21,799 NPI-registered Internal Medicine Physician providers practice in California. Switch states in the rail, or open the full search to filter by city and credential.
| Provider | Specialty | Location | NPI |
|---|---|---|---|
| 1chinomed Inc | Internal Medicine Physician | Chino, CA | 1952538852 |
| 3 Musketeers Medical Group, a Medical Corporation | Internal Medicine Physician | Fresno, CA | 1306561030 |
| 365 Mdcare Inc |
| Internal Medicine Physician |
| Riverside, CA |
| 1164869780 |
| 365 Medical Group, Inc | Internal Medicine Physician | Garden Grove, CA | 1780275016 |
| 5 Rivers Health Inc | Internal Medicine Physician | Rocklin, CA | 1497592869 |
| 5 Star Pain Relief PC | Internal Medicine Physician | Palm Desert, CA | 1154766566 |
| 9-Five Clinics Inc | Internal Medicine Physician | Long Beach, CA | 1437875390 |
| 9amhealth Medical Group of California, P.C. | Internal Medicine Physician | Encinitas, CA | 1639871627 |
| 9amhealth Medical Group of Kansas, P.A. | Internal Medicine Physician | Encinitas, CA | 1124721717 |
| 9amhealth Medical Group of New Jersey, P.C. | Internal Medicine Physician | Encinitas, CA | 1134822729 |
| A Better Weigh, M.D. | Internal Medicine Physician | Santa Cruz, CA | 1346651429 |
| A J Klein MD a Professional Corporation | Internal Medicine Physician | Alpine, CA | 1639487150 |
| A KolluruM.D. | Internal Medicine Physician | Burbank, CA | 1598052607 |
| A Nourin, MD, Inc | Internal Medicine Physician | La Mesa, CA | 1942306550 |
| A Plus Walk in Urgent Care | Internal Medicine Physician | Murrieta, CA | 1407210958 |
| A Plus Walk in Urgent Care Medical Clinic Apc | Internal Medicine Physician | Murrieta, CA | 1750456760 |
| A Randolph Pearlstein MD a Medical Corporation | Internal Medicine Physician | Beverly Hills, CA | 1063600443 |
| A Singh MD PC | Internal Medicine Physician | Granite Bay, CA | 1548131634 |
| A&b Medical Clinic Center Inc. | Internal Medicine Physician | Arcadia, CA | 1295581809 |
| A&l Medical Center, Inc. | Internal Medicine Physician | Van Nuys, CA | 1750251344 |
| A. Grant Kingsbury, MD, Inc | Internal Medicine Physician | San Diego, CA | 1588650626 |
| A. M. Memar-Zia MD Inc. | Internal Medicine Physician | Simi Valley, CA | 1912250358 |
| A. Marsh Medical Clinic | Internal Medicine Physician | Los Angeles, CA | 1609269885 |
| Aabed MeerMD | Internal Medicine Physician | Stanford, CA | 1477963726 |
| Aadesh SachdevaM.D. | Internal Medicine Physician | Fountain Valley, CA | 1427277136 |
| Aadhar AdhlakhaM.D. | Internal Medicine Physician | Fresno, CA | 1487091575 |
| Aalap Mehta | Internal Medicine Physician | Downey, CA | 1548837909 |
| Aaliya YaqubM.D. | Internal Medicine Physician | Stanford, CA | 1407100522 |
| Aamra SheikhM.D. | Internal Medicine Physician | Oakland, CA | 1376745125 |
| Aana BrenmanMD | Internal Medicine Physician | San Francisco, CA | 1639257280 |
| Aapi Center of Excellence | Internal Medicine Physician | Los Gatos, CA | 1235943028 |
| Aarati SarikondaPHYSICIAN ASSISTANT | Internal Medicine Physician | Folsom, CA | 1285512913 |
| Aaron C. Chiang, M.D., Inc. | Internal Medicine Physician | Los Angeles, CA | 1902464449 |
| Aaron ChiangM.D. | Internal Medicine Physician | Los Angeles, CA | 1184936379 |
| Aaron DerM.D. | Internal Medicine Physician | Antioch, CA | 1174942130 |
| Aaron Glucksman, MD Inc. | Internal Medicine Physician | Los Angeles, CA | 1447735824 |
| Aaron GoldsteinM.D. | Internal Medicine Physician | Temecula, CA | 1265851109 |
| Aaron I Jeng MD Inc | Internal Medicine Physician | San Gabriel, CA | 1083037014 |
| Aaron JengMD, MPH | Internal Medicine Physician | San Gabriel, CA | 1003053851 |
| Aaron K Tran MD Inc | Internal Medicine Physician | Torrance, CA | 1376824854 |
| Aaron KernMD | Internal Medicine Physician | Lakewood, CA | 1891726725 |
| Aaron LehmanM.D. | Internal Medicine Physician | Ramona, CA | 1184638090 |
| Aaron Miller | Internal Medicine Physician | Sacramento, CA | 1164939161 |
| Aaron Park | Internal Medicine Physician | Kentfield, CA | 1184120792 |
| Aaron RangM.D. | Internal Medicine Physician | San Francisco, CA | 1942234257 |
| Aaron SmithMD | Internal Medicine Physician | Oakland, CA | 1285383976 |
| Aaron ThomasM.D. | Internal Medicine Physician | West Hollywood, CA | 1740523166 |
| Aaron TranM.D. | Internal Medicine Physician | Torrance, CA | 1841453032 |
