David Owen Walls, M.D.
Transplant Surgery Physician · Washington, DC
David Owen Walls, M.D. is a transplant surgery physician with a practice address in Washington, District of Columbia, and NPI 1821478645, issued on Jun 6, 2015. Check the license (District of Columbia MD210002445, as entered in NPPES) with the District of Columbia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Owen Walls
- Credential
- M.D.
- Primary taxonomy
- Transplant Surgery Physician 204F00000X
- License number
- MD210002445 DC
Self-reported in NPPES; status is on the state search - Practice location
- 3800 Reservoir RD NW, Washington, DC 20007
- Phone
- (202) 444-2000
- Enumerated
- Jun 6, 2015
- Record last updated
- Jun 10, 2024
- Medicare enrollment
- Enrolled (PECOS I20241029000007); accepts Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest transplant surgery physician records → All 19 in District of Columbia → Look up another NPI →
Also registered at 3800 Reservoir RD NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Miriam Abadie, M.D.Student in an Organized Health Care Education/Training Program1194168120
- Kathleen AbalosInternal Medicine Physician1831451764
- Fuad AbbasStudent in an Organized Health Care Education/Training Program1467256834
- Valiollah AbbassiPediatric Endocrinology Physician1073511275
- Ahmed AbdelfatahStudent in an Organized Health Care Education/Training Program1326918269
- Zeinab Abdi, M.D.Pediatrics Physician1861781437
Verify David Owen Walls in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich District of Columbia board licenses this profession
Search for license MD210002445Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Medstar Medical Group II LLCWashington, DC
- Mgmc LLCWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Owen Walls among 19 transplant surgery physician records in District of Columbia
David Owen Walls, M.D. is one of 19 transplant surgery physician records with a practice address in District of Columbia. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 89% of them.
- NPI issued2015 · 89% of these records are older, 5% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2019 · median 1996 among the 12 with a school on file
- Record last updated2024 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 204F00000X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Transplant Surgery Physician providers in District of Columbia
There are 19 transplant surgery physician records in District of Columbia.
All 19 in District of Columbia → Every provider in Washington → Transplant Surgery Physician nationwide →
The 8 transplant surgery physician records with the nearest ZIP codes
- Joseph Africa, M.D,Washington, DC 200071902050180
- Michelle BuffWashington, DC 200071346694833
- Chirag Desai, MDWashington, DC 200071992930192
- Thomas Fishbein, MDWashington, DC 200071225036072
- Raffaele Girlanda, MDWashington, DC 200071497993018
- Alexander Kroemer, M.D.Washington, DC 200071700220340
- Cal Matsumoto, MDWashington, DC 200071457349987
- Steven Potter, M.D.Washington, DC 200071376595298
Common questions
What is David Owen Walls, M.D.'s NPI number?
David Owen Walls, M.D.'s National Provider Identifier (NPI) is 1821478645, issued on Jun 6, 2015. An NPI identifies a provider in billing; it is not a license.
Where is David Owen Walls, M.D. located?
The NPPES record lists a practice address at 3800 Reservoir RD NW, Washington, DC, 20007. Phone: (202) 444-2000. Providers update this record themselves, so call before visiting.
How can I verify David Owen Walls, M.D.'s license?
NPPES lists District of Columbia license number MD210002445, as entered by the provider. Search the District of Columbia board that licenses this profession; the NPPES record confirms identity 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.