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Dr. Karen De Castro Dah, MD

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Specializes in: Adult Nephrology

Ross University School of Medicine (2011)

Professional interests include: kidney problems

7500 Greenway Center Drive Suite 930
Greenbelt, MD 20770

(301) 345-2412

Dr. Karen De Castro Dah, MD is a nephrologist in Greenbelt, MD specializing in adult nephrology. She graduated from Ross University School of Medicine in 2011 and has 15 years of experience. Dr. Karen De Castro Dah, MD is affiliated with Holy Cross Health, Luminis Health and CAPITAL NEPHROLOGY, PC.

Office Locations

Luminis Health

7500 Greenway Center Drive Suite 930
Greenbelt, MD 20770

(301) 345-2412

(301) 345-3978

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Noteworthy Medicare Patient Procedures Performed by Dr. Karen De Castro Dah, MD in 2023

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

Top 25%

By Volume:

inpatient hospital care

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2013, among providers in related specialties within Maryland, Dr. Karen De Castro Dah, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 75% of them and she also had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) 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

2017 Medicare Procedure Volume

The top procedures that Dr. Karen De Castro Dah, MD treated as a nephrologist in Greenbelt, MD during 2017 were hospital care, inpatient care, dialysis and hemofiltration.

Volume of procedures performed by Dr. Karen De Castro Dah, MD for Medicare patients.

dialysis	280
doctor visit	569
hemofiltration	54
hospital care	1336
inpatient care	1336

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen De Castro Dah, MD.

**Gender**
Male	378
Female	385

**Ethnicity**
Non-Hispanic White	463
Black	273
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	267
From 75 to 84	230
85 and over	92
Less than 65	174

Conditions of Medicare patients treated by Dr. Karen De Castro Dah, MD in 2017

The most common conditions of Medicare patients that Dr. Karen De Castro Dah, MD treated during 2017 were chronic kidney disease, hypertension, high cholesterol and diabetes.

Hypertension	75
High Cholesterol	70
Stroke	15
Ischemic Heart Disease	63
Depression	29
Chronic Kidney Disease	75
Asthma	10
Osteoperosis	6
Atrial Fibrilation	23
Heart Failure	59
Chronic Obstructive Pulmonary Disease	34
Diabetes	63
Dementia	19
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Karen De Castro Dah, MD treated as a nephrologist in Greenbelt, MD during 2018 were hospital care, inpatient care, dialysis and hemofiltration.

Volume of procedures performed by Dr. Karen De Castro Dah, MD for Medicare patients.

dialysis	412
doctor visit	748
hemofiltration	40
hospital care	1816
inpatient care	1816
lab tests	16

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen De Castro Dah, MD.

**Gender**
Male	485
Female	492

**Ethnicity**
Non-Hispanic White	614
Black	333
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	347
From 75 to 84	322
85 and over	129
Less than 65	179

Conditions of Medicare patients treated by Dr. Karen De Castro Dah, MD in 2018

The most common conditions of Medicare patients that Dr. Karen De Castro Dah, MD treated during 2018 were chronic kidney disease, high cholesterol, hypertension and diabetes.

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	60
Depression	27
Chronic Kidney Disease	75
Asthma	9
Osteoperosis	7
Atrial Fibrilation	25
Heart Failure	57
Chronic Obstructive Pulmonary Disease	31
Diabetes	61
Dementia	19
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Karen De Castro Dah, MD treated as a nephrologist in Greenbelt, MD during 2019 were hospital care, inpatient care, dialysis and lab tests.

Volume of procedures performed by Dr. Karen De Castro Dah, MD for Medicare patients.

dialysis	325
doctor visit	1030
hospital care	1614
inpatient care	1614
lab tests	22

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen De Castro Dah, MD.

**Gender**
Male	575
Female	592

**Ethnicity**
Non-Hispanic White	735
Black	400
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	420
From 75 to 84	408
85 and over	144
Less than 65	195

Conditions of Medicare patients treated by Dr. Karen De Castro Dah, MD in 2019

The most common conditions of Medicare patients that Dr. Karen De Castro Dah, MD treated during 2019 were chronic kidney disease, high cholesterol, hypertension and diabetes.

