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Dr. Ajay Dar, MD

Accepting New Patients

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Specializes in: Medical Oncology, Adult Oncology and Hematology (Blood Disorders)

Maulana Azad Medical College (1985)

Professional interests include: cancer

1860 Town Center Drive Suite 460
Reston, VA 20190

(703) 437-6535

Dr. Ajay Dar, MD is a medical oncologist in Leesburg, VA specializing in medical oncology, adult oncology and hematology (blood disorders). He graduated from Maulana Azad Medical College in 1985 and has 41 years of experience. Dr. Ajay Dar, MD is affiliated with Reston Hospital Center, HCA Virginia and VIRGINIA CANCER SPECIALISTS, P.C..

Office Locations

44035 Riverside Parkway Suite 300
Leesburg, VA 20176

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HCA Virginia

1860 Town Center Drive Suite 460
Reston, VA 20190

(703) 437-6535

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

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

Top 5%

By Volume:

total PSA test

By Affordability:

CA 19-9 test

serum protein electrophoresis

total protein blood test

total protein test

In 2023, among providers in related specialties within Virginia, Dr. Ajay Dar, MD performed more total PSA test procedures for Medicare patients than 95% of them and he also had a list price for CA 19-9 test, serum protein electrophoresis (SPEP), total protein blood test, and total protein test 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 10%

By Affordability:

carcinoembryonic antigen test

In 2023, Dr. Ajay Dar, MD had a list price for carcinoembryonic antigen (CEA) test, folic acid tests, serum folate test, urinalysis, and vitamin D test that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Virginia. 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:

antineoplastic hormone therapy

blood draw

inpatient hospital care

phlebotomy for lab tests

By Affordability:

blood draw

blood draw for lab tests

inpatient hospital care

iron tests

lactate dehydrogenase test

phlebotomy for lab tests

prostate-specific antigen test

quantitative Ig tests

thyroid blood test

thyroid function tests

In 2012, among providers in related specialties within Virginia, Dr. Ajay Dar, MD performed more antineoplastic hormone therapy, blood draw, inpatient hospital care (for patient admitted to hospital), and phlebotomy for lab tests procedures for Medicare patients than 75% of them and he also had a list price for blood draw, blood draw for lab tests, cancer antigen tests, complete blood count (CBC), hospital care, IgA test, IgD test, IgG test, IgM test, immunoglobulin tests, inpatient care, inpatient hospital care (for patient admitted to hospital), iron tests, lactate dehydrogenase (LDH) test, phlebotomy for lab tests, prostate-specific antigen (PSA) test, quantitative Ig tests, thyroid blood test, thyroid function tests, total IgA test, total IgG test, total PSA test, uric acid blood test, uric acid test, venipuncture (phlebotomy), and vitamin B12 test 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 Dar, MD treated as a medical oncologist in Leesburg, VA during 2012 were lab tests, blood draw, hospital care and inpatient care.

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

biological response modifier (BRM) therapy	302
blood draw	1310
chemotherapy	302
doctor visit	1459
hormone therapy	46
hospital care	410
inpatient care	410
lab tests	1707
minimally invasive procedures	334
preventive care	36
vaccines	36

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Ajay Dar, MD treated as a medical oncologist in Leesburg, VA during 2013 were lab tests, blood draw, inpatient care and hospital care.

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

aspiration	11
biological response modifier (BRM) therapy	170
blood draw	933
bone marrow tests	22
chemotherapy	170
diagnostic procedures	11
doctor visit	1202
hormone therapy	31
hospital care	337
inpatient care	337
lab tests	1267
minimally invasive procedures	219
preventive care	20
vaccines	20

2013 Medicare Patient Data

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

**Gender**
Male	192
Female	234

**Ethnicity**
Non-Hispanic White	353
Black	26
Hispanic	0
Asian	27
Other	0
Native American	0

**Age**
From 65 to 74	164
From 75 to 84	158
85 and over	66
Less than 65	38

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

Hypertension	68
High Cholesterol	53
Stroke	5
Ischemic Heart Disease	42
Depression	20
Chronic Kidney Disease	37
Asthma	7
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	23
Chronic Obstructive Pulmonary Disease	18
Diabetes	35
Dementia	13
Cancer	44

