NPPES file of Aug 9, 2026

Thomas M. Walsh, M.D.

Family Medicine Physician · Queenstown, MD

Thomas M. 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1659363257
Name
Thomas M. 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
Record last updated
Apr 17, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicaid ID
769241200 MD
Medicare enrollment
Enrolled (PECOS I20260320000151); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Thomas M. 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

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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 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 21 claims were for opioids.

  1. Thomas Walsh277
  2. Specialty average3,544

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.

Bills Medicare through one group practice

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

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Thomas M. Walsh among 1,912 family medicine physician records in Maryland

Thomas M. Walsh, M.D. is one of 1,912 family medicine physician records with a practice address in Maryland. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 87% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2016 · median 2004 among the 1,141 with a school on file
  • Record last updated2019 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

6 family medicine physician records list a practice address in Queenstown

They are 6 of the 33 NPPES records with a practice address in Queenstown, and 1,912 family medicine physician records in Maryland.

The 8 family medicine physician records with the nearest ZIP codes

  1. Juanita Bauman, D.OQueenstown, MD 216581871587568
  2. James Chamberlain, M.D.Queenstown, MD 216581437150042
  3. Jamie Harms, M.D.Queenstown, MD 216581780685073
  4. Timothy Klepper, M.D.Queenstown, MD 216581164684965
  5. Daniel Lamphier, MDQueenstown, MD 216581710206321
  6. Melinda Butler, MDPreston, MD 216551538196761
  7. Timothy Sniezek, MDPreston, MD 216551558397315
  8. Alice Calhoun, M.D.St Michaels, MD 216631023139706

Common questions

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

Thomas M. 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 M. 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 M. 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 M. Walsh, M.D. prescribe under Medicare Part D?

In 2024, Thomas M. Walsh, M.D. had 277 Medicare Part D claims for 88 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

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.