NPI Portal NPI Lookup & Verification

Preventive Medicine in Walnut Creek, CA

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

Preventive Medicine providers in Walnut Creek, CA
NPI Name Type Specialty Location
1124106281 Hilary Kauffman Individual Occupational Medicine Physician Walnut Creek, CA
1063634822 Jason Servatius Individual Obesity Medicine (Preventive Medicine) Physician Walnut Creek, CA
1942372784 June Gonzales Individual Occupational Medicine Physician Walnut Creek, CA
1659447027 Michael Fischman Individual Preventive Medicine/Occupational Environmental Medicine Physician Walnut Creek, CA
1376892695 Michael Lipsett Individual Public Health & General Preventive Medicine Physician Walnut Creek, CA
1598050205 Nancy Ngoc Giao Ly Individual Occupational Medicine Physician Walnut Creek, CA
1487693701 Patricia Rehfield Individual Public Health & General Preventive Medicine Physician Walnut Creek, CA
1467530550 Philip Jenkins Individual Occupational Medicine Physician Walnut Creek, CA
1104373067 U.S. Healthworks Medical Group, PC Organization Occupational Medicine Physician Walnut Creek, CA
1740214899 Wesley Chan Individual Preventive Medicine/Occupational Environmental Medicine Physician Walnut Creek, CA

Frequently asked questions

How many Preventive Medicine providers are in Walnut Creek, CA?
The latest NPPES snapshot lists 10 active Preventive Medicine providers with a practice address in Walnut Creek, California.
How do I check a Preventive Medicine 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.