NPI Portal NPI Lookup & Verification

Specialist in Walnut Creek, CA

64 active Specialist providers practice in Walnut Creek, California according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.

Specialist providers in Walnut Creek, CA
NPI Name Type Specialty Location
1154403483 Arthritis and Rheumatology Medical Associates, Inc Organization Specialist Walnut Creek, CA
1154401941 Bass Medical Group Organization Specialist Walnut Creek, CA
1598954380 George Huang Individual Specialist Walnut Creek, CA
1427125038 Jane Weil Individual Specialist Walnut Creek, CA
1356397129 Jerome Davis Individual Specialist Walnut Creek, CA
1184649998 Joann H. Dohallow Organization Specialist Walnut Creek, CA
1932133998 Joseph Pinckard Individual Specialist Walnut Creek, CA
1790785699 Judith Hartman Individual Specialist Walnut Creek, CA
1659466373 Lawrence H Wanetick MD Inc Organization Specialist Walnut Creek, CA
1881643286 Lynn Shafer Individual Specialist Walnut Creek, CA
1396785598 Mark Isaacs Individual Specialist Walnut Creek, CA
1992876403 Mark Rubenstein Individual Specialist Walnut Creek, CA
1194722702 Melinda Myers Individual Specialist Walnut Creek, CA
1982737110 Michelle W. Liu, MD Inc. Organization Specialist Walnut Creek, CA
1316036387 Monica Eigelberger Individual Specialist Walnut Creek, CA
1265623110 Mt Diablo Integrated Wellness Inc Organization Specialist Walnut Creek, CA
1619908365 Muir Obstetrics & Gynecologic Medical Group, Inc. Organization Specialist Walnut Creek, CA
1508970682 Nourollah Ghorbani Individual Specialist Walnut Creek, CA
1700886488 Ob-Gyn Specialists, Inc. Organization Specialist Walnut Creek, CA
1366509838 Rhoda Olkin Individual Specialist Walnut Creek, CA
1720275878 Rosemary Delgado MD., Inc Organization Specialist Walnut Creek, CA
1306968748 Timothy A. Leach MD Inc Organization Specialist Walnut Creek, CA
1215959366 Vincent Dimaggio Individual Specialist Walnut Creek, CA
1376626226 Walnut Creek Surgical Assoicates, Inc Organization Specialist Walnut Creek, CA
1497816656 Warren Smith Individual Specialist Walnut Creek, CA

Frequently asked questions

How many Specialist providers are in Walnut Creek, CA?
The latest NPPES snapshot lists 64 active Specialist providers with a practice address in Walnut Creek, California.
How do I check a Specialist provider's NPI in Walnut Creek?
Open a profile below to see the NPI number, taxonomy code, and practice address, then verify against the official NPPES registry — every profile links directly to the CMS record.

Source: CMS NPPES (public data). Snapshot 2026-07-10.