| Aaron VenableM.D. | Internal Medicine Physician | San Diego, CA | 1407122690 |
| Aaron WilliamsMD | Internal Medicine Physician | Santa Clara, CA | 1982783627 |
| Aaron YuDO | Internal Medicine Physician | Citrus Heights, CA | 1831686575 |
| Aarti MaskeriMD | Internal Medicine Physician | Los Angeles, CA | 1528135357 |
| Aarti SrinivasanM.D. | Internal Medicine Physician | San Jose, CA | 1194732024 |
| Aastha JasrotiaMD | Internal Medicine Physician | Los Angeles, CA | 1871946475 |
| Abalos-Galito Medical Service | Internal Medicine Physician | San Jose, CA | 1982890018 |
| Abayomi A. Odubela, M.D., a Professional Corporation | Internal Medicine Physician | Murrieta, CA | 1619183811 |
| Abayomi OdubelaM.D. | Internal Medicine Physician | Murrieta, CA | 1922108877 |
| Abbas AliM.D | Internal Medicine Physician | Santee, CA | 1104200112 |
| Abbas HasnainM.D., J.D. | Internal Medicine Physician | Fresno, CA | 1164840724 |
| Abbas Hasnain, MD, Jd | Internal Medicine Physician | Fresno, CA | 1124729652 |
| Abbas SedaghatM.D. | Internal Medicine Physician | Vista, CA | 1326089269 |
| Abbid ShahM.D. | Internal Medicine Physician | Fontana, CA | 1710188420 |
| Abdallah Abu-SamrahM.D | Internal Medicine Physician | Palm Springs, CA | 1699031450 |
| Abdel Hafez AlbakriMD | Internal Medicine Physician | Long Beach, CA | 1952920183 |
| Abdelkarim Medical Corporation | Internal Medicine Physician | Norco, CA | 1699241489 |
| Abdol Memar-ZiaMD | Internal Medicine Physician | Simi Valley, CA | 1639122112 |
| Abdollah Yousefzadeh | Internal Medicine Physician | Los Angeles, CA | 1144617481 |
| Abdolreza Nassehzadeh TabrizMD | Internal Medicine Physician | Mountain View, CA | 1912044173 |
| Abdul AhmadyM.D. | Internal Medicine Physician | Sun Valley, CA | 1356385660 |
| Abdul EnayatM.D. | Internal Medicine Physician | Victorville, CA | 1255372181 |
| Abdul Khaliq Alcozie | Internal Medicine Physician | Fresno, CA | 1306406277 |
| Abdul KhanM.D. | Internal Medicine Physician | Manteca, CA | 1053399980 |
| Abdul KhanM.D. | Internal Medicine Physician | Costa Mesa, CA | 1932120797 |
| Abdul Raif JawidM.D | Internal Medicine Physician | Oakland, CA | 1245672815 |
| Abdul Waheed, M.D., Inc. | Internal Medicine Physician | Burbank, CA | 1821140740 |
| Abdulhaadi KhanMD | Internal Medicine Physician | Colton, CA | 1619627510 |
| Abdullah Al DwairiM.D. | Internal Medicine Physician | Chico, CA | 1639170806 |
| Abdullah Firoze AhmedM.D. | Internal Medicine Physician | Santa Monica, CA | 1831539121 |
| Abdullah GhouryMD | Internal Medicine Physician | San Bernardino, CA | 1972715381 |
| Abdulrahman Khaledy SultanMD | Internal Medicine Physician | Los Angeles, CA | 1679682652 |
| Abeer AwadMD | Internal Medicine Physician | Newport Beach, CA | 1467485854 |
| Abel Ketema | Internal Medicine Physician | Oakland, CA | 1326780529 |
| Abha SinghM.B., B.S. | Internal Medicine Physician | La Jolla, CA | 1710144423 |
| Abhijan BanerjeeM.D. | Internal Medicine Physician | San Leandro, CA | 1548292113 |
| Abhijit AdhyeM.D. | Internal Medicine Physician | Napa, CA | 1992763205 |
| Abhishek GadreMD | Internal Medicine Physician | La Jolla, CA | 1013322056 |
| Abhishek GulatiM.D. | Internal Medicine Physician | Fresno, CA | 1629380308 |
| Abhishek TandonMD | Internal Medicine Physician | Fresno, CA | 1841300050 |
| Abid AhmedM.D. | Internal Medicine Physician | Martinez, CA | 1346531001 |
| Abid HussainMD | Internal Medicine Physician | Hemet, CA | 1821157462 |
| Abid Hussain MD PC | Internal Medicine Physician | Hemet, CA | 1346506037 |
| Abigail Ann DomingoNP | Internal Medicine Physician | Inglewood, CA | 1609617786 |
| Abigail KopeckyM.D. | Internal Medicine Physician | Rancho Cordova, CA | 1932427895 |
| Abigail MallerM.D. | Internal Medicine Physician | Burbank, CA | 1013277102 |
| Abigail WilsonM.D. | Internal Medicine Physician | San Francisco, CA | 1871799171 |
| Abiodun ObadinaM.D., | Internal Medicine Physician | Atascadero, CA | 1790852945 |
| Abiola BabawaleDO | Internal Medicine Physician | San Diego, CA | 1841764230 |
| About U MD Wellness | Internal Medicine Physician | Newport Beach, CA | 1831870195 |
| Abraham ChungM.D. | Internal Medicine Physician | Concord, CA | 1104845858 |
| Abraham EskenaziMD | Internal Medicine Physician | San Diego, CA | 1093774168 |
Source: CMS NPPES Data Dissemination (June 2026). Specialty taxonomy: NUCC.
