Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

George James Counelis, MD

Neurological Surgery Physician in Walnut Creek, CA · enumerated 2006.

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

National Provider Identifier

1437261534

Verified

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Registry record

Entity type Individual (Type 1)

Name George James Counelis

Credential MD

Sex Male

Practice address 100 N. Wiget Lane, Suite 160, Walnut Creek, CA, 94598

Phone (925) 280-8200

Fax (925) 280-8201

Enumeration date Aug 31, 2006

Last updated in NPPES Aug 6, 2015

Taxonomy & licenses

207T00000X Neurological Surgery Physician Allopathic & Osteopathic Physicians · License A87807 (CA) 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
A87807	Other	-	BLUE SHIELD OF CA
00A878070	Other	-	BLUE SHIELD OF CA

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 George Counelis?

The National Provider Identifier (NPI) for George Counelis is 1437261534, a Type 1 (individual) record in the CMS NPPES registry.

Where does George Counelis practice?

The practice location on file with NPPES is in Walnut Creek, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-08-06.