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Ajay Dar, MD treated as a medical oncologist in Leesburg, VA during 2014 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

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

biological response modifier (BRM) therapy	247
blood draw	1040
chemotherapy	247
doctor visit	1154
hormone therapy	40
hospital care	199
inpatient care	199
lab tests	1268
minimally invasive procedures	355
preventive care	16
vaccines	16

2014 Medicare Patient Data

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

**Gender**
Male	186
Female	251

**Ethnicity**
Non-Hispanic White	358
Black	29
Hispanic	0
Asian	31
Other	0
Native American	0

**Age**
From 65 to 74	186
From 75 to 84	155
85 and over	66
Less than 65	30

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

Hypertension	70
High Cholesterol	55
Stroke	6
Ischemic Heart Disease	34
Depression	17
Chronic Kidney Disease	33
Asthma	7
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	15
Chronic Obstructive Pulmonary Disease	15
Diabetes	31
Dementia	9
Cancer	45

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Ajay Dar, MD treated as a medical oncologist in Leesburg, VA during 2015 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

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

biological response modifier (BRM) therapy	346
blood draw	1372
chemotherapy	346
doctor visit	1532
hormone therapy	40
hospital care	338
inpatient care	338
lab tests	1669
minimally invasive procedures	408
port flush	21

2015 Medicare Patient Data

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

**Gender**
Male	460
Female	628

**Ethnicity**
Non-Hispanic White	894
Black	78
Hispanic	32
Asian	56
Other	28
Native American	0

**Age**
From 65 to 74	444
From 75 to 84	378
85 and over	176
Less than 65	90

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

Hypertension	70
High Cholesterol	50
Stroke	7
Ischemic Heart Disease	35
Depression	22
Chronic Kidney Disease	39
Asthma	13
Osteoperosis	7
Atrial Fibrilation	17
Heart Failure	21
Chronic Obstructive Pulmonary Disease	16
Diabetes	32
Dementia	10
Cancer	45

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Ajay Dar, MD treated as a medical oncologist in Leesburg, VA during 2016 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

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

biological response modifier (BRM) therapy	520
blood draw	1289
chemotherapy	520
doctor visit	1606
hormone therapy	49
hospital care	369
inpatient care	369
lab tests	1599
minimally invasive procedures	528
port flush	22

2016 Medicare Patient Data

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

**Gender**
Male	269
Female	385

**Ethnicity**
Non-Hispanic White	515
Black	53
Hispanic	22
Asian	43
Other	0
Native American	0

**Age**
From 65 to 74	270
From 75 to 84	244
85 and over	96
Less than 65	44

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

Hypertension	70
High Cholesterol	55
Stroke	6
Ischemic Heart Disease	36
Depression	21
Chronic Kidney Disease	41
Asthma	20
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	23
Chronic Obstructive Pulmonary Disease	16
Diabetes	31
Dementia	11
Cancer	43

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Ajay Dar, MD treated as a medical oncologist in Leesburg, VA during 2017 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

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

aspiration	13
biological response modifier (BRM) therapy	551
blood draw	1427
bone marrow tests	28
chemotherapy	551
diagnostic procedures	15
doctor visit	1856
hormone therapy	81
hospital care	298
inpatient care	298
lab tests	1810
minimally invasive procedures	628
port flush	27
preventive care	22
vaccines	22

2017 Medicare Patient Data

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

**Gender**
Male	269
Female	431

**Ethnicity**
Non-Hispanic White	550
Black	51
Hispanic	0
Asian	50
Other	26
Native American	0

**Age**
From 65 to 74	294
From 75 to 84	247
85 and over	110
Less than 65	49

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

Hypertension	71
High Cholesterol	51
Stroke	6
Ischemic Heart Disease	39
Depression	20
Chronic Kidney Disease	44
Asthma	10
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	22
Chronic Obstructive Pulmonary Disease	16
Diabetes	34
Dementia	10
Cancer	46

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Ajay Dar, MD treated as a medical oncologist in Leesburg, VA during 2018 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

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

biological response modifier (BRM) therapy	461
blood draw	1355
chemotherapy	461
doctor visit	1727
hormone therapy	73
hospital care	241
inpatient care	241
lab tests	1668
minimally invasive procedures	552
port flush	19
preventive care	15
vaccines	15

