NPI Portal NPI Lookup & Verification

Internal Medicine in Mill Valley, CA

26 active Internal Medicine providers practice in Mill Valley, California according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.

Internal Medicine providers in Mill Valley, CA
NPI Name Type Specialty Location
1407871197 Alison Lavoy Individual Internal Medicine Physician Mill Valley, CA
1669293775 Bay Area Endocrinology PC Organization Endocrinology, Diabetes & Metabolism Physician Mill Valley, CA
1063720431 Cynthia Fenton Individual Internal Medicine Physician Mill Valley, CA
1134393887 David Harold Berman, M.D., A Medical Corporation Organization Internal Medicine Physician Mill Valley, CA
1821629296 David Kirn Individual Internal Medicine Physician Mill Valley, CA
1033514054 David Zakim Individual Hepatology Physician Mill Valley, CA
1285095182 Deanna Green Individual Internal Medicine Physician Mill Valley, CA
1932127248 Douglas Cohen Individual Internal Medicine Physician Mill Valley, CA
1174340475 Douglas E. Cohen MD, Inc. Organization Internal Medicine Physician Mill Valley, CA
1427310457 Elliot Liff Individual Internal Medicine Physician Mill Valley, CA
1447917687 Frank Valone Individual Hematology & Oncology Physician Mill Valley, CA
1952489007 Gillian Lee Individual Internal Medicine Physician Mill Valley, CA
1558406736 Grace Dammann Individual Internal Medicine Physician Mill Valley, CA
1801921218 Harris Masket Individual Sports Medicine (Internal Medicine) Physician Mill Valley, CA
1124138276 Holly Batterman Individual Internal Medicine Physician Mill Valley, CA
1073584520 Irene Teper Individual Internal Medicine Physician Mill Valley, CA
1457059917 Irene Teper MD Inc Organization Internal Medicine Physician Mill Valley, CA
1366550428 Jonathan Goldman Individual Cardiovascular Disease Physician Mill Valley, CA
1669672739 Justin Mager Individual Internal Medicine Physician Mill Valley, CA
1356340079 Kathy Chang-Lipsenthal Individual Internal Medicine Physician Mill Valley, CA
1619976339 Laura Collins Individual Internal Medicine Physician Mill Valley, CA
1083720072 Leslie Miya Individual Internal Medicine Physician Mill Valley, CA
1255616314 Lewis Lehman Individual Pulmonary Disease Physician Mill Valley, CA
1508854381 Pulmonary & Critical Care Medicine, Inc. Organization Critical Care Medicine (Internal Medicine) Physician Mill Valley, CA
1386086460 Robert Mass Individual Hematology & Oncology Physician Mill Valley, CA
1740526524 Steven Porter Individual Infectious Disease Physician Mill Valley, CA

Frequently asked questions

How many Internal Medicine providers are in Mill Valley, CA?
The latest NPPES snapshot lists 26 active Internal Medicine providers with a practice address in Mill Valley, California.
How do I check a Internal Medicine provider's NPI in Mill Valley?
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.