NPI Portal NPI Lookup & Verification

Internal Medicine in Tracy, CA

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

Internal Medicine providers in Tracy, CA
NPI Name Type Specialty Location
1245223932 Aibar Huatuco Individual Nephrology Physician Tracy, CA
1831485705 Ali Mirhosseini Individual Cardiovascular Disease Physician Tracy, CA
1831144948 Babubhai Patel Individual Internal Medicine Physician Tracy, CA
1780655951 Chemanoor Zachariah Individual Internal Medicine Physician Tracy, CA
1295121978 Dr Sunil Patel Organization Internal Medicine Physician Tracy, CA
1417939851 Enrique Zarate Individual Internal Medicine Physician Tracy, CA
1396955035 Filadelfo Oandasan Individual Internal Medicine Physician Tracy, CA
1457396897 Florence Wandisan-Rosete Individual Internal Medicine Physician Tracy, CA
1356312516 Gautami Agastya Individual Internal Medicine Physician Tracy, CA
1639135510 Grewal Medical Associates, Inc Organization Internal Medicine Physician Tracy, CA
1942389580 Gurinder Grewal Individual Cardiovascular Disease Physician Tracy, CA
1821404781 Gurpartap Sidhu Individual Internal Medicine Physician Tracy, CA
1376069856 Hla Win Individual Internal Medicine Physician Tracy, CA
1578749776 Howard Allison Individual Cardiovascular Disease Physician Tracy, CA
1376752097 Howard H Allison M.D. Organization Cardiovascular Disease Physician Tracy, CA
1821394875 Hurst Osteopathic Medicine, A Professional Corp Organization Internal Medicine Physician Tracy, CA
1881990513 Hurst Osteopathic Medicine, A Professional Corporation Organization Internal Medicine Physician Tracy, CA
1194889964 Jagjeet S. Kalra M.D., Inc. Organization Pulmonary Disease Physician Tracy, CA
1003826298 Jagjeet S. Kalra MD Inc. Organization Pulmonary Disease Physician Tracy, CA
1144308032 James Stephen Individual Internal Medicine Physician Tracy, CA
1154391241 Jerry Chien Individual Internal Medicine Physician Tracy, CA
1124295316 Juan Vergara Saavedra Individual Internal Medicine Physician Tracy, CA
1376514489 Mahesh Modi Individual Gastroenterology Physician Tracy, CA
1346443991 Meenal Shah Individual Nephrology Physician Tracy, CA
1205893104 Michael Hurst Individual Internal Medicine Physician Tracy, CA
1861131955 Mitchell L. Seitz, M.D. P.C. Organization Internal Medicine Physician Tracy, CA
1518943190 Mitchell Seitz Individual Internal Medicine Physician Tracy, CA
1194056796 Neel Shah Individual Internal Medicine Physician Tracy, CA
1194793182 Praveena Sarma Individual Infectious Disease Physician Tracy, CA
1285716357 Praveena Sarma MD Medical Corp Organization Infectious Disease Physician Tracy, CA
1750347639 Puneet Grewal Individual Internal Medicine Physician Tracy, CA
1881632263 Rajiv Punjya Individual Cardiovascular Disease Physician Tracy, CA
1184682254 Robert Williams Individual Internal Medicine Physician Tracy, CA
1801838610 Rollie Rosete Individual Internal Medicine Physician Tracy, CA
1588875512 Sahdev Saharan Individual Rheumatology Physician Tracy, CA
1801062260 Santokh Bhullar MD Inc Organization Internal Medicine Physician Tracy, CA
1861642019 Satinder Singh Individual Internal Medicine Physician Tracy, CA
1831277649 Satvinder Sachdeva Individual Internal Medicine Physician Tracy, CA
1982931598 Shaheen Jawahar Individual Internal Medicine Physician Tracy, CA
1558433391 Sherry Han Individual Internal Medicine Physician Tracy, CA
1871588731 Shyamsunder Subramanian Individual Pulmonary Disease Physician Tracy, CA
1801045679 Sumbella Baqai Individual Internal Medicine Physician Tracy, CA
1730150848 Sunil Patel Individual Internal Medicine Physician Tracy, CA
1275844375 Tabish Jalal Individual Internal Medicine Physician Tracy, CA
1518425487 Thao Pham Individual Internal Medicine Physician Tracy, CA
1265453872 Tracy Urgent Care, Inc Organization Internal Medicine Physician Tracy, CA
1154355832 Usman Ali Individual Internal Medicine Physician Tracy, CA
1316058795 Wandisan and Rosete Medical Group Professional Corporation Organization Internal Medicine Physician Tracy, CA
1003241118 Yu Cheng Individual Hematology & Oncology Physician Tracy, CA

Frequently asked questions

How many Internal Medicine providers are in Tracy, CA?
The latest NPPES snapshot lists 49 active Internal Medicine providers with a practice address in Tracy, California.
How do I check a Internal Medicine provider's NPI in Tracy?
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 2026-07-11.