Sumner Karas, M.D.
NPI 1265451942 · Orthopaedic Surgery Physician · Springfield, MA
Sumner Karas, M.D. is a Orthopaedic Surgery Physician provider in Springfield, MA (NPI 1265451942).
Provider details
- NPI number
- 1265451942
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 52302 (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
19 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
- 2006-07-19
- Last updated
- 2010-04-15
Frequently asked questions
- What is Sumner Karas's NPI number?
- Sumner Karas's National Provider Identifier (NPI) is 1265451942, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sumner Karas's specialty?
- Sumner Karas is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Sumner Karas located?
- Sumner Karas's practice location on file with NPPES is 300 Birnie Ave, Springfield, MA 01107-1107.
- What is Sumner Karas's phone number?
- The practice phone number listed in the NPPES registry for Sumner Karas is (413) 785-4666.
- Is Sumner Karas's NPI active?
- Yes — Sumner Karas's NPI (1265451942) is active in the NPPES registry as of the last update on 2010-04-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.