Thomas Breen, M.D.
NPI 1205810017 · Orthopaedic Surgery Physician · Worcester, MA
Thomas Breen, M.D. is a Orthopaedic Surgery Physician provider in Worcester, MA (NPI 1205810017).
Provider details
- NPI number
- 1205810017
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 56849 (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
- 2005-12-05
- Last updated
- 2020-10-27
- Certified
- 2020-10-27
Frequently asked questions
- What is Thomas Breen's NPI number?
- Thomas Breen's National Provider Identifier (NPI) is 1205810017, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Breen's specialty?
- Thomas Breen is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Breen located?
- Thomas Breen's practice location on file with NPPES is 281 Lincoln St, Worcester, MA 01605-2138.
- What is Thomas Breen's phone number?
- The practice phone number listed in the NPPES registry for Thomas Breen is (508) 334-0600.
- Is Thomas Breen's NPI active?
- Yes — Thomas Breen's NPI (1205810017) is active in the NPPES registry as of the last update on 2020-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.