99 NPI-registered Research Study Specialist providers practice in California. See all states.
| Provider | Specialty | Location | NPI |
|---|---|---|---|
| Ajit VarkiMBBS | Research Study Specialist | La Jolla, CA | 1023676632 |
| Alan SmithPHD, MPH | Research Study Specialist | San Diego, CA | 1245359397 |
| Albert Garcia | Research Study Specialist | Granada Hills, CA | 1891655973 |
| Albert LeeM.D. | Research Study Specialist | Sylmar, CA | 1205387420 |
| Alicia Ingram | Research Study Specialist | Campbell, CA | 1497054753 |
| Alysa Piar | Research Study Specialist | Los Angeles, CA | 1740031103 |
| Andrew Somers | Research Study Specialist | Hollywood, CA | 1730701640 |
| Anthony GolsorkhiMD | Research Study Specialist | San Francisco, CA | 1669339776 |
| Ashley Dargert | Research Study Specialist | Gilroy, CA | 1619625340 |
| Axel Guzman | Research Study Specialist | Oakland, CA | 1689381972 |
| Barbara HolshouserPHD | Research Study Specialist | Loma Linda, CA | 1659545531 |
| Bradley PollockPHD, MPH | Research Study Specialist | Davis, CA | 1801724158 |
| Brianna Bekier | Research Study Specialist | Anaheim, CA | 1831478825 |
| Bryant BorihanePHD | Research Study Specialist | Pomona, CA | 1609209303 |
| Carl Johnson | Research Study Specialist | Claremont, CA | 1750077855 |
| Center for Neurological Study | Research Study Specialist | La Jolla, CA | 1053424432 |
| Clifford Stevenson | Research Study Specialist | Alamo, CA | 1194235200 |
| Coordinated Clinical Research | Research Study Specialist | La Jolla, CA | 1215040688 |
| Coshire Medical Group Inc | Research Study Specialist | Los Gatos, CA | 1144667429 |
| Courtney StephensMBA | Research Study Specialist | Long Beach, CA | 1093099632 |
| Diego SchiffinoMD | Research Study Specialist | Agoura Hills, CA | 1417824426 |
| Donna MetzPHD | Research Study Specialist | Alhambra, CA | 1467785238 |
| Dr. Regina Granados, Incorporated | Research Study Specialist | Roseville, CA | 1386909265 |
| Fabian Sanchis GomarMD, PHD | Research Study Specialist | San Jose, CA | 1346007226 |
| Fateme Nateghi Haredasht | Research Study Specialist | Palo Alto, CA | 1497600225 |
| Filipinas Vitug | Research Study Specialist | Buena Park, CA | 1396162145 |
| Geliya Kudryavtseva | Research Study Specialist | Palo Alto, CA | 1053265744 |
| Giovanni CacciamaniMD | Research Study Specialist | Los Angeles, CA | 1104548650 |
| Global Clinical Trials, LLC | Research Study Specialist | Irvine, CA | 1124415724 |
| Global Research Management, Inc | Research Study Specialist | Glendale, CA | 1205176690 |
| Hiroshi Ito | Research Study Specialist | Palo Alto, CA | 1790966869 |
| Ignacio Baselga | Research Study Specialist | Venice, CA | 1427910173 |
| Irina Kashuba | Research Study Specialist | Huntington Beach, CA | 1932067956 |
| Isaiah Soroten | Research Study Specialist | Dublin, CA | 1326896838 |
| Jaimie DavisPHD, RD | Research Study Specialist | Los Angeles, CA | 1174754469 |
| James BerensonM.D. | Research Study Specialist | West Hollywood, CA | 1124051560 |
| Jamie DananbergMD | Research Study Specialist | Brisbane, CA | 1134648397 |
| Jasenka OrionM.A. | Research Study Specialist | San Bernardino, CA | 1720330798 |
| Jerome Goldstein MD a Professional Corp | Research Study Specialist | San Francisco, CA | 1790211928 |
| John J Speidel | Research Study Specialist | Foster City, CA | 1912457425 |
| John Rivie | Research Study Specialist | San Francisco, CA | 1801217484 |
| Jon HaberPHD | Research Study Specialist | Menlo Park, CA | 1053556142 |
| Jonathan LeffM.D. | Research Study Specialist | Menlo Park, CA | 1538407721 |
| Joseph Paulson | Research Study Specialist | San Francisco, CA | 1275382277 |
| Juan Martinez | Research Study Specialist | Los Angeles, CA | 1861337859 |
| Kathie DalessandriM.D. | Research Study Specialist | Point Reyes Station, CA | 1184991366 |
| Kenneth KernMD | Research Study Specialist | San Diego, CA | 1295993459 |
| Kenneth KrantzM.D., PHD. | Research Study Specialist | San Mateo, CA | 1073987087 |
| Kristen AiemjoyPHD | Research Study Specialist | Davis, CA | 1245197185 |
| Kristina LaiMPH | Research Study Specialist | Davis, CA | 1396699757 |
