DIABLO NEUROSURGICAL MEDICAL GROUP, INC.
NPI 1265445993
Neurological Surgery in Walnut Creek, CA

Active since August 14, 2006
122 LA CASA VIA STE 222, WALNUT CREEK, CA 94598(925) 937-0404(925) 937-1340 Get Directions Write a Review

NPPES record last updated: January 8, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Diablo Neurosurgical Medical Group, Inc. NPPES

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

DIABLO NEUROSURGICAL MEDICAL GROUP, INC. (NPI 1265445993) is a healthcare organization registered as a neurological surgery in Walnut Creek, California and active in the NPI registry since August 2006. The organization lists Terence Chen, President, as its authorized official.

NPPES Registry Identity

NPI1265445993
Entity TypeOrganization
Primary Taxonomy207T00000X
Legal Business NameDIABLO NEUROSURGICAL MEDICAL GROUP, INC.
Location Address122 LA CASA VIA STE 222Walnut Creek, CA 94598-3014
Mailing Address122 La Casa Via Ste 222Walnut Creek, CA 94598-3014 · (925) 937-0404 · Fax (925) 937-1340
Fax(925) 937-1340
Organization SubpartNo
Authorized OfficialTerence ChenPresident · (925) 937-0404
Enumeration DateAugust 14, 2006
Last NPPES UpdateJanuary 8, 2025
NPPES CertifiedJanuary 8, 2025
✔ NPI 1265445993 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
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.
122 LA CASA VIA STE 222, Walnut Creek, CA 94598

Other Identifiers 2

OtherZZZ72795ZBlue Shield Of Ca
OtherC41006Railroad Medicare

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)

Diablo Neurosurgical Medical Group, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Diablo Neurosurgical Medical Group, Inc., which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Neurosurgery
NPI 1720180946
122 LA CASA VIA STE 222
Walnut Creek, CA 94598
(925) 937-0404
✔ PECOS✔ Accepts MedicareSame address
Neurology
NPI 1518153824
1601 YGNACIO VALLEY RD
Walnut Creek, CA 94598
(925) 939-3000
✔ PECOS0.1 mi

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 Diablo Neurosurgical Medical Group, Inc.'s NPI number?

The NPI number for Diablo Neurosurgical Medical Group, Inc. is 1265445993. It was assigned to this organization in the NPPES registry on August 14, 2006.

Where is Diablo Neurosurgical Medical Group, Inc. located?

Diablo Neurosurgical Medical Group, Inc. is located at 122 La Casa Via Ste 222, Walnut Creek, CA 94598. The listed phone number is (925) 937-0404.

What is Diablo Neurosurgical Medical Group, Inc.'s specialty?

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

Is Diablo Neurosurgical Medical Group, Inc. enrolled in Medicare?

Yes. Diablo Neurosurgical Medical Group, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Diablo Neurosurgical Medical Group, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Diablo Neurosurgical Medical Group, Inc., in Neurology and Neurosurgery. 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. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Diablo Neurosurgical Medical Group, Inc. was last updated on January 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months 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.