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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 136–150 of 200 providers
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Individual (NPI-1) Active

KEITH A AYRONS M.D.

Internal Medicine, Hematology & Oncology

📍1325 E CHURCH ST STE 301, SANTA MARIA, CA, 93454

📞 805-349-9393

NPI: 1831143775

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Individual (NPI-1) Active

RAJESHWARI AYYAR MD

Internal Medicine, Medical Oncology

📍2589 SAMARITAN DR, SAN JOSE, CA, 95124

📞 408-426-4900

NPI: 1871670703

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Individual (NPI-1) Active

ASHRAF R. AZIZ MD

Internal Medicine, Hematology & Oncology

📍441 N LAKEVIEW AVE, ANAHEIM, CA, 92807

📞 888-988-2800

NPI: 1386715365

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Individual (NPI-1) Active

SHEHZAD AZIZ M.D.

Internal Medicine, Hematology & Oncology

📍505 E ROMIE LN, SALINAS, CA, 93901

📞 831-755-1701

NPI: 1295732410

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Individual (NPI-1) Active

KAVYA BABU MD

Internal Medicine

📍2279 45TH ST, SACRAMENTO, CA, 95817

📞 916-734-5959

NPI: 1922682392

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Individual (NPI-1) Active

SIMON BACKER MD

Pathology, Anatomic Pathology & Clinical Pathology

📍14445 OLIVE VIEW DR, SYLMAR, CA, 91342

📞 747-210-4534

NPI: 1487283925

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Individual (NPI-1) Active

NIKITA VASHI BACLIG M.D.

Internal Medicine, Hematology & Oncology

📍2020 SANTA MONICA BLVD STE 580, SANTA MONICA, CA, 90404

📞 310-829-5471

NPI: 1649632696

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Individual (NPI-1) Active

DAVID M. BAER MD

Internal Medicine, Hematology & Oncology

📍275 W MACARTHUR BLVD, OAKLAND, CA, 94611

📞 510-752-1000

NPI: 1780762575

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Individual (NPI-1) Active

RAJESH K BAGAI MD

Internal Medicine, Hematology & Oncology

📍5810 W BEVERLY LN, GLENDALE, AZ, 85306

📞 623-312-3000

NPI: 1306866736

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Individual (NPI-1) Active

RAKESH KUMAR BAGAI M.D.

Internal Medicine, Hematology & Oncology

📍8880 E DESERT COVE AVE, SCOTTSDALE, AZ, 85260

📞 480-314-6670

NPI: 1114182888

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Individual (NPI-1) Active

BORIS BAGDASARIAN D.O.

Internal Medicine, Hematology & Oncology

📍1505 WILSON TER, GLENDALE, CA, 91206

📞 818-409-0105

NPI: 1598758062

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Individual (NPI-1) Active

DILPRIT BAGGA MD

Internal Medicine, Hematology & Oncology

📍11333 SEPULVEDA BLVD, MISSION HILLS, CA, 91345

📞 818-837-5757

NPI: 1427262757

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Individual (NPI-1) Active

ALI BAGHIAN M.D

Internal Medicine, Hematology

📍450 BROOKLINE AVE, BOSTON, MA, 02215

📞 617-632-3446

NPI: 1083935878

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Individual (NPI-1) Active

BAHAREH BAHADINI MD

Internal Medicine, Hematology & Oncology

📍425 HAALAND DR STE 101, THOUSAND OAKS, CA, 91361

📞 805-496-2949

NPI: 1295734614

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Individual (NPI-1) Active

WEI BAI MD

Internal Medicine, Hematology & Oncology

📍1325 E CHURCH ST STE 301, SANTA MARIA, CA, 93454

📞 805-349-9393

NPI: 1053567545

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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