| Lars OsterbergMD | Research Study Specialist | Palo Alto, CA | 1538100243 |
| Laura RomoMPH | Research Study Specialist | San Francisco, CA | 1093259012 |
| Laurel Te Velde | Research Study Specialist | Novato, CA | 1568079887 |
| Lena WalkerSTUDENT | Research Study Specialist | Pomona, CA | 1093913121 |
| Lisa DuncanBUSINESS OWNER | Research Study Specialist | Antioch, CA | 1689495921 |
| M. Arthur Charles, M.D. | Research Study Specialist | Tustin, CA | 1316052012 |
| Maksym KuchmaMD, PHD | Research Study Specialist | Glendale, CA | 1245195718 |
| Manuel MarroquinCDM | Research Study Specialist | Los Angeles, CA | 1164398608 |
| Mariella SimonMS CGC | Research Study Specialist | Irvine, CA | 1235154485 |
| Marilyn DouglasDNSC, RN, FAAN | Research Study Specialist | Palo Alto, CA | 1326269960 |
| Martha ShumwayPH.D. | Research Study Specialist | San Francisco, CA | 1376967455 |
| Marzia RigolliMD, DPHIL | Research Study Specialist | San Diego, CA | 1104788090 |
| Michael GoranPHD | Research Study Specialist | Los Angeles, CA | 1639300940 |
| Michael JensenMD | Research Study Specialist | Duarte, CA | 1609064625 |
| Michael RudermanDO, MPH | Research Study Specialist | Oakland, CA | 1902259880 |
| Monica LopezMA | Research Study Specialist | Montebello, CA | 1518625110 |
| Naama Barnea-GoralyM.D. | Research Study Specialist | Menlo Park, CA | 1205372315 |
| Neda ShokraiMD | Research Study Specialist | Foster City, CA | 1629380829 |
| Nicholas ZoffelPH.D. | Research Study Specialist | Sacramento, CA | 1124874748 |
| Olusola SanwoM.D., MPH | Research Study Specialist | Long Beach, CA | 1881847663 |
| Pharmacology Research Institute | Research Study Specialist | Newport Beach, CA | 1124462411 |
| Philip JochelsonM.D. | Research Study Specialist | Foster City, CA | 1982046231 |
| Physicians Clinical Research, LLC | Research Study Specialist | Long Beach, CA | 1194199109 |
| Probe Clinical Research Corporation | Research Study Specialist | Santa Ana, CA | 1942579032 |
| Robert Contreras | Research Study Specialist | Los Angeles, CA | 1841620333 |
| Robert KernPHD | Research Study Specialist | Los Angeles, CA | 1932201969 |
| Roshan SwaroopMS | Research Study Specialist | Stanford, CA | 1952246092 |
| Sebastian Pintea | Research Study Specialist | Palo Alto, CA | 1548133309 |
| Seyed Hosseini | Research Study Specialist | Palo Alto, CA | 1255212742 |
| Sierra Clinical Trials & Research Organization, Inc | Research Study Specialist | Santa Ana, CA | 1619218237 |
| Simranjit KaurMPH | Research Study Specialist | Yuba City, CA | 1053126615 |
| Spectrum Clinical Research Institute Inc | Research Study Specialist | Moreno Valley, CA | 1326315573 |
| Spencer WilliamsB.A. | Research Study Specialist | San Francisco, CA | 1790806362 |
| Stefanie BlancoTEACHING CREDENTIAL | Research Study Specialist | San Jose, CA | 1306978598 |
| Steinel University Medical Center | Research Study Specialist | San Francisco, CA | 1881383537 |
| Sye-Ok Sato | Research Study Specialist | Oakland, CA | 1003344847 |
| Tara Smith | Research Study Specialist | Carpinteria, CA | 1124970165 |
| Thomas MossM.D. | Research Study Specialist | Van Nuys, CA | 1558783712 |
| Timothy MccallM.D. | Research Study Specialist | Oakland, CA | 1326376336 |
| United Clinical Research Inc. | Research Study Specialist | Huntington Park, CA | 1700318813 |
| Victory Imaging Network, Inc. | Research Study Specialist | Glendale, CA | 1578889531 |
| Vladimir DranovskiyMD | Research Study Specialist | Long Beach, CA | 1093996068 |
| Vu PhungMD | Research Study Specialist | Bakersfield, CA | 1063127934 |
| Westview Clinical Research, LLC | Research Study Specialist | Placentia, CA | 1043697170 |
| William LangM.D. | Research Study Specialist | Mill Valley, CA | 1326445065 |
| Xin Zhang | Research Study Specialist | San Jose, CA | 1598206732 |
| Yaritza SantosMD | Research Study Specialist | Bakersfield, CA | 1154145100 |
| Yoko OnoM.D. | Research Study Specialist | Sacramento, CA | 1699006049 |
| Yu Nakamura | Research Study Specialist | Palo Alto, CA | 1962348623 |
Source: CMS NPPES Data Dissemination (June 2026). Specialty taxonomy: NUCC.