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	58
Depression	27
Chronic Kidney Disease	75
Asthma	9
Osteoperosis	8
Atrial Fibrilation	24
Heart Failure	53
Chronic Obstructive Pulmonary Disease	27
Diabetes	62
Dementia	19
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Karen De Castro Dah, MD treated as a nephrologist in Greenbelt, MD during 2020 were hospital care, inpatient care, chronic care and dialysis.

Volume of procedures performed by Dr. Karen De Castro Dah, MD for Medicare patients.

chronic care	295
dialysis	236
doctor visit	990
hemofiltration	29
hospital care	1410
inpatient care	1410

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen De Castro Dah, MD.

**Gender**
Male	568
Female	587

**Ethnicity**
Non-Hispanic White	734
Black	389
Hispanic	0
Asian	0
Other	18
Native American	0

**Age**
From 65 to 74	425
From 75 to 84	400
85 and over	170
Less than 65	160

Conditions of Medicare patients treated by Dr. Karen De Castro Dah, MD in 2020

The most common conditions of Medicare patients that Dr. Karen De Castro Dah, MD treated during 2020 were chronic kidney disease, high cholesterol, hypertension and diabetes.

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	60
Depression	25
Chronic Kidney Disease	75
Asthma	8
Osteoperosis	9
Atrial Fibrilation	23
Heart Failure	48
Chronic Obstructive Pulmonary Disease	27
Diabetes	62
Dementia	18
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Karen De Castro Dah, MD treated as a nephrologist in Greenbelt, MD during 2021 were hospital care, inpatient care, chronic care and dialysis.

Volume of procedures performed by Dr. Karen De Castro Dah, MD for Medicare patients.

chronic care	831
dialysis	128
doctor visit	1497
hemofiltration	33
hospital care	1978
inpatient care	1900
lab tests	29
nursing home care	35
outpatient care	78

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen De Castro Dah, MD.

**Gender**
Male	684
Female	746

**Ethnicity**
Non-Hispanic White	920
Black	471
Hispanic	0
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	514
From 75 to 84	507
85 and over	196
Less than 65	213

Conditions of Medicare patients treated by Dr. Karen De Castro Dah, MD in 2021

The most common conditions of Medicare patients that Dr. Karen De Castro Dah, MD treated during 2021 were chronic kidney disease, high cholesterol, hypertension and diabetes.

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	56
Depression	27
Chronic Kidney Disease	75
Asthma	9
Osteoperosis	8
Atrial Fibrilation	21
Heart Failure	43
Chronic Obstructive Pulmonary Disease	24
Diabetes	58
Dementia	18
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Karen De Castro Dah, MD treated as a nephrologist in Greenbelt, MD during 2022 were hospital care, inpatient care, dialysis and chronic care.

Volume of procedures performed by Dr. Karen De Castro Dah, MD for Medicare patients.

chronic care	15
dialysis	22
doctor visit	270
hospital care	846
inpatient care	846

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen De Castro Dah, MD.

**Gender**
Male	294
Female	300

**Ethnicity**
Non-Hispanic White	162
Black	375
Hispanic	33
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	215
From 75 to 84	173
85 and over	83
Less than 65	123

Conditions of Medicare patients treated by Dr. Karen De Castro Dah, MD in 2022

The most common conditions of Medicare patients that Dr. Karen De Castro Dah, MD treated during 2022 were chronic kidney disease, high cholesterol, hypertension and diabetes.

Hypertension	75
High Cholesterol	75
Stroke	23
Ischemic Heart Disease	51
Depression	26
Chronic Kidney Disease	75
Asthma	13
Osteoperosis	8
Atrial Fibrilation	33
Heart Failure	50
Chronic Obstructive Pulmonary Disease	25
Diabetes	71
Dementia	19
Cancer	18

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Karen De Castro Dah, MD treated as a nephrologist in Greenbelt, MD during 2023 were hospital care and inpatient care.

