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Dr. Ajay Kumar, MD

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Specializes in: Adult Nephrology

Rajiv Gandhi University of Health Sciences, Karnataka (2001)

5999 Harpers Farm Road Suite W250
Columbia, MD 21044

(410) 772-8822

Dr. Ajay Kumar, MD is a nephrologist in Lutherville Timonium, MD specializing in adult nephrology. He graduated from Rajiv Gandhi University of Health Sciences, Karnataka in 2001 and has 25 years of experience. Dr. Ajay Kumar, MD is affiliated with University of Maryland Medical System and MID-ATLANTIC NEPHROLOGY ASSOCIATES PA.

Office Locations

University of Maryland Medical System

1205 York Road Suite 26
Lutherville Timonium, MD 21093

(410) 532-1640

(410) 321-5787

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University of Maryland Medical System

25 Crossroads Drive
Owings Mills, MD 21117

(410) 602-7792

(410) 602-9889

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5999 Harpers Farm Road Suite W250
Columbia, MD 21044

(410) 772-8822

(410) 772-9274

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Noteworthy Medicare Patient Procedures Performed by Dr. Ajay Kumar, MD in 2023

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

Top 5%

By Affordability:

creatinine test

creatinine urine test

kidney function tests

urinalysis

In 2023, Dr. Ajay Kumar, MD had a list price for creatinine test, creatinine urine test, kidney function tests, and urinalysis that was lower than the list prices billed to Medicare by 95% 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.

Top 25%

By Volume:

dialysis

By Affordability:

lab tests

tunneled central line placement

urine tests

In 2012, among providers in related specialties within Maryland, Dr. Ajay Kumar, MD performed more dialysis procedures for Medicare patients than 75% of them and he also had a list price for lab tests, tunneled central line placement, and urine tests 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. Ajay Kumar, MD treated as a nephrologist in Lutherville Timonium, MD during 2012 were vascular procedures, dialysis access procedures, angioplasty and X-rays.

Volume of procedures performed by Dr. Ajay Kumar, MD for Medicare patients.

angioplasty	514
catheterization	115
device removal	45
dialysis	120
dialysis access procedures	581
doctor visit	291
hospital care	330
inpatient care	330
lab tests	33
minimally invasive procedures	105
thrombectomy (blood clot removal)	105
ultrasound (sonogram)	18
vascular procedures	773
X-rays	458

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Ajay Kumar, MD treated as a nephrologist in Lutherville Timonium, MD during 2013 were vascular procedures, dialysis access procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Ajay Kumar, MD for Medicare patients.

angioplasty	469
catheterization	119
device removal	42
dialysis	215
dialysis access procedures	527
doctor visit	313
hospital care	508
inpatient care	508
lab tests	99
minimally invasive procedures	167
thrombectomy (blood clot removal)	90
vascular procedures	684
X-rays	437

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Ajay Kumar, MD.

**Gender**
Male	538
Female	500

**Ethnicity**
Non-Hispanic White	357
Black	655
Hispanic	0
Asian	12
Other	0
Native American	0

**Age**
From 65 to 74	325
From 75 to 84	252
85 and over	122
Less than 65	339

Conditions of Medicare patients treated by Dr. Ajay Kumar, MD in 2013

Hypertension	75
High Cholesterol	66
Stroke	14
Ischemic Heart Disease	66
Depression	29
Chronic Kidney Disease	75
Asthma	11
Osteoperosis	7
Atrial Fibrilation	21
Heart Failure	62
Chronic Obstructive Pulmonary Disease	27
Diabetes	70
Dementia	22
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Ajay Kumar, MD treated as a nephrologist in Lutherville Timonium, MD during 2014 were vascular procedures, dialysis access procedures, X-rays and angioplasty.

Volume of procedures performed by Dr. Ajay Kumar, MD for Medicare patients.

angioplasty	453
catheterization	120
device removal	35
dialysis	192
dialysis access procedures	554
doctor visit	212
hospital care	453
inpatient care	453
lab tests	69
minimally invasive procedures	135
thrombectomy (blood clot removal)	95
vascular procedures	701
X-rays	459

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Ajay Kumar, MD.

