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Dr. Donald S. Karcher, MD

(Dr. Donald Steven Karcher, MD)

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Specializes in: Hematopathology

Louisiana State University School of Medicine in New Orleans (1974)

Professional interests include: lymphoma, leukemia, clinical informatics

900 23rd Street Nw
Washington, DC 20037

(202) 994-4665

Dr. Donald S. Karcher, MD is a hematopathologist in Washington, DC specializing in hematopathology. He graduated from Louisiana State University School of Medicine in New Orleans in 1974 and has 52 years of experience. Dr. Donald S. Karcher, MD is affiliated with GW Medical Faculty Associates and MEDICAL FACULTY ASSOCIATES, INC.

Office Locations

GW Medical Faculty Associates

2300 M Street Nw 7th Floor
Washington, DC 20037

(202) 677-6600

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900 23rd Street Nw
Washington, DC 20037

(202) 994-4665

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In The News

“Not all states have an equally robust program," said Dr. Donald Karcher, president of the College of American Pathologists. "”—"Q&A: Why Finland is vaccinating farmers against bird flu - but California isn't - and more info about the spreading virus", Monterey Herald, December 2024

“Donald Karcher, MD, president of the College of American Pathologists, agreed.”—"House Committee Wrestles With Lab Test Regulation", MedPage Today, March 2024

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Donald S. Karcher, MD treated as a hematopathologist in Washington, DC during 2012 were lab tests and cytology.

Volume of procedures performed by Dr. Donald S. Karcher, MD for Medicare patients.

cytology	14
lab tests	171

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Donald S. Karcher, MD treated as a hematopathologist in Washington, DC during 2013 were lab tests and cytology.

Volume of procedures performed by Dr. Donald S. Karcher, MD for Medicare patients.

cytology	15
lab tests	223

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald S. Karcher, MD.

**Gender**
Male	65
Female	46

**Ethnicity**
Non-Hispanic White	59
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	41
From 75 to 84	41
85 and over	18
Less than 65	11

Conditions of Medicare patients treated by Dr. Donald S. Karcher, MD in 2013

Hypertension	75
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	46
Depression	13
Chronic Kidney Disease	45
Asthma	0
Osteoperosis	0
Atrial Fibrilation	14
Heart Failure	30
Chronic Obstructive Pulmonary Disease	17
Diabetes	40
Dementia	0
Cancer	20

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Donald S. Karcher, MD treated as a hematopathologist in Washington, DC during 2014 were lab tests.

Volume of procedures performed by Dr. Donald S. Karcher, MD for Medicare patients.

lab tests	41

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald S. Karcher, MD.

**Gender**
Male	25
Female	20

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

**Age**
From 65 to 74	22
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Donald S. Karcher, MD in 2014

Hypertension	73
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	40
Depression	0
Chronic Kidney Disease	44
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	33
Chronic Obstructive Pulmonary Disease	0
Diabetes	42
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Donald S. Karcher, MD treated as a hematopathologist in Washington, DC during 2015 were lab tests.

Volume of procedures performed by Dr. Donald S. Karcher, MD for Medicare patients.

lab tests	55

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald S. Karcher, MD.

**Gender**
Male	56
Female	46

**Ethnicity**
Non-Hispanic White	0
Black	60
Hispanic	0
Asian	0
Other	0
Native American	0

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

Conditions of Medicare patients treated by Dr. Donald S. Karcher, MD in 2015

Hypertension	67
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	24
Depression	27
Chronic Kidney Disease	53
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	29
Chronic Obstructive Pulmonary Disease	0
Diabetes	33
Dementia	0
Cancer	31

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Donald S. Karcher, MD treated as a hematopathologist in Washington, DC during 2016 were lab tests.

Volume of procedures performed by Dr. Donald S. Karcher, MD for Medicare patients.

lab tests	29

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald S. Karcher, MD.

**Gender**
Male	29
Female	25

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

**Age**
From 65 to 74	24
From 75 to 84	14
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Donald S. Karcher, MD in 2016

Hypertension	75
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	43
Depression	20
Chronic Kidney Disease	54
Asthma	30
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	43
Chronic Obstructive Pulmonary Disease	28
Diabetes	41
Dementia	0
Cancer	31

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Donald S. Karcher, MD treated as a hematopathologist in Washington, DC during 2017 were lab tests.

Volume of procedures performed by Dr. Donald S. Karcher, MD for Medicare patients.

lab tests	54

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald S. Karcher, MD.

**Gender**
Male	38
Female	41

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

**Age**
From 65 to 74	35
From 75 to 84	16
85 and over	11
Less than 65	17

Conditions of Medicare patients treated by Dr. Donald S. Karcher, MD in 2017

Hypertension	65
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	32
Depression	18
Chronic Kidney Disease	41
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	33
Chronic Obstructive Pulmonary Disease	20
Diabetes	30
Dementia	0
Cancer	28

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Donald S. Karcher, MD treated as a hematopathologist in Washington, DC during 2018 were lab tests.

