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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 61–75 of 200 providers
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Individual (NPI-1) Active

LAWRENCE W. ANG M.D.

Internal Medicine, Interventional Cardiology

📍200 W ARBOR DR, SAN DIEGO, CA, 92103

📞 858-657-8530

NPI: 1851529879

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Individual (NPI-1) Active

NATTHAPON ANGSUBHAKORN MD

Internal Medicine, Interventional Cardiology

📍38656 MEDICAL CENTER DR STE A, PALMDALE, CA, 93551

📞 661-940-4444

NPI: 1396233193

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Organization (NPI-2) Active

ANITHA RAJAMANICKAM MD APMC

Internal Medicine, Interventional Cardiology

📍3907 WARING RD STE 3, OCEANSIDE, CA, 92056

📞 760-224-7766

NPI: 1104430412

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Individual (NPI-1) Active

RAMTIN ANOUSHEH MD

Internal Medicine, Interventional Cardiology

📍2625 W ALAMEDA AVE STE 102, BURBANK, CA, 91505

📞 818-843-9032

NPI: 1912162199

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Individual (NPI-1) Active

ATHAR MASOOD ANSARI M.D.

Internal Medicine, Interventional Cardiology

📍790 W ORANGE AVE, EL CENTRO, CA, 92243

📞 760-353-3222

NPI: 1477612877

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Individual (NPI-1) Active

DEREK ANTOKU MD

Internal Medicine, Cardiovascular Disease

📍5901 E 7TH ST, LONG BEACH, CA, 90822

📞 562-826-8000

NPI: 1538652680

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Organization (NPI-2) Active

APEX CARDIOLOGY OF SILICON VALLEY A MEDICAL PARTNERSHIP

Internal Medicine, Interventional Cardiology

📍2400 SAMARITAN DR, SAN JOSE, CA, 95124

📞 408-369-7500

NPI: 1841348190

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Individual (NPI-1) Active

DAVID ALAN APPEL MD

Internal Medicine, Interventional Cardiology

📍62 W 7TH AVE STE 450, SPOKANE, WA, 99204

📞 509-455-8820

NPI: 1528285509

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Individual (NPI-1) Active

STEVEN JOHN APPLEBY MD

Internal Medicine, Interventional Cardiology

📍3828 SCHAUFELE AVE, SUITE 250, LONG BEACH, CA, 90808

📞 657-241-9051

NPI: 1629126644

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Individual (NPI-1) Active

JOSEPH ARAGON M.D.

Internal Medicine, Interventional Cardiology

📍317 W PUEBLO ST, SANTA BARBARA, CA, 93105

📞 805-681-1761

NPI: 1023122587

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Individual (NPI-1) Active

MANSOOR AMJAD ARAIN M.D.

Internal Medicine, Interventional Cardiology

📍206 S STRATFORD AVE STE A, SANTA MARIA, CA, 93454

📞 805-928-5767

NPI: 1649531625

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Organization (NPI-2) Active

ARASH VAHDAT MD INC

Internal Medicine, Interventional Cardiology

📍18370 BURBANK BLVD STE 714, TARZANA, CA, 91356

📞 818-665-2065

NPI: 1801035514

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Organization (NPI-2) Active

ARCH HEALTH PARTNERS

Internal Medicine, Cardiovascular Disease

📍15611 POMERADO RD, POWAY, CA, 92064

📞 858-592-2696

NPI: 1851641880

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Individual (NPI-1) Active

AGUSTIN JOHN ARGENAL M.D.

Internal Medicine, Interventional Cardiology

📍2485 HIGH SCHOOL AVE, CONCORD, CA, 94520

📞 925-671-0610

NPI: 1629045372

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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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🗺 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