California · Hematology & Oncology
Hematology & Oncology providers in California.
Real, source-linked Hematology & Oncology providers in California with NPI, location and OIG-LEIE exclusion status — territory-level targeting and credentialing data.
✔ Verified against the public CMS NPPES registry & HHS-OIG LEIE as of Jun 21, 2026. Source-linked, daily-refreshed. Public data only — no PHI.
Hematology & Oncology providers in California
| Provider | Specialty | Location | NPI |
|---|---|---|---|
| A. Marsh Medical Clinic | Internal Medicine | Los Angeles, CA | 1609269885 |
| A. Reddy, M.D, Inc | Internal Medicine, Hematology & Oncology | Merced, CA | 1720200363 |
| Mark S Abate | Internal Medicine, Hematology & Oncology | Santa Barbara, CA | 1588778674 |
| Iman Abdalla | Internal Medicine, Hematology & Oncology | Los Angeles, CA | 1730248311 |
| Haifaa Abdulhaq | Internal Medicine, Hematology & Oncology | Fresno, CA | 1508024647 |
| Nihal Essa Abdulla | Internal Medicine, Hematology & Oncology | Los Alamitos, CA | 1750585345 |
| Mehrad Abedi | Internal Medicine, Hematology & Oncology | Sacramento, CA | 1467459222 |
| Oyewale Oyedeji Abidoye | Internal Medicine, Hematology & Oncology | La Jolla, CA | 1790841815 |
| Mohammed Isaac Abu Zaanona | Internal Medicine, Hematology & Oncology | Santa Barbara, CA | 1922591197 |
| Mohamad Mounir Adada | Internal Medicine, Hematology & Oncology | Roseville, CA | 1528590734 |
| Jesse W. Adams | Internal Medicine, Hematology & Oncology | Sacramento, CA | 1851479554 |
| Thompson Adams | Internal Medicine, Hematology & Oncology | Santa Monica, CA | 1407880891 |
| Camille Adeimy | Internal Medicine, Hematology & Oncology | Upland, CA | 1477785160 |
| David H Adkins | Internal Medicine, Hematology & Oncology | Modesto, CA | 1104883644 |
| Kent Marc-Josef Adler | Internal Medicine, Hematology & Oncology | San Mateo, CA | 1013074632 |
| Mark J Adler | Internal Medicine, Hematology & Oncology | Vista, CA | 1174552533 |
| Adour Richard Adrouny | Internal Medicine, Hematology & Oncology | San Jose, CA | 1447298955 |
| Adventist Health California Medical Group, Inc. | Internal Medicine, Hematology & Oncology | Saint Helena, CA | 1548409675 |
| Adventist Health California Medical Group, Inc. | Internal Medicine | Hidden Valley Lake, CA | 1699054650 |
| Adventist Health California Medical Group, Inc. | Internal Medicine, Hematology & Oncology | Saint Helena, CA | 1811284631 |
| Adventist Health Physicians Network | Internal Medicine, Hematology & Oncology | Chico, CA | 1912465915 |
| Adventist Health Physicians Network | Clinic/Center, Multi-Specialty | Hidden Valley Lake, CA | 1124325220 |
| Adventist Health Physicians Network | Internal Medicine, Hematology & Oncology | Simi Valley, CA | 1629311543 |
| Adventist Health Physicians Network | Internal Medicine, Hematology & Oncology | Thousand Oaks, CA | 1841666534 |
| Adventist Health Physicians Network | Internal Medicine, Hematology & Oncology | Chico, CA | 1649736687 |
| Adventist Health Physicians Network | Physical Therapist | Chico, CA | 1396203451 |
| Adventist Health Physicians Network | Internal Medicine, Hematology & Oncology | Bakersfield, CA | 1053791970 |
| Adventist Health Physicians Network | Internal Medicine, Hematology & Oncology | Thousand Oaks, CA | 1871923631 |