2018 Medicare Patient Data

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

**Gender**
Male	285
Female	383

**Ethnicity**
Non-Hispanic White	526
Black	40
Hispanic	24
Asian	49
Other	29
Native American	0

**Age**
From 65 to 74	281
From 75 to 84	240
85 and over	115
Less than 65	32

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

Hypertension	68
High Cholesterol	57
Stroke	7
Ischemic Heart Disease	38
Depression	23
Chronic Kidney Disease	41
Asthma	10
Osteoperosis	7
Atrial Fibrilation	16
Heart Failure	20
Chronic Obstructive Pulmonary Disease	14
Diabetes	30
Dementia	11
Cancer	44

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Ajay Dar, MD treated as a medical oncologist in Leesburg, VA during 2019 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

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

biological response modifier (BRM) therapy	296
blood draw	1028
chemotherapy	296
doctor visit	1216
hormone therapy	37
hospital care	269
inpatient care	269
lab tests	1152
minimally invasive procedures	366
port flush	25
preventive care	29
vaccines	29

2019 Medicare Patient Data

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

**Gender**
Male	253
Female	339

**Ethnicity**
Non-Hispanic White	469
Black	36
Hispanic	23
Asian	41
Other	0
Native American	0

**Age**
From 65 to 74	239
From 75 to 84	223
85 and over	103
Less than 65	27

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

Hypertension	68
High Cholesterol	58
Stroke	7
Ischemic Heart Disease	41
Depression	22
Chronic Kidney Disease	42
Asthma	8
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	22
Chronic Obstructive Pulmonary Disease	15
Diabetes	28
Dementia	12
Cancer	45

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Ajay Dar, MD treated as a medical oncologist in Leesburg, VA during 2020 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

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

biological response modifier (BRM) therapy	411
blood draw	1173
chemotherapy	411
doctor visit	1311
hormone therapy	55
hospital care	240
inpatient care	240
lab tests	1330
minimally invasive procedures	535

2020 Medicare Patient Data

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

**Gender**
Male	271
Female	384

**Ethnicity**
Non-Hispanic White	500
Black	44
Hispanic	32
Asian	44
Other	35
Native American	0

**Age**
From 65 to 74	288
From 75 to 84	240
85 and over	96
Less than 65	31

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

Hypertension	66
High Cholesterol	56
Stroke	5
Ischemic Heart Disease	36
Depression	18
Chronic Kidney Disease	41
Asthma	7
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	20
Chronic Obstructive Pulmonary Disease	13
Diabetes	28
Dementia	11
Cancer	48

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Ajay Dar, MD treated as a medical oncologist in Leesburg, VA during 2021 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

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

biological response modifier (BRM) therapy	325
blood draw	1069
chemotherapy	325
doctor visit	1570
hormone therapy	82
hospital care	277
inpatient care	277
lab tests	1143
minimally invasive procedures	435
port flush	21

2021 Medicare Patient Data

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

**Gender**
Male	319
Female	458

**Ethnicity**
Non-Hispanic White	588
Black	49
Hispanic	37
Asian	58
Other	45
Native American	0

**Age**
From 65 to 74	322
From 75 to 84	287
85 and over	130
Less than 65	38

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

Hypertension	70
High Cholesterol	63
Stroke	8
Ischemic Heart Disease	38
Depression	21
Chronic Kidney Disease	41
Asthma	10
Osteoperosis	13
Atrial Fibrilation	17
Heart Failure	22
Chronic Obstructive Pulmonary Disease	13
Diabetes	27
Dementia	13
Cancer	50

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Ajay Dar, MD treated as a medical oncologist in Leesburg, VA during 2022 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

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

biological response modifier (BRM) therapy	279
blood draw	1739
chemotherapy	279
doctor visit	1394
hormone therapy	89
hospital care	194
inpatient care	194
lab tests	4933
minimally invasive procedures	385
port flush	26
thyroid function tests	121

