Thomas Walker, M.D.
NPI 1821088154 · Vascular & Interventional Radiology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Interventional Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Walker, M.D. is a Vascular & Interventional Radiology Physician provider in Boston, MA (NPI 1821088154).
Provider details
- NPI number
- 1821088154
- Entity type
- Individual
- Primary specialty
- Vascular & Interventional Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 53265 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-27
- Last updated
- 2019-12-31
- Certified
- 2019-12-31
Frequently asked questions
- What is Thomas Walker's NPI number?
- Thomas Walker's National Provider Identifier (NPI) is 1821088154, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Walker's specialty?
- Thomas Walker is listed in the NPPES registry with a primary specialty of Vascular & Interventional Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Walker located?
- Thomas Walker's practice location on file with NPPES is 55 Fruit St # 290a, Boston, MA 02114-2621.
- What is Thomas Walker's phone number?
- The practice phone number listed in the NPPES registry for Thomas Walker is (617) 726-8314.
- Does Thomas Walker accept Medicare?
- Thomas Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Walker's NPI active?
- Yes — Thomas Walker's NPI (1821088154) is active in the NPPES registry as of the last update on 2019-12-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.