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Healthcare Providers in California

Find doctors, hospitals, and clinics in California from the official NPPES NPI Registry. We found 200 providers in this listing.

200 Providers Found Data from NPPES NPI Registry Updated 2026
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All Providers Doctors Hospitals & Clinics
Showing 31–45 of 200 providers
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Organization (NPI-2) Active

ADVENTIST HEALTH PHYSICIANS NETWORK

Internal Medicine, Hematology & Oncology

📍227 W JANSS RD, THOUSAND OAKS, CA, 91360

📞 805-496-2949

NPI: 1871923631

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Organization (NPI-2) Active

ADVENTIST HEALTH PHYSICIANS NETWORK

Internal Medicine, Hematology & Oncology

📍1505 WILSON TER STE 370, GLENDALE, CA, 91206

📞 818-630-8680

NPI: 1083347835

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Organization (NPI-2) Active

AFFILIATED ONCOLOGISTS, LLC

Internal Medicine, Medical Oncology

📍4400 W 95TH ST, OAK LAWN, IL, 60453

📞 310-335-4000

NPI: 1225314362

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Individual (NPI-1) Active

MICHELLE AFKHAMI M.D.

Pathology, Hematology

📍1500 DUARTE RD, DUARTE, CA, 91010

📞 310-748-0337

NPI: 1326230228

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Individual (NPI-1) Active

RICHY AGAJANIAN M.D.

Internal Medicine, Hematology & Oncology

📍11480 BROOKSHIRE AVE, DOWNEY, CA, 90241

📞 562-869-1201

NPI: 1922116664

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Individual (NPI-1) Active

VANDANA AGARWAL MD

Internal Medicine, Hematology & Oncology

📍350 VINTON AVE STE 101, POMONA, CA, 91767

📞 909-620-5502

NPI: 1134124548

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Individual (NPI-1) Active

SALLY S AGERSBORG M.D., Ph.D.

Pathology, Hematology

📍175 TECHNOLOGY DR, IRVINE, CA, 92618

📞 949-540-9421

NPI: 1053505743

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Individual (NPI-1) Active

SANGEETA AGGARWAL MD

Internal Medicine

📍751 S BASCOM AVE, SAN JOSE, CA, 95128

📞 408-885-5000

NPI: 1225008394

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Individual (NPI-1) Active

NEERAJ AGNIHOTRI MD

Internal Medicine, Hematology & Oncology

📍38660 MEDICAL CENTER DR, PALMDALE, CA, 93551

📞 661-948-5928

NPI: 1598951873

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Individual (NPI-1) Active

RENUKA AGRAWAL M.D.

Pathology, Anatomic Pathology & Clinical Pathology

📍31 COLUMBIA, ALISO VIEJO, CA, 92656

📞 949-643-7460

NPI: 1174733059

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Individual (NPI-1) Active

VAIBHAV AGRAWAL M.D.

Internal Medicine, Hematology & Oncology

📍1500 DUARTE RD, DUARTE, CA, 91010

📞 626-256-4673

NPI: 1538402565

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Individual (NPI-1) Active

ARSHAD AHAD MD

Internal Medicine, Hematology & Oncology

📍23441 MADISON ST STE 215, TORRANCE, CA, 90505

📞 424-375-7209

NPI: 1487647293

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Individual (NPI-1) Active

ROHAN AHLUWALIA

Internal Medicine, Hematology & Oncology

📍2850 COMMERCIAL XING, SANTA CRUZ, CA, 95065

📞 831-460-7555

NPI: 1053632356

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Individual (NPI-1) Active

DELSHAD AHMAD MD

Internal Medicine, Hematology & Oncology

📍39000 BOB HOPE DR, RANCHO MIRAGE, CA, 92270

📞 760-346-7655

NPI: 1043508666

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Individual (NPI-1) Active

RAFI SYED AHMED MD

Internal Medicine, Hematology & Oncology

📍16105 SAND CANYON AVE STE 230, IRVINE, CA, 92618

📞 949-764-4060

NPI: 1205093028

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🗺 Cities in California

📍 Los Angeles 📍 San Diego 📍 San Jose 📍 San Francisco 📍 Fresno 📍 Sacramento 📍 Long Beach 📍 Oakland 📍 Bakersfield 📍 Anaheim 📍 Stockton 📍 Riverside 📍 Santa Ana 📍 Irvine 📍 Chula Vista 📍 Fremont 📍 San Bernardino 📍 Modesto 📍 Moreno Valley 📍 Huntington Beach

📊 Quick Stats

Providers Listed 200
Cities Found 20
State California
Source NPPES NPI Registry

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Healthcare in California

California operates the largest state healthcare system in the United States, serving nearly 40 million residents across a diverse landscape of urban megacities, agricultural valleys, and remote mountain communities. The state is home to world-renowned medical institutions including UCSF Medical Center, Cedars-Sinai Medical Center, Stanford Health Care, UCLA Health, and the Scripps Health system in San Diego. These institutions consistently rank among the nation's best for cancer care, neurology, cardiology, and transplant medicine.

California's Medi-Cal program is the largest Medicaid program in the country, covering over 14 million low-income Californians. The state has been a national leader in expanding coverage, and recent reforms have extended Medi-Cal eligibility to all income-eligible adults regardless of immigration status. The Covered California marketplace (coveredca.gov) offers subsidized private insurance plans for those who do not qualify for Medi-Cal.

Despite its healthcare wealth, California faces significant disparities in access. Rural counties in the Central Valley and Northern California have severe physician shortages, and many communities lack specialists entirely. The California Department of Health Care Services (DHCS) (dhcs.ca.gov) oversees Medi-Cal and public health programs, while the California Medical Board (mbc.ca.gov) licenses and disciplines physicians.

California has been a pioneer in telehealth legislation, requiring insurers to cover telehealth services at parity with in-person visits, significantly improving access for rural and underserved populations.

Frequently Asked Questions — California Healthcare