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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 46–60 of 200 providers
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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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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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Individual (NPI-1) Active

RAMESH KUMAR ARORA M.D.

Internal Medicine, Interventional Cardiology

📍14411 HAMLIN ST, VAN NUYS, CA, 91401

📞 818-994-0616

NPI: 1619964095

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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

DANIEL E ASEMOTA MD

Internal Medicine, Interventional Cardiology

📍127 S SAN VICENTE BLVD STE A3308, LOS ANGELES, CA, 90048

📞 310-967-8426

NPI: 1033616578

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Individual (NPI-1) Active

ALI K ASHTIANI M.D.

Internal Medicine, Cardiovascular Disease

📍700 N TUSTIN AVE, SANTA ANA, CA, 92705

📞 714-245-1444

NPI: 1295155588

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Individual (NPI-1) Active

RAMIN ASSADI MD

Internal Medicine, Interventional Cardiology

📍6633 TELEPHONE RD STE 200, VENTURA, CA, 93003

📞 805-642-8252

NPI: 1942418793

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Individual (NPI-1) Active

SYED AHMED ATHAR M.D.

Internal Medicine, Interventional Cardiology

📍11201 BENTON ST, LOMA LINDA, CA, 92357

📞 909-583-6097

NPI: 1508038597

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Individual (NPI-1) Active

SURABHI MADHWAL ATREJA M.D

Internal Medicine, Interventional Cardiology

📍CARDIOVASCULAR DIVISION, J ELLISON AMBULATORY CARE CENT, SACRAMENTO, CA, 95817

📞 916-734-8425

NPI: 1528233418

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Individual (NPI-1) Active

RICHARD J AXELROD M.D.

Internal Medicine, Cardiovascular Disease

📍2800 L ST, SACRAMENTO, CA, 95816

📞 916-887-4040

NPI: 1437147923

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Individual (NPI-1) Active

ALAEDDIN MOHAMMAD AYYAD MD

Internal Medicine, Interventional Cardiology

📍2780 EUREKA WAY, REDDING, CA, 96001

📞 530-229-0360

NPI: 1548434046

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Individual (NPI-1) Active

SALMAN MOHAMMED AZAM M.D.

Internal Medicine, Interventional Cardiology

📍2841 LOMITA BLVD, TORRANCE, CA, 90505

📞 310-257-0508

NPI: 1962616888

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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