Mark Belsky, M.D.
NPI 1841246055 · Orthopaedic Hand Surgery Physician · Newton, MA
Mark Belsky, M.D. is a Orthopaedic Hand Surgery Physician provider in Newton, MA (NPI 1841246055).
Provider details
- NPI number
- 1841246055
- Entity type
- Individual
- Primary specialty
- Orthopaedic Hand Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 039182 (MA)
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-26
- Last updated
- 2007-09-14
Frequently asked questions
- What is Mark Belsky's NPI number?
- Mark Belsky's National Provider Identifier (NPI) is 1841246055, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Belsky's specialty?
- Mark Belsky is listed in the NPPES registry with a primary specialty of Orthopaedic Hand Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Belsky located?
- Mark Belsky's practice location on file with NPPES is 2000 Washington St, Newton, MA 02462-1650.
- What is Mark Belsky's phone number?
- The practice phone number listed in the NPPES registry for Mark Belsky is (617) 965-4263.
- Is Mark Belsky's NPI active?
- Yes — Mark Belsky's NPI (1841246055) is active in the NPPES registry as of the last update on 2007-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.