Registry data as of Aug 27, 2026

William Mahaffey, M.D.

Surgery Physician · Leonardtown, MD

William Mahaffey, M.D. is a surgery physician with a practice address in Leonardtown, Maryland, and NPI 1013916055, issued on Jul 20, 2005. Check the license (Maryland D0047443, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1013916055
Name
William Mahaffey
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License number
D0047443 MD
Self-reported in NPPES; status is on the state search
Practice location
25480 Point Lookout RD, Leonardtown, MD 20650
Phone
(301) 997-0909
Enumerated
Jul 20, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 25480 Point Lookout RD

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

  1. Elizabeth Buscema, MS CCC-SLPSpeech-Language Pathologist1841693843
  2. Cindy Daly, M.D.Otolaryngology Physician1043219074
  3. Kelly Fritz, M.D.Surgery Physician1649279688
  4. Crystal Koran, SLPSpeech-Language Pathologist1033765904
  5. Leigh McCarthy, A.UD.Audiologist1801052816
  6. Mechelle Shifflett, COTAOccupational Therapy Assistant1902558042

Verify William Mahaffey in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0047443
    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 Maryland 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.

Surgery Physician providers in Maryland

There are 700 surgery physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other surgery physician records in Maryland

  1. Sabrina Aaron, MDLanham, MD1114779980
  2. Alain AbdoBaltimore, MD1972811966
  3. Daria Abolghasemi, D.O.Baltimore, MD1265847636
  4. Niv Ad, M.D.Takoma Park, MD1982673364
  5. Gina Adrales, M.D.Lutherville, MD1063582591
  6. Arthur Affleck, MDBaltimore, MD1043715626
  7. Gopal Aggarwal, MDBaltimore, MD1629325162
  8. Sarkis Aghazarian, M.D.F.A.C.S.Baltimore, MD1376510479
  9. Ahmad Ahad, M.D.Baltimore, MD1073737615
  10. Eftikhar Akam, DOBaltimore, MD1629538616

Common questions

What is William Mahaffey, M.D.'s NPI number?

William Mahaffey, M.D.'s National Provider Identifier (NPI) is 1013916055, issued on Jul 20, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William Mahaffey, M.D. located?

The NPPES record lists a practice address at 25480 Point Lookout RD, Leonardtown, MD, 20650. Phone: (301) 997-0909. Providers update this record themselves, so call before visiting.

How can I verify William Mahaffey, M.D.'s license?

NPPES lists Maryland license number D0047443, as entered by the provider. 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.