NPPES file of Aug 9, 2026

William R. Leahy, M.D.

Neurology with Special Qualifications in Child Neurology Physician · Greenbelt, MD

William R. Leahy, M.D. is a neurology with special qualifications in child neurology physician with a practice address in Greenbelt, Maryland, and NPI 1164439550, issued on Aug 1, 2006. Check the license (Maryland D0015593, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164439550
Name
William R. Leahy
Credential
M.D.
Primary taxonomy
Neurology with Special Qualifications in Child Neurology Physician 2084N0402X
License numbers
D0015593 MD
D15593 MD
Self-reported in NPPES; status is on the state search
Practice location
7500 Hanover Pkwy, Greenbelt, MD 20770
Phone
(301) 982-7944
Enumerated
Aug 1, 2006
Record last updated
Oct 11, 2022
Fax
(301) 441-8696
Medicaid ID
310511300 MD
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 7500 Hanover Pkwy

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

  1. Kimberley Anderson, M.D.Physical Medicine & Rehabilitation Physician1922020767
  2. Syed Asad, M.D.Neurology Physician1265448062
  3. Gherwane Becaley-Mba, D.P.T.Physical Therapist1609281104
  4. Therian Brown, AUDAudiologist1437319845
  5. Sridhar Chatrathi, MDCardiovascular Disease Physician1447239561
  6. Aminata Fountain, DPTOrthopedic Physical Therapist1447511860

Verify William R. Leahy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0015593
    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.

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The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%99.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

William R. Leahy among 56 neurology with special qualifications in child neurology physician records in Maryland

William R. Leahy, M.D. is one of 56 neurology with special qualifications in child neurology physician records with a practice address in Maryland. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 77% newer
  • In a Medicare fileYes · 59% of these records are
  • In the CMS Doctors and Clinicians fileNo · 45% of these records are
  • Record last updated2022 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0402X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology with Special Qualifications in Child Neurology Physician providers in Maryland

There are 56 neurology with special qualifications in child neurology physician records in Maryland.

The 8 neurology with special qualifications in child neurology physician records with the nearest ZIP codes

  1. Sonal Patel, M.D.Bethesda, MD 208141366608879
  2. Sylvia Edelstein, MDCabin John, MD 208181225136989
  3. Marc Difazio, M.D.Rockville, MD 208501972556462
  4. Sarah Neuhaus, D.O.Bethesda, MD 208521356683742
  5. Rahe Hiraldo, M.D.Bethesda, MD 208891851686422
  6. David Hsieh, M.D.Bethesda, MD 208891013085448
  7. Justin Shields, M.D.Bethesda, MD 208891972703460
  8. William Young, MDBethesda, MD 208891154358851

Common questions

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

William R. Leahy, M.D.'s National Provider Identifier (NPI) is 1164439550, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William R. Leahy, M.D. located?

The NPPES record lists a practice address at 7500 Hanover Pkwy, Greenbelt, MD, 20770. Phone: (301) 982-7944. Providers update this record themselves, so call before visiting.

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

NPPES lists Maryland license number D0015593, 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.

What is William R. Leahy, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.