Ajay Dar, M.D.
Medical Oncology Physician · Leesburg, VA
Ajay Dar, M.D. is a medical oncology physician with a practice address in Leesburg, Virginia, and NPI 1215905286, issued on Mar 8, 2006. Check the license (Virginia 0101231668, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Ajay Dar
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- 0101231668 VA
Self-reported in NPPES; status is on the state search - Practice location
- 44035 Riverside Pkwy Ste 300, Leesburg, VA 20176
- Phone
- (703) 208-3155
- Enumerated
- Mar 8, 2006
- Record last updated
- Nov 12, 2025
- Fax
- (703) 724-7503
- Medicaid ID
- 1215905286 VA
- Medicare enrollment
- Enrolled (PECOS I20100308000040); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 107 in Virginia → Look up another NPI →
Also registered at 44035 Riverside Pkwy Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kevin DiastiHematology & Oncology Physician1376049304
- Amanda Goddard, BSN RN MSN FNP-BCFamily Nurse Practitioner1245878107
- Doreen Grzelak, NP-CAdult Health Nurse Practitioner1316241854
- Julie Littlejohn, NPAdult Health Nurse Practitioner1457960528
- Amitabha Sarma, M.D.Hematology & Oncology Physician1811965874
- Alice Spiros, NURSE PRACTITIONERFamily Nurse Practitioner1033292412
Verify Ajay Dar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101231668Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% more Medicare Part D claims than the average medical oncology physician in 2024
846 Medicare Part D claims for 167 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims. 12 claims were for opioids.
Most prescribed
- Anastrozole63 claims
- Eliquis55 claims
- Letrozole54 claims
- Dexamethasone52 claims
- Hydroxyurea52 claims
- Prednisone51 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 92 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,481.99
62 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Virginia Cancer Specialists, P.C.Reston, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ajay Dar among 107 medical oncology physician records in Virginia
Ajay Dar, M.D. is one of 107 medical oncology physician records with a practice address in Virginia. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 57% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1984 · median 2004 among the 79 with a school on file
- Record last updated2025 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Virginia
There are 107 medical oncology physician records in Virginia.
All 107 in Virginia → Every provider in Leesburg → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- David Lee, M.D.Leesburg, VA 201761437178746
- Pranitha Naini, MDLansdowne, VA 201761003959974
- Rangappa Rajendra, M.D.Lansdowne, VA 201761205843810
- Elisabeth Simms, M.D.Leesburg, VA 201761922076991
- Jeffrey White, M.D.Lansdowne, VA 201761477561074
- Venkateswar Veerapalli, MDAshburn, VA 201471164643300
- Roy Beveridge, M.D.Fairfax, VA 220311528035532
- John Deeken, MDFairfax, VA 220311659390755
Common questions
What is Ajay Dar, M.D.'s NPI number?
Ajay Dar, M.D.'s National Provider Identifier (NPI) is 1215905286, issued on Mar 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ajay Dar, M.D. located?
The NPPES record lists a practice address at 44035 Riverside Pkwy Ste 300, Leesburg, VA, 20176. Phone: (703) 208-3155. Providers update this record themselves, so call before visiting.
How can I verify Ajay Dar, M.D.'s license?
NPPES lists Virginia license number 0101231668, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ajay Dar, M.D. prescribe under Medicare Part D?
In 2024, Ajay Dar, M.D. had 846 Medicare Part D claims for 167 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is Ajay Dar, M.D.'s MIPS final score?
The 2023 MIPS final score is 92 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.