NPPES file of Aug 9, 2026

David Leng, MD

Family Medicine Physician · Ashburn, VA

David Leng, MD is a family medicine physician with a practice address in Ashburn, Virginia, and NPI 1003074428, issued on Jun 2, 2008. Check the license (Virginia 0101252174, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003074428
Name
David Leng
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
0101252174 VA
Self-reported in NPPES; status is on the state search
Practice location
43480 Yukon Dr, Ashburn, VA 20147
Phone
(571) 252-6000
Enumerated
Jun 2, 2008
Record last updated
Jun 7, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20201016002229); accepts Medicare assignment
Medical or professional school
University Of California, Davis School Of Medicine, 2008
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 43480 Yukon Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kelly Andrews, LPCMental Health Counselor1518479914
  2. Naett Asgill, MDObstetrics & Gynecology Physician1164679866
  3. Amardeep Athwal, MDFamily Medicine Physician1538357934
  4. Trudy Gambrel, RPHPharmacist1891036331
  5. Richard Kao, O.D.Optometrist1205985637
  6. Minh NgoPharmacist1023359965

Verify David Leng in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVirginia Department of Health Professions
    Search for license 0101252174
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Virginia license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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11% fewer Medicare Part D claims than the average family medicine physician in 2024

3,170 Medicare Part D claims for 281 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 73 claims were for opioids.

  1. David Leng3,170
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium436 claims
  2. Amlodipine Besylate151 claims
  3. Lisinopril147 claims
  4. Tamsulosin Hcl130 claims
  5. Losartan Potassium119 claims
  6. Levothyroxine Sodium90 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.

Bills Medicare through one group practice

  1. Kaiser Foundation Health Plan OF The Mid Atlantic States, IncLargo, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

David Leng among 4,137 family medicine physician records in Virginia

David Leng, MD is one of 4,137 family medicine physician records with a practice address in Virginia. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 59% of them.

  • NPI issued2008 · 59% of these records are older, 37% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2008 · median 2004 among the 2,426 with a school on file
  • Record last updated2021 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

32 family medicine physician records list a practice address in Ashburn

They are 32 of the 1,192 NPPES records with a practice address in Ashburn, and 4,137 family medicine physician records in Virginia.

The 8 family medicine physician records with the nearest ZIP codes

  1. Shilpa Amin, M.D,MBSC,FAAFPAshburn, VA 201471790888162
  2. Jeffrey Cohn, MDAshburn, VA 201471558354183
  3. Neeta Goel, M.D.Ashburn, VA 201471609891316
  4. Jeffry Hatcher, DOAshburn, VA 201471821023920
  5. Jennifer Kugler, D.O.Ashburn, VA 201471154356129
  6. Lora Mackie, MDAshburn, VA 201471417029992
  7. Neelima Marpu, M.D.Ashburn, VA 201471326116625
  8. Carol Mattes, MDAshburn, VA 201471225140205

Common questions

What is David Leng, MD's NPI number?

David Leng, MD's National Provider Identifier (NPI) is 1003074428, issued on Jun 2, 2008. An NPI identifies a provider in billing; it is not a license.

Where is David Leng, MD located?

The NPPES record lists a practice address at 43480 Yukon Dr, Ashburn, VA, 20147. Phone: (571) 252-6000. Providers update this record themselves, so call before visiting.

How can I verify David Leng, MD's license?

NPPES lists Virginia license number 0101252174, 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 David Leng, MD prescribe under Medicare Part D?

In 2024, David Leng, MD had 3,170 Medicare Part D claims for 281 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

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.