**Gender**
Male	541
Female	443

**Ethnicity**
Non-Hispanic White	351
Black	600
Hispanic	0
Asian	14
Other	0
Native American	0

**Age**
From 65 to 74	301
From 75 to 84	260
85 and over	112
Less than 65	311

Conditions of Medicare patients treated by Dr. Ajay Kumar, MD in 2014

Hypertension	75
High Cholesterol	69
Stroke	12
Ischemic Heart Disease	66
Depression	28
Chronic Kidney Disease	75
Asthma	12
Osteoperosis	7
Atrial Fibrilation	24
Heart Failure	63
Chronic Obstructive Pulmonary Disease	25
Diabetes	68
Dementia	20
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Ajay Kumar, MD treated as a nephrologist in Lutherville Timonium, MD during 2015 were vascular procedures, dialysis access procedures, X-rays and hospital care.

Volume of procedures performed by Dr. Ajay Kumar, MD for Medicare patients.

angioplasty	395
catheterization	101
device removal	51
dialysis	232
dialysis access procedures	527
doctor visit	187
hospital care	421
inpatient care	421
lab tests	166
minimally invasive procedures	167
thrombectomy (blood clot removal)	99
vascular procedures	679
X-rays	428

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Ajay Kumar, MD.

**Gender**
Male	958
Female	926

**Ethnicity**
Non-Hispanic White	610
Black	1156
Hispanic	0
Asian	60
Other	0
Native American	0

**Age**
From 65 to 74	578
From 75 to 84	462
85 and over	210
Less than 65	634

Conditions of Medicare patients treated by Dr. Ajay Kumar, MD in 2015

Hypertension	75
High Cholesterol	69
Stroke	15
Ischemic Heart Disease	65
Depression	31
Chronic Kidney Disease	75
Asthma	18
Osteoperosis	4
Atrial Fibrilation	20
Heart Failure	63
Chronic Obstructive Pulmonary Disease	27
Diabetes	70
Dementia	23
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Ajay Kumar, MD treated as a nephrologist in Lutherville Timonium, MD during 2016 were vascular procedures, dialysis access procedures, X-rays and angioplasty.

Volume of procedures performed by Dr. Ajay Kumar, MD for Medicare patients.

angioplasty	370
catheterization	124
device removal	42
dialysis	225
dialysis access procedures	484
doctor visit	200
hemofiltration	19
hospital care	354
inpatient care	354
lab tests	241
minimally invasive procedures	161
stent placement (stenting)	14
thrombectomy (blood clot removal)	84
vascular procedures	650
X-rays	400

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Ajay Kumar, MD.

**Gender**
Male	453
Female	440

**Ethnicity**
Non-Hispanic White	255
Black	575
Hispanic	13
Asian	35
Other	15
Native American	0

**Age**
From 65 to 74	272
From 75 to 84	238
85 and over	87
Less than 65	296

Conditions of Medicare patients treated by Dr. Ajay Kumar, MD in 2016

Hypertension	75
High Cholesterol	71
Stroke	14
Ischemic Heart Disease	64
Depression	36
Chronic Kidney Disease	75
Asthma	28
Osteoperosis	5
Atrial Fibrilation	19
Heart Failure	63
Chronic Obstructive Pulmonary Disease	26
Diabetes	73
Dementia	32
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Ajay Kumar, MD treated as a nephrologist in Lutherville Timonium, MD during 2017 were hospital care, inpatient care, lab tests and dialysis.

Volume of procedures performed by Dr. Ajay Kumar, MD for Medicare patients.

catheterization	79
device removal	49
dialysis	133
doctor visit	211
hemofiltration	24
hospital care	456
inpatient care	456
lab tests	225
minimally invasive procedures	16

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Ajay Kumar, MD.

**Gender**
Male	447
Female	388

**Ethnicity**
Non-Hispanic White	278
Black	502
Hispanic	0
Asian	33
Other	11
Native American	0

**Age**
From 65 to 74	247
From 75 to 84	234
85 and over	87
Less than 65	267

Conditions of Medicare patients treated by Dr. Ajay Kumar, MD in 2017

Hypertension	75
High Cholesterol	73
Stroke	16
Ischemic Heart Disease	66
Depression	36
Chronic Kidney Disease	75
Asthma	13
Osteoperosis	7
Atrial Fibrilation	19
Heart Failure	62
Chronic Obstructive Pulmonary Disease	23
Diabetes	69
Dementia	29
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Ajay Kumar, MD treated as a nephrologist in Lutherville Timonium, MD during 2018 were hospital care, inpatient care, lab tests and dialysis.