| Adventist Health Physicians Network | Internal Medicine, Hematology & Oncology | Glendale, CA | 1083347835 |
| Affiliated Oncologists, Llc | Internal Medicine, Medical Oncology | Oak Lawn, IL | 1225314362 |
| Richy Agajanian | Internal Medicine, Hematology & Oncology | Downey, CA | 1922116664 |
| Vandana Agarwal | Internal Medicine, Hematology & Oncology | Pomona, CA | 1134124548 |
| Sangeeta Aggarwal | Internal Medicine | San Jose, CA | 1225008394 |
| Neeraj Agnihotri | Internal Medicine, Hematology & Oncology | Palmdale, CA | 1598951873 |
| Vaibhav Agrawal | Internal Medicine, Hematology & Oncology | Duarte, CA | 1538402565 |
| Arshad Ahad | Internal Medicine, Hematology & Oncology | Torrance, CA | 1487647293 |
| Rohan Ahluwalia | Internal Medicine, Hematology & Oncology | Santa Cruz, CA | 1053632356 |
| Delshad Ahmad | Internal Medicine, Hematology & Oncology | Rancho Mirage, CA | 1043508666 |
| Rafi Syed Ahmed | Internal Medicine, Hematology & Oncology | Irvine, CA | 1205093028 |
| Samina Ahmed | Internal Medicine, Hematology & Oncology | Santa Clara, CA | 1114180197 |
| Syed Hasnat Ahmed | Internal Medicine, Hematology & Oncology | El Centro, CA | 1023123288 |
| Jeffrey Ahn | Internal Medicine, Hematology & Oncology | Orange, CA | 1902331630 |
| Ajay Verma M.D. Inc | Internal Medicine, Hematology & Oncology | Redding, CA | 1275645301 |
| Gorgun Akpek | Internal Medicine, Hematology & Oncology | San Luis Obispo, CA | 1124068515 |
| Kadhim Al Banaa | Internal Medicine, Hematology & Oncology | San Diego, CA | 1548790041 |
| Mhd Monzr Al Malki | Internal Medicine, Hematology | Duarte, CA | 1043489362 |
| Ajlan Al Zaki | Internal Medicine, Hematology & Oncology | Houston, TX | 1992201719 |
| Ghassan Al-Jazayrly | Internal Medicine, Hematology & Oncology | Los Angeles, CA | 1679590566 |
| Ebaa Al-Obeidi | Internal Medicine, Hematology & Oncology | Sacramento, CA | 1619472693 |
| Alaa M. Latif, M.D., Inc. | Internal Medicine, Hematology & Oncology | Pomona, CA | 1710187448 |
| Alborz Alali | Internal Medicine, Hematology & Oncology | Woodland, CA | 1265458640 |
| Juan M Alcantar | Internal Medicine, Hematology & Oncology | Porter Ranch, CA | 1972658540 |
| Ibrahim Taha Aldoss | Internal Medicine, Hematology | Duarte, CA | 1861692485 |
| Alecto Healthcare Services Wheeling Llc | Internal Medicine | Wheeling, WV | 1265967681 |
| Edward Robert Alexson | Internal Medicine, Hematology & Oncology | Santa Ana, CA | 1154363141 |
| Alain Algazi | Internal Medicine, Hematology & Oncology | San Francisco, CA | 1821289794 |
| Haris Ali | Internal Medicine, Hematology | Duarte, CA | 1467672907 |
| Mir M Ali | Internal Medicine, Hematology & Oncology | Libertyville, IL | 1518237585 |
| Sami Mohammed Ali | Internal Medicine, Hematology & Oncology | Snellville, GA | 1821382250 |
| Sarah Ali | Internal Medicine, Hematology & Oncology | Mission Hills, CA | 1558547588 |
Get this segment as data — and get alerted the day a provider here is excluded
Bulk provider export (NPI, specialty, location, license) for Hematology & Oncology providers in California via JSON/CSV API or MCP — plus continuous OIG-LEIE exclusion screening and a new-exclusion alert feed for this segment. Med-device/pharma territory targeting, staffing & credentialing, payor network compliance.