David Allen, M.D.
Internal Medicine Physician · Leonardtown, MD
David Allen, M.D. is an internal medicine physician with a practice address in Leonardtown, Maryland, and NPI 1558421305, issued on Dec 11, 2006. Check the license on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- David Allen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 25500 Point Lookout Road, Leonardtown, MD 20650
- Phone
- (301) 475-8981
- Enumerated
- Dec 11, 2006
- Entity
- Type 1 · individual
Also registered at 25500 Point Lookout Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Erin Hickey, M.D.Pediatrics Physician1649213802
- James McQuiston, M.D.Emergency Medicine Physician1326071994
- Jennifer McQuiston, MDEmergency Medicine Physician1740214261
- Melissa Meghpara, DOVascular Surgery Physician1396124350
- Rajesh Mehta, R.PH.Pharmacist1184747669
Verify David Allen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
13 internal medicine physician records list a Leonardtown practice address
They are 13 of the 471 NPPES records with a Leonardtown practice address, and 4,220 internal medicine physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 13 in Leonardtown → All 4,220 in Maryland → Every provider in Leonardtown →
Other internal medicine physician records in Maryland
- Joshua Aaron, MDElkton, MD1396703351
- Alina Aasim, M.D.Baltimore, MD1174057905
- Eduardo Abarca Rojas, M.D.Parkville, MD1538447628
- Rasheed Abassi, M.D.Clinton, MD1376608620
- Shastine Abate, MDBaltimore, MD1922199405
- Ghulam Abbas, MDFrederick, MD1477658045
- Hashim AbbasBaltimore, MD1396171070
- Shamima Abbas, MDKensington, MD1750445896
- Nourelhuda Abbas Hamed, MDSilver Spring, MD1699339473
- Arsalan Abbasi, MDWestminster, MD1942762604
Common questions
What is David Allen, M.D.'s NPI number?
David Allen, M.D.'s National Provider Identifier (NPI) is 1558421305, issued on Dec 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Allen, M.D. located?
The NPPES record lists a practice address at 25500 Point Lookout Road, Leonardtown, MD, 20650. Phone: (301) 475-8981. Providers update this record themselves, so call before visiting.
How can I verify David Allen, M.D.'s license?
Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.