Volume of procedures performed by Dr. Ajay Kumar, MD for Medicare patients.

catheterization	90
device removal	53
dialysis	128
doctor visit	192
hospital care	416
inpatient care	416
lab tests	245

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Ajay Kumar, MD.

**Gender**
Male	390
Female	390

**Ethnicity**
Non-Hispanic White	254
Black	469
Hispanic	0
Asian	36
Other	0
Native American	0

**Age**
From 65 to 74	235
From 75 to 84	217
85 and over	83
Less than 65	245

Conditions of Medicare patients treated by Dr. Ajay Kumar, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	67
Depression	36
Chronic Kidney Disease	75
Asthma	12
Osteoperosis	6
Atrial Fibrilation	21
Heart Failure	64
Chronic Obstructive Pulmonary Disease	27
Diabetes	72
Dementia	28
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Ajay Kumar, MD treated as a nephrologist in Lutherville Timonium, MD during 2019 were lab tests, hospital care, inpatient care and catheterization.

Volume of procedures performed by Dr. Ajay Kumar, MD for Medicare patients.

catheterization	88
device removal	50
dialysis	69
doctor visit	272
hospital care	266
inpatient care	266
lab tests	375

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Ajay Kumar, MD.

**Gender**
Male	396
Female	355

**Ethnicity**
Non-Hispanic White	283
Black	407
Hispanic	11
Asian	36
Other	14
Native American	0

**Age**
From 65 to 74	256
From 75 to 84	197
85 and over	80
Less than 65	218

Conditions of Medicare patients treated by Dr. Ajay Kumar, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	66
Depression	36
Chronic Kidney Disease	75
Asthma	10
Osteoperosis	8
Atrial Fibrilation	19
Heart Failure	61
Chronic Obstructive Pulmonary Disease	24
Diabetes	69
Dementia	25
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Ajay Kumar, MD treated as a nephrologist in Lutherville Timonium, MD during 2020 were hospital care, inpatient care, catheterization and lab tests.

Volume of procedures performed by Dr. Ajay Kumar, MD for Medicare patients.

catheterization	77
device removal	54
dialysis	38
doctor visit	161
hospital care	230
inpatient care	230
lab tests	66

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Ajay Kumar, MD.

**Gender**
Male	335
Female	266

**Ethnicity**
Non-Hispanic White	200
Black	341
Hispanic	14
Asian	31
Other	0
Native American	0

**Age**
From 65 to 74	196
From 75 to 84	173
85 and over	59
Less than 65	173

Conditions of Medicare patients treated by Dr. Ajay Kumar, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	64
Depression	30
Chronic Kidney Disease	75
Asthma	7
Osteoperosis	5
Atrial Fibrilation	17
Heart Failure	59
Chronic Obstructive Pulmonary Disease	21
Diabetes	69
Dementia	26
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Ajay Kumar, MD treated as a nephrologist in Lutherville Timonium, MD during 2021 were hospital care, inpatient care, dialysis and lab tests.

Volume of procedures performed by Dr. Ajay Kumar, MD for Medicare patients.

catheterization	38
device removal	40
dialysis	90
doctor visit	243
hemofiltration	33
hospital care	357
inpatient care	357
lab tests	88

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Ajay Kumar, MD.

**Gender**
Male	341
Female	341

**Ethnicity**
Non-Hispanic White	245
Black	362
Hispanic	11
Asian	44
Other	20
Native American	0

**Age**
From 65 to 74	238
From 75 to 84	198
85 and over	85
Less than 65	161

Conditions of Medicare patients treated by Dr. Ajay Kumar, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	62
Depression	32
Chronic Kidney Disease	75
Asthma	9
Osteoperosis	7
Atrial Fibrilation	19
Heart Failure	57
Chronic Obstructive Pulmonary Disease	22
Diabetes	69
Dementia	27
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Ajay Kumar, MD treated as a nephrologist in Lutherville Timonium, MD during 2022 were hospital care, inpatient care, dialysis and catheterization.

Volume of procedures performed by Dr. Ajay Kumar, MD for Medicare patients.

catheterization	81
device removal	44
dialysis	154
doctor visit	154
hospital care	423
inpatient care	423

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Ajay Kumar, MD.

