Registry data as of Aug 27, 2026

Thomas Walsh, M.D.

Family Medicine Physician · Queenstown, MD

Thomas Walsh, M.D. is a family medicine physician with a practice address in Queenstown, Maryland, and NPI 1659363257, issued on Aug 19, 2005. Check the license (Maryland D0023867, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1659363257
Name
Thomas Walsh
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
D0023867 MD
Self-reported in NPPES; status is on the state search
Practice location
113 River Run, Queenstown, MD 21658
Phone
(410) 353-4501
Enumerated
Aug 19, 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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Verify Thomas Walsh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0023867
    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.

92% fewer Medicare Part D claims than the average family medicine physician in 2024

277 Medicare Part D claims for 88 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. 21 claims were for opioids.

  1. Thomas Walsh277
  2. Specialty average3,519

Most prescribed

  1. Lorazepam24 claims
  2. Losartan Potassium24 claims
  3. Methenamine Hippurate24 claims
  4. Levothyroxine Sodium15 claims
  5. Morphine Sulfate13 claims
  6. Farxiga12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

One hospital or facility affiliation

  1. Hospice OF The Chesapeake, Inc.Pasadena, MD

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

6 family medicine physician records list a Queenstown practice address

They are 6 of the 33 NPPES records with a Queenstown practice address, and 1,882 family medicine physician records in Maryland.

Other family medicine physician records in Maryland

  1. Amelia Abban, CRNP-BCLaurel, MD1023761970
  2. Peter Abbott, MDWillards, MD1982603759
  3. Hanan Aboumatar, MD, MPHBaltimore, MD1437526746
  4. Ndubuisi Achufusi, M.D.Greenbelt, MD1124057260
  5. Jose Acol, MDMount Airy, MD1801890306
  6. Phyllis Acquah, M.D.Silver Spring, MD1285996868
  7. Charles Adamo, M.D.Annapolis, MD1063437358
  8. Gillian Adams, M.D.Bel Air, MD1912086794
  9. Jerry Adams, M.D.Lavale, MD1710088265
  10. Ifeoluwa AdekanyeDundalk, MD1699419804

Common questions

What is Thomas Walsh, M.D.'s NPI number?

Thomas Walsh, M.D.'s National Provider Identifier (NPI) is 1659363257, issued on Aug 19, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Walsh, M.D. located?

The NPPES record lists a practice address at 113 River Run, Queenstown, MD, 21658. Phone: (410) 353-4501. Providers update this record themselves, so call before visiting.

How can I verify Thomas Walsh, M.D.'s license?

NPPES lists Maryland license number D0023867, 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.

How much does Thomas Walsh, M.D. prescribe under Medicare Part D?

In 2024, Thomas Walsh, M.D. had 277 Medicare Part D claims for 88 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

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.