Thomas Walsh, M.D.
NPI 1659363257 · Family Medicine Physician · Queenstown, MD
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Walsh, M.D. is a Family Medicine Physician provider in Queenstown, MD (NPI 1659363257).
Provider details
- NPI number
- 1659363257
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0023867 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methenamine Hippurate | 24 | — |
| Lorazepam | 24 | 24 |
| Losartan Potassium | 24 | — |
| Levothyroxine Sodium | 15 | — |
| Morphine Sulfate | 13 | 13 |
| Dapagliflozin Propanediolbrand: Farxiga | 12 | — |
| Mirabegronbrand: Myrbetriq |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-19
- Last updated
- 2019-04-17
Frequently asked questions
- What is Thomas Walsh's NPI number?
- Thomas Walsh's National Provider Identifier (NPI) is 1659363257, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Walsh's specialty?
- Thomas Walsh is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Walsh located?
- Thomas Walsh's practice location on file with NPPES is 113 River Run, Queenstown, MD 21658-1642.
- What is Thomas Walsh's phone number?
- The practice phone number listed in the NPPES registry for Thomas Walsh is (410) 353-4501.
- Does Thomas Walsh accept Medicare?
- Thomas Walsh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Walsh's NPI active?
- Yes — Thomas Walsh's NPI (1659363257) is active in the NPPES registry as of the last update on 2019-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.