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Sumner E Karas, M.D.

Orthopaedic Surgery Physician in Springfield, MA · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1265451942

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Registry record

Entity type Individual (Type 1)
Name Sumner E Karas
Credential M.D.
Sex Male
Practice address 300 Birnie Ave, Suite 201, Springfield, MA, 01107
Phone (413) 785-4666
Fax (413) 846-4756
Enumeration date Jul 19, 2006
Last updated in NPPES Apr 15, 2010

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 52302 (MA) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
6177506 Medicaid MA -

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Sumner Karas?
The National Provider Identifier (NPI) for Sumner Karas is 1265451942, a Type 1 (individual) record in the CMS NPPES registry.
Where does Sumner Karas practice?
The practice location on file with NPPES is in Springfield, MA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-04-15.