2022 Medicare Patient Data

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

**Gender**
Male	292
Female	410

**Ethnicity**
Non-Hispanic White	537
Black	38
Hispanic	39
Asian	44
Other	44
Native American	0

**Age**
From 65 to 74	264
From 75 to 84	276
85 and over	135
Less than 65	27

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

Hypertension	73
High Cholesterol	72
Stroke	11
Ischemic Heart Disease	27
Depression	18
Chronic Kidney Disease	26
Asthma	13
Osteoperosis	19
Atrial Fibrilation	25
Heart Failure	17
Chronic Obstructive Pulmonary Disease	16
Diabetes	24
Dementia	10
Cancer	54

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

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

The highest averages for the top procedures that Dr. Ajay Dar, MD treated as a medical oncologist in Leesburg, VA were lab tests, blood draw, minimally invasive procedures and chemotherapy.

aspiration	12
biological response modifier (BRM) therapy	355
blood draw	1248
bone marrow tests	25
chemotherapy	355
diagnostic procedures	13
doctor visit	1457
hormone therapy	56
hospital care	288
inpatient care	288
lab tests	1776
minimally invasive procedures	431
preventive care	23
thyroid function tests	121
vaccines	23

Average Medicare Patient Data From 2012 - 2022

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

**Gender**
Male	254
Female	354

**Ethnicity**
Black / African American	40
Asian / Pacific Islander	40
Non-Hispanic White	480
Native American / Alaskan Native	0
Hispanic	19
Other	18

**Age**
75 to 84	222
85 and over	99
Less than 65	36
65 to 74	250

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

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

Hypertension	63
High Cholesterol	51
Stroke	6
Ischemic Heart Disease	33
Depression	18
Chronic Kidney Disease	35
Asthma	9
Osteoporosis	9
Heart Failure	18
Chronic Obstructive Pulmonary Disease	13
Diabetes	27
Atrial Fibrillation	14
Dementia	10
Cancer	42

Education & Training

Dr. Ajay Dar, MD graduated from Maulana Azad Medical College in 1985. He completed residency at Georgetown University Hospital. He is certified by the American Board of Internal Medicine and has a state license in Virginia.

Medical School: Maulana Azad Medical College (1985)

Residency: Georgetown University Hospital (1995)

Board Certification: American Board of Internal Medicine (1995)

Licensed In: Virginia

Affiliations & Hospitals

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

Reston Hospital Center

HCA Virginia

VIRGINIA CANCER SPECIALISTS, P.C.

Ratings & Reviews

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General Payments

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

**Payments by Company**
Janssen Biotech, Inc.	$450 IMBRUVICA $256	DARZALEX $118	TECVAYLI $36	Erleada $31	Balversa $10
Amgen Inc.	$416 XGEVA $122	Vectibix $51	LUMAKRAS $46	Nplate $15	$183
E.R. Squibb & Sons, L.L.C.	$340 OPDIVO $212	EMPLICITI $63	SPRYCEL $22	ELIQUIS $12	ERBITUX $12	Other $19
Novartis Pharmaceuticals Corporation	$320 Lutathera $68	AFINITOR $36	TAFINLAR $23	VOTRIENT $23	ZYKADIA $21	Other $150
AstraZeneca Pharmaceuticals LP	$225 CALQUENCE $55	FASLODEX $46	IMFINZI $33	TAGRISSO $28	IRESSA $18	Other $46
Other	$1,959 JEVTANA $147	Olympus Biliary Devices $113	ZALTRAP $81	KEYTRUDA $74	Lenvima $73	Other $1,472

**Types of Payments**
Food and Beverage	$3,113
Education	$598

Research Payments

Dr. Ajay Dar, MD has received 200 research payments totaling $652,199.

Biography

Dr. Ajay Dar is a medical specialist in adult oncology, medical oncology, and hematology (blood disorders). After attending Maulana Azad Medical College for medical school, Dr. Dar completed his residency training at D.C. General Hospital and Georgetown University Hospital. His areas of expertise include cancer. Dr. Dar (or staff) is conversant in Urdu and Hindi. He is affiliated with Reston Hospital Center. Dr. Dar welcomes new patients at his office inLeesburg, VA as reported by Doctor.com.

Select Year:

Dr. Ajay Dar, MD

Office Locations

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

By Volume:

By Affordability:

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 Dar, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

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

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

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

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

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

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

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

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

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

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

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

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

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

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

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

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

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

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Research Payments

Biography

Other Providers in Leesburg, VA