BAY AREA NEUROSCIENCES
NPI 1245624212
Neurological Surgery in Walnut Creek, CA

Active since March 26, 2015
100 N WIGET LN, SUITE 160, WALNUT CREEK, CA 94598(925) 280-8200(925) 280-8201 Get Directions Write a Review

NPPES record last updated: March 26, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Bay Area Neurosciences NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BAY AREA NEUROSCIENCES (NPI 1245624212) is a healthcare organization registered as a neurological surgery in Walnut Creek, California and active in the NPI registry since March 2015. The organization lists George James Counelis, President, as its authorized official.

NPPES Registry Identity

NPI1245624212
Entity TypeOrganization
Primary Taxonomy207T00000X
Legal Business NameGEORGE JAMES COUNELIS MD INC
Location Address100 N WIGET LN, SUITE 160Walnut Creek, CA 94598-5988
Mailing Address100 N Wiget Ln, Suite 160Walnut Creek, CA 94598-5988 · (925) 280-8200 · Fax (925) 280-8201
Fax(925) 280-8201
Organization SubpartNo
Authorized OfficialGeorge James CounelisPresident · (925) 280-8200
Enumeration DateMarch 26, 2015
✔ NPI 1245624212 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
License✔ Licensed in CA · A87807
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
100 N WIGET LN, Walnut Creek, CA 94598

Other Names 1

Doing Business AsBay Area Neurosciences

Other Identifiers 1

Medicare UPINI13230

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Bay Area Neurosciences is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Bay Area Neurosciences, which bills Medicare for the services this clinician delivers.

Clinician (1)

Neurosurgery
NPI 1437261534
100 N. WIGET LANE SUITE 160
Walnut Creek, CA 94598
(925) 280-8200
✔ PECOSSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is George James Counelis MD Inc's NPI number?

The NPI number for George James Counelis MD Inc is 1245624212. It was assigned to this organization in the NPPES registry on March 26, 2015. The provider is doing business as Bay Area Neurosciences.

Where is George James Counelis MD Inc located?

George James Counelis MD Inc is located at 100 N Wiget Ln Suite 160, Walnut Creek, CA 94598. The listed phone number is (925) 280-8200.

What is George James Counelis MD Inc's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is George James Counelis MD Inc enrolled in Medicare?

Yes. George James Counelis MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through George James Counelis MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Neurosurgery) reassigns their Medicare billing to George James Counelis MD Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for George James Counelis MD Inc was last updated on March 26, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.