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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 166–180 of 200 providers
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Organization (NPI-2) Active

LA CARDIOLOGY, INC.

Internal Medicine, Interventional Cardiology

📍11544 DOWNEY AVE, DOWNEY, CA, 90241

📞 562-414-9846

NPI: 1083259220

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Organization (NPI-2) Active

LA MESA CARDIAC CENTER, A MEDICAL GROUP

Internal Medicine, Interventional Cardiology

📍5565 GROSSMONT CENTER DR, LA MESA, CA, 91942

📞 619-462-9353

NPI: 1689712861

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Organization (NPI-2) Active

LOS ANGELES CARDIOLOGY ASSOCIATES

Internal Medicine, Interventional Cardiology

📍1245 WILSHIRE BLVD, LOS ANGELES, CA, 90017

📞 213-977-0419

NPI: 1962468983

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Organization (NPI-2) Active

LOS ANGELES CARDIOLOGY ASSOCIATES

Internal Medicine, Interventional Cardiology

📍685 N 13TH AVE, UPLAND, CA, 91786

📞 909-949-3977

NPI: 1407809791

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Organization (NPI-2) Active

LOS ANGELES CARDIOLOGY ASSOCIATES

Internal Medicine, Interventional Cardiology

📍399 E HIGHLAND AVE, SAN BERNARDINO, CA, 92404

📞 909-883-5315

NPI: 1316990609

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Organization (NPI-2) Active

LOS ANGELES CARDIOVASCULAR CARE

Internal Medicine, Cardiovascular Disease

📍50 BELLEFONTAINE ST STE 302, PASADENA, CA, 91105

📞 626-427-7041

NPI: 1285228056

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Organization (NPI-2) Active

MANI NALLASIVAN M D INC A PROFESSIONAL CORPORATION

Internal Medicine, Interventional Cardiology

📍424 E YOSEMITE AVE, MERCED, CA, 95340

📞 209-383-3456

NPI: 1982977054

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Organization (NPI-2) Active

MANSHADI HEART INSTITUTE INC

Internal Medicine, Interventional Cardiology

📍2633 PACIFIC AVE, STOCKTON, CA, 95204

📞 209-944-5530

NPI: 1225380603

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Organization (NPI-2) Active

MARGARET LEILA RASOULI MD INC

Internal Medicine, Interventional Cardiology

📍24411 HEALTH CENTER DR, LAGUNA HILLS, CA, 92653

📞 949-600-7228

NPI: 1699009258

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Organization (NPI-2) Active

MARIN HEALTHCARE DISTRICT

Internal Medicine, Cardiovascular Disease

📍2 BON AIR RD, LARKSPUR, CA, 94939

📞 415-927-0666

NPI: 1164795829

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Organization (NPI-2) Active

MARK LURIE MD INC

Internal Medicine, Interventional Cardiology

📍3475 TORRANCE BLVD, TORRANCE, CA, 90503

📞 310-370-3568

NPI: 1396962957

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Organization (NPI-2) Active

MARK P. MILLER, M.D.,INC.

Internal Medicine, Interventional Cardiology

📍1211 W LA PALMA AVE, ANAHEIM, CA, 92801

📞 714-635-9680

NPI: 1518154343

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Organization (NPI-2) Active

MARSHALL MEDICAL CENTER

Internal Medicine, Interventional Cardiology

📍1004 FOWLER WAY, PLACERVILLE, CA, 95667

📞 530-626-9488

NPI: 1215181664

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Organization (NPI-2) Active

MEHRDAD KEVIN ARIANI MD INC

Internal Medicine, Cardiovascular Disease

📍18350 ROSCOE BLVD, NORTHRIDGE, CA, 91325

📞 818-678-4900

NPI: 1174553218

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Organization (NPI-2) Active

MERCED VC

Internal Medicine, Interventional Cardiology

📍310 MERCY AVE STE B, MERCED, CA, 95340

📞 209-395-2732

NPI: 1427811546

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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