NPI Portal NPI Lookup & Verification

Specialty · city directory

Internal Medicine in Los Altos, CA

Active Internal Medicine providers practising in Los Altos, California. Profiles include the NPI number, taxonomy code, license state, and practice address.

39 providers indexed

Internal Medicine providers in Los Altos, CA

NPI Name Type Specialty Location
1437391703 Alfred Rudolph Individual Internal Medicine Physician Los Altos Hills, CA
1497038624 Allan Kramer Individual Internal Medicine Physician Los Altos, CA
1275653586 Allen Namath Gromme Individual Critical Care Medicine (Internal Medicine) Physician Los Altos, CA
1184519480 Altos Health Innovations, A California Professional Medical Corporation, Inc. Organization Internal Medicine Physician Los Altos Hills, CA
1124243092 Amy Elliott Individual Rheumatology Physician Los Altos, CA
1124191481 Amy Muzaffar Individual Internal Medicine Physician Los Altos, CA
1457725111 Anita M. Prakash, M.D., F.A.C.C., PC Organization Cardiovascular Disease Physician Los Altos, CA
1578578050 Anita Prakash Individual Cardiovascular Disease Physician Los Altos, CA
1932273539 Bhanu-Rekha Bhaskar Individual Internal Medicine Physician Los Altos, CA
1447387451 Carrie Mousseau Individual Internal Medicine Physician Los Altos, CA
1063641702 Charles Tuchinda Individual Internal Medicine Physician Los Altos, CA
1740372259 Dianne Storey Individual Internal Medicine Physician Los Altos, CA
1144312141 Francis Lastufka Individual Internal Medicine Physician Los Altos, CA
1548345770 Frederick Guilford Individual Allergy & Immunology (Internal Medicine) Physician Los Altos, CA
1063504553 Gina Serraiocco Individual Internal Medicine Physician Los Altos, CA
1750870861 Heba Yassin Jioussy Individual Internal Medicine Physician Los Altos, CA
1194883520 Jacqueline Denkabe Individual Internal Medicine Physician Los Altos, CA
1376616706 Janusz Madej Individual Internal Medicine Physician Los Altos, CA
1841450731 Jessica Favreau Individual Internal Medicine Physician Los Altos, CA
1417537218 Jessica Madej Individual Internal Medicine Physician Los Altos, CA
1154409746 Julia Fong Individual Internal Medicine Physician Los Altos, CA
1770508533 Karen Suskiewicz Individual Internal Medicine Physician Los Altos, CA
1396128336 Karthikeyan Viswanathan Individual Internal Medicine Physician Los Altos, CA
1073768727 Lailey Naomi Oliva Individual Internal Medicine Physician Los Altos, CA
1285791491 Laurel Trujillo Individual Internal Medicine Physician Los Altos, CA
1992910715 Marshall Reed Individual Internal Medicine Physician Los Altos, CA
1790896231 Patricia Sitnitsky Individual Internal Medicine Physician Los Altos, CA
1265121669 Patricia Sitnitsky PC Organization Internal Medicine Physician Los Altos, CA
1043327737 Paul Tang Individual Internal Medicine Physician Los Altos, CA
1548647126 Payvand Milani Individual Internal Medicine Physician Los Altos, CA
1962722710 Peter Milner Individual Cardiovascular Disease Physician Los Altos Hills, CA
1568598282 Rialto Medical Group Organization Internal Medicine Physician Los Altos, CA
1508943440 Robert Alloo Individual Endocrinology, Diabetes & Metabolism Physician Los Altos, CA
1114019742 Ronda Macchello Individual Internal Medicine Physician Los Altos, CA
1740360395 Ronesh Sinha Individual Internal Medicine Physician Los Altos, CA
1023149440 Simon Humphries Individual Internal Medicine Physician Los Altos, CA
1306289004 Steven Hamman Individual Internal Medicine Physician Los Altos, CA
1710048921 Steven Natterstad Individual Internal Medicine Physician Los Altos, CA
1366523862 Susan Sorensen Individual Internal Medicine Physician Los Altos, CA
1437472974 Tinuola Ademola Individual Internal Medicine Physician Los Altos, CA
1598049173 Valerie Gurle Individual Internal Medicine Physician Los Altos, CA
1699774406 William Buchholz Individual Hematology (Internal Medicine) Physician Los Altos, CA

Frequently asked questions

How many Internal Medicine providers are in Los Altos, CA?
The latest NPPES snapshot lists 39 active Internal Medicine providers with a practice address in Los Altos, California.
How do I check a Internal Medicine provider's NPI in Los Altos?
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 2026-07-13.