Volume of procedures performed by Dr. Donald S. Karcher, MD for Medicare patients.

lab tests	73

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald S. Karcher, MD.

**Gender**
Male	48
Female	51

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

**Age**
From 65 to 74	51
From 75 to 84	20
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Donald S. Karcher, MD in 2018

Hypertension	75
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	48
Depression	33
Chronic Kidney Disease	54
Asthma	12
Osteoperosis	0
Atrial Fibrilation	16
Heart Failure	34
Chronic Obstructive Pulmonary Disease	23
Diabetes	34
Dementia	16
Cancer	27

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Donald S. Karcher, MD treated as a hematopathologist in Washington, DC during 2019 were lab tests.

Volume of procedures performed by Dr. Donald S. Karcher, MD for Medicare patients.

lab tests	116

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald S. Karcher, MD.

**Gender**
Male	37
Female	43

**Ethnicity**
Non-Hispanic White	37
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	36
From 75 to 84	26
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Donald S. Karcher, MD in 2019

Hypertension	75
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	39
Depression	24
Chronic Kidney Disease	59
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	38
Chronic Obstructive Pulmonary Disease	14
Diabetes	38
Dementia	14
Cancer	19

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Donald S. Karcher, MD treated as a hematopathologist in Washington, DC during 2020 were lab tests.

Volume of procedures performed by Dr. Donald S. Karcher, MD for Medicare patients.

lab tests	58

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald S. Karcher, MD.

**Gender**
Male	21
Female	25

**Ethnicity**
Non-Hispanic White	25
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

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

Conditions of Medicare patients treated by Dr. Donald S. Karcher, MD in 2020

Hypertension	74
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	52
Depression	0
Chronic Kidney Disease	46
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	24
Diabetes	28
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald S. Karcher, MD.

**Ethnicity**
Non-Hispanic White	11
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

Conditions of Medicare patients treated by Dr. Donald S. Karcher, MD in 2021

Hypertension	64
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	50
Depression	0
Chronic Kidney Disease	59
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2021

Volume of procedures performed by Dr. Donald S. Karcher, MD for Medicare patients.

The highest averages for the top procedures that Dr. Donald S. Karcher, MD treated as a hematopathologist in Washington, DC were lab tests and cytology.

cytology	14
lab tests	91

Average Medicare Patient Data From 2012 - 2021

Information about Medicare patients treated by Dr. Donald S. Karcher, MD.

**Gender**
Male	31
Female	29

**Ethnicity**
Black / African American	18
Asian / Pacific Islander	0
Non-Hispanic White	15
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	11
85 and over	2
Less than 65	2
65 to 74	30

Average of Total of Conditions of Medicare patients treated by Dr. Donald S. Karcher, MD From 2012 - 2021

The highest averages of the most common conditions of Medicare patients that Dr. Donald S. Karcher, MD treated were hypertension, chronic kidney disease, high cholesterol and ischemic heart disease.

Hypertension	64
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	37
Depression	13
Chronic Kidney Disease	45
Asthma	4
Osteoporosis	0
Heart Failure	24
Chronic Obstructive Pulmonary Disease	12
Diabetes	28
Atrial Fibrillation	3
Dementia	3
Cancer	15

Education & Training

Dr. Donald S. Karcher, MD graduated from Louisiana State University School of Medicine in New Orleans in 1974. He completed residency at Brooke Army Medical Center. He is certified by the Anatomic and Clinical Pathology Hematopathology and has a state license in District of Columbia.

Medical School: Louisiana State University School of Medicine in New Orleans (1974)

Residency: Brooke Army Medical Center

Board Certification: Anatomic and Clinical Pathology Hematopathology

Licensed In: District of Columbia

Affiliations & Hospitals

Dr. Donald S. Karcher, MD is associated with these hospitals and organizations:

GW Medical Faculty Associates

MEDICAL FACULTY ASSOCIATES, INC

Ratings & Reviews

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General Payments

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

**Payments by Company**
Roche Diagnostics Corporation	$1,029 CD cobas Analyzer Series $750	CD cobas Automation $250	TD BenchMark IHC/ISH and Special Stains Reagents $29
AstraZeneca Pharmaceuticals LP	$81 Enhertu $81

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$1,000
Food and Beverage	$110

Biography

Dr. Donald Karcher sees patients in Washington, DC. His medical specialty is hematopathology. Before performing his residency at Brooke Army Medical Center, Dr. Karcher attended Louisiana State University School of Medicine in New Orleans for medical school. In his practice, he is particularly interested in leukemia, lymphoma, and clinical informatics. Dr. Karcher is affiliated with GW Medical Faculty Associates.