NPI Portal NPI Lookup & Verification

Urology in Walnut Creek, CA

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

Urology providers in Walnut Creek, CA
NPI Name Type Specialty Location
1154486793 Amir Arsanjani Individual Urology Physician Walnut Creek, CA
1811039480 Andrew Chen Individual Urology Physician Walnut Creek, CA
1891793980 Brian Hopkins Individual Urology Physician Walnut Creek, CA
1437237526 Gregory Marshall Individual Urology Physician Walnut Creek, CA
1649358730 John Oh Individual Urology Physician Walnut Creek, CA
1861481004 John Roberts Individual Urology Physician Walnut Creek, CA
1265427975 Kenneth Hsiao Individual Urology Physician Walnut Creek, CA
1528181278 Liann Handel Individual Pediatric Urology Physician Walnut Creek, CA
1750469854 Malcolm Scott Individual Urology Physician Walnut Creek, CA
1215015797 Michael Choi Individual Urology Physician Walnut Creek, CA
1023041464 Parminder Sethi Individual Urology Physician Walnut Creek, CA
1972681047 Ramin Royai Individual Urology Physician Walnut Creek, CA
1679651749 Raymond Rosenbaum Individual Urology Physician Walnut Creek, CA
1215015896 Scot Hagey Individual Urology Physician Walnut Creek, CA

Frequently asked questions

How many Urology providers are in Walnut Creek, CA?
The latest NPPES snapshot lists 23 active Urology providers with a practice address in Walnut Creek, California.
How do I check a Urology 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.