Volume of procedures performed by Dr. Karen De Castro Dah, MD for Medicare patients.

doctor visit	405
hospital care	987
inpatient care	987

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Karen De Castro Dah, MD.

**Gender**
Male	228
Female	282

**Ethnicity**
Non-Hispanic White	98
Black	351
Hispanic	27
Asian	17
Other	17
Native American	0

**Age**
From 65 to 74	183
From 75 to 84	172
85 and over	77
Less than 65	78

Conditions of Medicare patients treated by Dr. Karen De Castro Dah, MD in 2023

The most common conditions of Medicare patients that Dr. Karen De Castro Dah, MD treated during 2023 were chronic kidney disease, high cholesterol, hypertension and diabetes.

Hypertension	75
High Cholesterol	75
Stroke	21
Ischemic Heart Disease	48
Depression	24
Chronic Kidney Disease	75
Asthma	14
Osteoperosis	9
Atrial Fibrilation	36
Heart Failure	52
Chronic Obstructive Pulmonary Disease	26
Diabetes	70
Dementia	21
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2017 - 2023

Volume of procedures performed by Dr. Karen De Castro Dah, MD for Medicare patients.

The highest averages for the top procedures that Dr. Karen De Castro Dah, MD treated as a nephrologist in Greenbelt, MD were hospital care, inpatient care, chronic care and dialysis.

chronic care	380
dialysis	233
doctor visit	787
hemofiltration	39
hospital care	1426
inpatient care	1415
lab tests	22
nursing home care	35
outpatient care	78

Average Medicare Patient Data From 2017 - 2023

Information about Medicare patients treated by Dr. Karen De Castro Dah, MD.

**Gender**
Male	458
Female	483

**Ethnicity**
Black / African American	370
Asian / Pacific Islander	2
Non-Hispanic White	532
Native American / Alaskan Native	0
Hispanic	8
Other	15

**Age**
85 and over	127
75 to 84	316
Less than 65	160
65 to 74	338

Average of Total of Conditions of Medicare patients treated by Dr. Karen De Castro Dah, MD From 2017 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Karen De Castro Dah, MD treated were chronic kidney disease, high cholesterol, hypertension and diabetes.

Hypertension	75
High Cholesterol	74
Stroke	14
Ischemic Heart Disease	56
Depression	26
Chronic Kidney Disease	75
Asthma	10
Osteoporosis	7
Heart Failure	51
Chronic Obstructive Pulmonary Disease	27
Diabetes	63
Atrial Fibrillation	26
Dementia	19
Cancer	15

Education & Training

Dr. Karen De Castro Dah, MD graduated from Ross University School of Medicine in 2011. She completed residency at Rochester General Hospital. She is certified by the Internal Medicine, Internal Medicine, American Board and has a state license in Maryland.

Medical School: Ross University School of Medicine (2011)

Residency: Rochester General Hospital (2014)

Board Certification: Internal Medicine, Internal Medicine, American Board (2015)

Licensed In: Maryland

Affiliations & Hospitals

Dr. Karen De Castro Dah, MD is associated with these hospitals and organizations:

Holy Cross Health

Luminis Health

CAPITAL NEPHROLOGY, PC

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General Payments

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

**Payments by Company**
Mallinckrodt Hospital Products Inc.	$1,284 ACTHAR $1,284
AstraZeneca Pharmaceuticals LP	$834 LOKELMA $427	FARXIGA $407
Horizon Therapeutics plc	$572 KRYSTEXXA $572
AKEBIA THERAPEUTICS INC	$530 Auryxia $530
OPKO Pharmaceuticals, LLC	$511 Rayaldee $511
Other	$4,089 Kerendia $430	LUPKYNIS $408	Tavneos $382	Velphoro $371	ACTHAR $314	Other $2,185

**Types of Payments**
Food and Beverage	$7,409
Education	$412

Biography

Dr. Karen Dah specializes in adult nephrology and practices in Greenbelt, MD. She is affiliated with Holy Cross Health and Luminis Health. Her medical residency was performed at Rochester General Hospital.