructive Pulmonary Disease	11
Diabetes	34
Dementia	0
Cancer	68

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Dawn Johnson Leonard, MD treated as a general surgeon in Wheaton, MD during 2018 were excision, lymph node procedures, breast procedures and cancer surgery.

Volume of procedures performed by Dr. Dawn Johnson Leonard, MD for Medicare patients.

breast procedures	15
cancer surgery	15
diagnostic procedures	13
doctor visit	108
excision	28
lymph node procedures	26
open surgery	13

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Dawn Johnson Leonard, MD.

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

**Age**
From 65 to 74	35
From 75 to 84	25
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Dawn Johnson Leonard, MD in 2018

Hypertension	65
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	20
Depression	24
Chronic Kidney Disease	27
Asthma	18
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	32
Dementia	0
Cancer	63

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Dawn Johnson Leonard, MD treated as a general surgeon in Wheaton, MD during 2019 were excision, lymph node procedures, breast procedures and cancer surgery.

Volume of procedures performed by Dr. Dawn Johnson Leonard, MD for Medicare patients.

breast procedures	19
cancer surgery	19
diagnostic procedures	17
doctor visit	174
excision	36
lymph node procedures	33
open surgery	17

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Dawn Johnson Leonard, MD.

**Ethnicity**
Non-Hispanic White	72
Black	40
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	68
From 75 to 84	41
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Dawn Johnson Leonard, MD in 2019

Hypertension	71
High Cholesterol	66
Stroke	9
Ischemic Heart Disease	19
Depression	28
Chronic Kidney Disease	21
Asthma	8
Osteoperosis	15
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	8
Diabetes	27
Dementia	18
Cancer	71

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Dawn Johnson Leonard, MD treated as a general surgeon in Wheaton, MD during 2020 were excision, lymph node procedures, breast procedures and cancer surgery.

Volume of procedures performed by Dr. Dawn Johnson Leonard, MD for Medicare patients.

breast procedures	17
cancer surgery	17
diagnostic procedures	16
doctor visit	108
excision	33
lymph node procedures	32
open surgery	16

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Dawn Johnson Leonard, MD.

**Gender**
Male	0
Female	111

**Ethnicity**
Non-Hispanic White	68
Black	29
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	56
From 75 to 84	43
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Dawn Johnson Leonard, MD in 2020

Hypertension	68
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	26
Depression	25
Chronic Kidney Disease	22
Asthma	0
Osteoperosis	16
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	27
Dementia	12
Cancer	74

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Dawn Johnson Leonard, MD treated as a general surgeon in Wheaton, MD during 2021 were excision, breast procedures, lymph node procedures and open surgery.

Volume of procedures performed by Dr. Dawn Johnson Leonard, MD for Medicare patients.

breast procedures	63
cancer surgery	44
diagnostic procedures	48
doctor visit	163
excision	92
lymph node procedures	56
open surgery	48

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Dawn Johnson Leonard, MD.

**Gender**
Male	0
Female	114

**Ethnicity**
Non-Hispanic White	87
Black	16
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	61
From 75 to 84	40
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Dawn Johnson Leonard, MD in 2021

Hypertension	70
High Cholesterol	67
Stroke	0
Ischemic Heart Disease	27
Depression	22
Chronic Kidney Disease	17
Asthma	10
Osteoperosis	17
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	10
Diabetes	25
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Dawn Johnson Leonard, MD treated as a general surgeon in Wheaton, MD during 2022 were excision, lymph node procedures, breast procedures and cancer surgery.

Volume of procedures performed by Dr. Dawn Johnson Leonard, MD for Medicare patients.

breast procedures	47
cancer surgery	47
diagnostic procedures	28
doctor visit	153
excision	75
lymph node procedures	57
open surgery	28

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Dawn Johnson Leonard, MD.

**Gender**
Male	0
Female	106

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

**Age**
From 65 to 74	68
From 75 to 84	27
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Dawn Johnson Leonard, MD in 2022

Hypertension	73
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	0
Depression	26
Chronic Kidney Disease	18
Asthma	13
Osteoperosis	21
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	26
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Dawn Johnson Leonard, MD for Medicare patients.

The highest averages for the top procedures that Dr. Dawn Johnson Leonard, MD treated as a general surgeon in Wheaton, MD were excision, lymph node procedures, breast procedures and cancer surgery.

breast procedures	29
cancer surgery	25
diagnostic procedures	22
doctor visit	211
excision	45
lymph node procedures	38
open surgery	22

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Dawn Johnson Leonard, MD.

**Gender**
Female	53
Male	0

**Ethnicity**
Black / African American	87
Asian / Pacific Islander	0
Non-Hispanic White	31
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	6
75 to 84	49
Less than 65	14
65 to 74	82

Average of Total of Conditions of Medicare patients treated by Dr. Dawn Johnson Leonard, MD From 2012 - 2022

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

Hypertension	65
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	18
Depression	18
Chronic Kidney Disease	17
Asthma	10
Osteoporosis	8
Heart Failure	6
Chronic Obstructive Pulmonary Disease	5
Diabetes	29
Atrial Fibrillation	2
Dementia	5
Cancer	62

Education & Training

Dr. Dawn Johnson Leonard, MD graduated from Howard University College of Medicine in 1996. She completed residency at Howard University Hospital. She is certified by the Surgery, General, American Board of Surgery and has a state license in Maryland.

Medical School: Howard University College of Medicine (1996)

Residency: Howard University Hospital (2001)

Board Certification: Surgery, General, American Board of Surgery (2002)

Licensed In: Maryland

Affiliations & Hospitals

Dr. Dawn Johnson Leonard, MD is associated with these hospitals and organizations:

Holy Cross Health

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General Payments

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

**Payments by Company**
Genentech USA, Inc.	$296 Herceptin $152	Perjeta $89	Gazyva $43	TARCEVA $12
Endomagnetics Ltd	$294 Magtrace $294
Elucent Medical	$55 $55
EISAI INC.	$48 Halaven $48
Stryker Corporation	$33 neuromend $18	Reprocessed Pneumatic Tourn Cuff $16
Other	$81 SAMSCA $25	YERVOY $24	ESC - Hemostasis $16	ELEVIEW $16

**Types of Payments**
Food and Beverage	$807

Biography

Dr. Dawn Leonard's specialty is general surgery. She is affiliated with Holy Cross Health. Dr. Leonard's practice in Wheaton, MD is open to new patients as reported by Holy Cross Health. Before performing her residency at Howard University Hospital, Dr. Leonard attended Howard University College of Medicine for medical school.