NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John Birknes, M.D.

Neurological Surgery Physician in Scarborough, ME · enumerated 2007.

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

National Provider Identifier

1134329402

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name John Birknes
Credential M.D.
Sex Male
Practice address 49 Spring St, Scarborough, ME, 04074
Enumeration date Jul 24, 2007
Last updated in NPPES May 28, 2020

Taxonomy & licenses

2086S0120X Pediatric Surgery Physician Allopathic & Osteopathic Physicians · License MD422479 (PA) Secondary
207T00000X Neurological Surgery Physician Allopathic & Osteopathic Physicians · License MD23462 (ME) Secondary
2086S0120X Pediatric Surgery Physician Allopathic & Osteopathic Physicians · License 0101244138 (VA) Secondary
207T00000X Neurological Surgery Physician Allopathic & Osteopathic Physicians · License 0101244138 (VA) 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
1134329402 Other VA OPTIMA HEALTH CARE
5910591 Medicaid NC -
1134329402 Other VA AETNA
1134329402 Other VA MAMSI/OPTIMUM CHOICE
1134329402 Medicaid VA -
364137 Other VA ANTHEM BC/BS
1134329402 Other VA CIGNA
1134329402 Other VA MDIPA

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for John Birknes?
The National Provider Identifier (NPI) for John Birknes is 1134329402, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Birknes practice?
The practice location on file with NPPES is in Scarborough, ME. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-05-28.