**Gender**
Male	328
Female	303

**Ethnicity**
Non-Hispanic White	228
Black	334
Hispanic	19
Asian	28
Other	22
Native American	0

**Age**
From 65 to 74	202
From 75 to 84	201
85 and over	78
Less than 65	150

Conditions of Medicare patients treated by Dr. Ajay Kumar, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	20
Ischemic Heart Disease	54
Depression	35
Chronic Kidney Disease	75
Asthma	15
Osteoperosis	11
Atrial Fibrilation	35
Heart Failure	59
Chronic Obstructive Pulmonary Disease	29
Diabetes	72
Dementia	23
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Ajay Kumar, MD for Medicare patients.

The highest averages for the top procedures that Dr. Ajay Kumar, MD treated as a nephrologist in Lutherville Timonium, MD were vascular procedures, dialysis access procedures, angioplasty and X-rays.

angioplasty	440
catheterization	93
device removal	45
dialysis	145
dialysis access procedures	534
doctor visit	221
hemofiltration	25
hospital care	383
inpatient care	383
lab tests	160
minimally invasive procedures	125
stent placement (stenting)	14
thrombectomy (blood clot removal)	94
ultrasound (sonogram)	18
vascular procedures	697
X-rays	436

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Ajay Kumar, MD.

**Gender**
Male	429
Female	395

**Ethnicity**
Black / African American	491
Asian / Pacific Islander	29
Non-Hispanic White	278
Hispanic	6
Native American / Alaskan Native	0
Other	7

**Age**
75 to 84	221
85 and over	91
Less than 65	254
65 to 74	259

Average of Total of Conditions of Medicare patients treated by Dr. Ajay Kumar, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	65
Stroke	12
Ischemic Heart Disease	58
Depression	29
Chronic Kidney Disease	68
Asthma	12
Osteoporosis	6
Heart Failure	55
Chronic Obstructive Pulmonary Disease	22
Diabetes	63
Atrial Fibrillation	19
Cancer	12
Dementia	23

Education & Training

Dr. Ajay Kumar, MD graduated from Rajiv Gandhi University of Health Sciences, Karnataka in 2001. He completed residency at Winthrop University Hospital. He is certified by the American Board of Internal Medicine - Nephrology, American Board of Internal Medicine - Internal Medicine and has a state license in Maryland.

Medical School: Rajiv Gandhi University of Health Sciences, Karnataka (2001)

Residency: Winthrop University Hospital (2005)

Board Certification: American Board of Internal Medicine - Nephrology, American Board of Internal Medicine - Internal Medicine (2005)

Licensed In: Maryland

Affiliations & Hospitals

Dr. Ajay Kumar, MD is associated with these hospitals and organizations:

University of Maryland Medical System

MID-ATLANTIC NEPHROLOGY ASSOCIATES PA

Ratings & Reviews

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General Payments

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

**Payments by Company**
Mallinckrodt LLC	$100 ACTHAR $100
Baxter Healthcare	$91 Renal - Non Product Related $91
Hospira Worldwide, Inc.	$76 $76
Alexion Pharmaceuticals, Inc.	$75 SOLIRIS $75
KCI USA, Inc	$74 VAC THERAPY $34	ACTIVAC $21	VAC VERAFLO $19
Other	$287 Sensipar $50	Nephrocheck $41	AlloDerm $39	Allowrap $31	NATRELLE $24	Other $101

**Types of Payments**
Food and Beverage	$658
Education	$45

Biography

Dr. Ajay Kumar works as an adult nephrology. He obtained his medical school training at Rajiv Gandhi University of Health Sciences, Karnataka and M.S. Ramaiah Medical College and performed his residency at Winthrop University Hospital. In addition to English, Dr. Kumar (or staff) speaks Spanish and Hindi. He is professionally affiliated with the University of Maryland Medical System.

Select Year:

Dr. Ajay Kumar, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Ajay Kumar, MD in 2023

By Affordability:

By Volume:

By Affordability:

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. Ajay Kumar, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ajay Kumar, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ajay Kumar, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ajay Kumar, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ajay Kumar, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ajay Kumar, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ajay Kumar, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ajay Kumar, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ajay Kumar, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Ajay Kumar, MD 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. Ajay Kumar, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Other Providers in Lutherville Timonium, MD