Alan Edward Greenberg, MD
Internal Medicine Physician · Washington, DC
Alan Edward Greenberg, MD is an internal medicine physician with a practice address in Washington, District of Columbia, and NPI 1184735649, issued on Aug 31, 2006. Check the license on the District of Columbia Board of Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Alan Edward Greenberg
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 157233 NY
Self-reported in NPPES; status is on the state search - Practice location
- VA Medical Ctr, Washington, DC 20422
- Phone
- (202) 745-8000
- Enumerated
- Aug 31, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 901 in District of Columbia → Look up another NPI →
Also registered at VA Medical Ctr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alan Edward Greenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Alan Edward Greenberg among 901 internal medicine physician records in District of Columbia
Alan Edward Greenberg, MD is one of 901 internal medicine physician records with a practice address in District of Columbia. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 67% newer
- In a Medicare fileNo · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2007 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X 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).
891 internal medicine physician records list a practice address in Washington
They are 891 of the 45,857 NPPES records with a practice address in Washington, and 901 internal medicine physician records in District of Columbia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 901 in District of Columbia → Every provider in Washington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Daniel Herman, M.D.Washington, DC 204221891806683
- Navreet Kallar, M.D., M.P.H.Washington, DC 204221295770873
- Erdulfo Romero, MDWashington, DC 204221225084114
Common questions
What is Alan Edward Greenberg, MD's NPI number?
Alan Edward Greenberg, MD's National Provider Identifier (NPI) is 1184735649, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alan Edward Greenberg, MD located?
The NPPES record lists a practice address at VA Medical Ctr, Washington, DC, 20422. Phone: (202) 745-8000. Providers update this record themselves, so call before visiting.
How can I verify Alan Edward Greenberg, MD's license?
Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.