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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 151–165 of 200 providers
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Individual (NPI-1) Active

REZA ARDEHALI MD, PhD

Internal Medicine

📍7200 CAMBRIDGE ST FL 6, HOUSTON, TX, 77030

📞 713-798-2545

NPI: 1104005370

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Individual (NPI-1) Active

MEHRDAD KEVIN ARIANI

Internal Medicine, Interventional Cardiology

📍18350 ROSCOE BL, NORTHRIDGE, CA, 91325

📞 818-678-4900

NPI: 1942496211

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Individual (NPI-1) Active

KHALIDA ARIF MD

Internal Medicine, Cardiovascular Disease

📍1520 SAN PABLO ST STE 1000, LOS ANGELES, CA, 90033

📞 323-442-5100

NPI: 1497384267

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Individual (NPI-1) Active

TALI HUSEYIN ARIK MD

Internal Medicine, Cardiovascular Disease

📍2780 EUREKA WAY, REDDING, CA, 96001

📞 530-229-0360

NPI: 1295755734

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Individual (NPI-1) Active

RALUCA BRINDUSA ARIMIE MD

Internal Medicine, Cardiovascular Disease

📍7325 MEDICAL CENTER DR STE 306, WEST HILLS, CA, 91307

📞 818-710-8045

NPI: 1295760395

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Individual (NPI-1) Active

RIMA ARNAOUT M.D.

Internal Medicine, Cardiovascular Disease

📍521 PARNASSUS AVE RM 6222, SAN FRANCISCO, CA, 94143

📞 415-407-6180

NPI: 1871798470

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Individual (NPI-1) Active

STEPHEN B. ARNOLD M.D.

Internal Medicine, Cardiovascular Disease

📍2101 VALE RD, SAN PABLO, CA, 94806

📞 510-233-9300

NPI: 1023021680

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Individual (NPI-1) Active

RAVEEN RAMESH ARORA M.D.

Internal Medicine, Cardiovascular Disease

📍1712 W MEDICAL CENTER DR, ANAHEIM, CA, 92801

📞 714-491-7200

NPI: 1164483244

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Individual (NPI-1) Active

ARVIN ARTHUR MD

Internal Medicine, Cardiovascular Disease

📍5301 F STREET, SACRAMENTO, CA, 95819

📞 916-452-2011

NPI: 1841243532

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Individual (NPI-1) Active

SAMIR G ARTOUL MD

Internal Medicine, Cardiovascular Disease

📍3000 Q ST, SACRAMENTO, CA, 95816

📞 949-690-1808

NPI: 1245269190

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Individual (NPI-1) Active

PARVATANENI ARUN M.D.

Internal Medicine, Cardiovascular Disease

📍2776 PACIFIC AVE, LONG BEACH, CA, 90806

📞 562-595-1911

NPI: 1538111547

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Individual (NPI-1) Active

SIVA ARUNASALAM M D

Internal Medicine, Cardiovascular Disease

📍12780 HESPERIA RD, VICTORVILLE, CA, 92395

📞 760-946-5177

NPI: 1609806041

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Individual (NPI-1) Active

ARASH ARYANA M.D.

Internal Medicine, Clinical Cardiac Electrophysiology

📍3941 J ST, SACRAMENTO, CA, 95819

📞 916-736-2323

NPI: 1548279672

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Individual (NPI-1) Active

MIRO ASADOURIAN MD

Internal Medicine, Cardiovascular Disease

📍1200 N STATE ST ROOM A7D LOS ANGELES CA, LOS ANGELES, CA, 90033

📞 323-442-6130

NPI: 1124587274

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Individual (NPI-1) Active

FAYAZ ASGHAR md

Internal Medicine, Cardiovascular Disease

📍135 N JACKSON AVE, SAN JOSE, CA, 95116

📞 408-926-1202

NPI: 1356530406

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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