NPI Portal NPI Lookup & Verification

Internal Medicine in San Mateo, CA

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

Internal Medicine providers in San Mateo, CA
NPI Name Type Specialty Location
1427019769 Alan Schwartz Individual Clinical Cardiac Electrophysiology Physician San Mateo, CA
1558051987 Alex Shokouhi Mohseni MD PC Organization Internal Medicine Physician San Mateo, CA
1376633628 Alpa Sanghavi Individual Internal Medicine Physician San Mateo, CA
1831121425 Amy Daniher Individual Internal Medicine Physician San Mateo, CA
1942156252 Amy Daniher MD Inc Organization Internal Medicine Physician San Mateo, CA
1366400384 Andrew Engler Individual Allergy & Immunology (Internal Medicine) Physician San Mateo, CA
1174977607 Anoop Neboori Individual Internal Medicine Physician San Mateo, CA
1144254806 Aparna Bhagavat Individual Cardiovascular Disease Physician San Mateo, CA
1992758478 Beatty Ramsay Individual Internal Medicine Physician San Mateo, CA
1366524308 Bouke Dejong Individual Infectious Disease Physician San Mateo, CA
1528125135 Bradley Ekstrand Individual Hematology & Oncology Physician San Mateo, CA
1497846901 Brian Henderson Individual Hematology & Oncology Physician San Mateo, CA
1295815579 Bryan Gescuk Individual Rheumatology Physician San Mateo, CA
1437220704 Chester Kunnappilly Individual Internal Medicine Physician San Mateo, CA
1427100965 Cybele Renault Individual Infectious Disease Physician San Mateo, CA
1255499323 Dale Ritzo Individual Internal Medicine Physician San Mateo, CA
1033295662 Daniel Rengstorff Individual Gastroenterology Physician San Mateo, CA
1730470121 Daphne Lo Individual Geriatric Medicine (Internal Medicine) Physician San Mateo, CA
1619988425 David Kurzrock Individual Cardiovascular Disease Physician San Mateo, CA
1477766772 David Yocum Individual Rheumatology Physician San Mateo, CA
1285708941 Davida Talcove Individual Internal Medicine Physician San Mateo, CA
1831263540 Dennis Israelski Individual Infectious Disease Physician San Mateo, CA
1780683789 Diana Jao Individual Geriatric Medicine (Internal Medicine) Physician San Mateo, CA
1902286735 Diane Oliver Individual Internal Medicine Physician San Mateo, CA
1164697728 Dina Sverdlov Individual Internal Medicine Physician San Mateo, CA
1790846657 Dina Sverdlov MD A Professional Corporation Organization Internal Medicine Physician San Mateo, CA
1962662478 Donna Baldassare Individual Hospice and Palliative Medicine (Internal Medicine) Physician San Mateo, CA
1114208931 Edward Juhn Individual Internal Medicine Physician San Mateo, CA
1134658669 Elham Vosoughi Individual Hematology & Oncology Physician San Mateo, CA
1952475667 Elizabeth Hudson Individual Infectious Disease Physician San Mateo, CA
1063817823 Enara Health Group, P.C. Organization Obesity Medicine (Internal Medicine) Physician San Mateo, CA
1962907014 Eric Kuo Individual Hematology & Oncology Physician San Mateo, CA
1295936755 Evelyn Haddad Individual Internal Medicine Physician San Mateo, CA
1457540551 Frank Tortorice Individual Internal Medicine Physician San Mateo, CA
1790841948 Frank Tortorice MD. Inc Organization Internal Medicine Physician San Mateo, CA
1568450104 Frederick Watson Individual Cardiovascular Disease Physician San Mateo, CA
1194820688 Gary Pasternak Individual Internal Medicine Physician San Mateo, CA
1700957099 Grace Hassid Individual Internal Medicine Physician San Mateo, CA
1740235704 Hema Shah Individual Internal Medicine Physician San Mateo, CA
1952356917 Hoa Le Individual Internal Medicine Physician San Mateo, CA
1578931903 Homecare Physicians Medical Group, Inc. Organization Internal Medicine Physician San Mateo, CA
1245306836 Ian Lin Individual Internal Medicine Physician San Mateo, CA
1508960766 Indu Fotedar Individual Internal Medicine Physician San Mateo, CA
1457301384 Jack Bernstein Individual Internal Medicine Physician San Mateo, CA
1780997064 Jacqueline Baras Shreibati Individual Cardiovascular Disease Physician San Mateo, CA
1639245533 Jagruti Shukla Individual Internal Medicine Physician San Mateo, CA
1720143803 Jeanne Linquist Individual Infectious Disease Physician San Mateo, CA
1093726895 Jeffrey Guttas Individual Cardiovascular Disease Physician San Mateo, CA
1891866869 Jeffrey J. Guttas, M.D. A Medical Corporation Organization Cardiovascular Disease Physician San Mateo, CA
1932242062 Jelena Kao Individual Hematology & Oncology Physician San Mateo, CA

Frequently asked questions

How many Internal Medicine providers are in San Mateo, CA?
The latest NPPES snapshot lists 125 active Internal Medicine providers with a practice address in San Mateo, California.
How do I check a Internal Medicine provider's NPI in San Mateo?
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.