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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

THOMAS T AOKI MD

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍4150 V ST, SACRAMENTO, CA, 95817

📞 916-734-3730

NPI: 1730151655

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Individual (NPI-1) Active

RUBINA AQEEL M.D.

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍1183 E FOOTHILL BLVD, UPLAND, CA, 91786

📞 909-579-6466

NPI: 1407972490

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Individual (NPI-1) Active

ROXANNE LUCAS AQUINO MD

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍3733 SAN DIMAS ST, BAKERSFIELD, CA, 93301

📞 800-353-5400

NPI: 1437226370

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Individual (NPI-1) Active

RICHARD FUMITSUGU ARAKAKI MD

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍4212 N 16TH ST, PHOENIX, AZ, 85016

📞 602-263-1200

NPI: 1093702656

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Individual (NPI-1) Active

MARIA FLORDELIZ ARAMBULO MD

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍2823 FRESNO ST, FRESNO, CA, 93721

📞 559-499-6484

NPI: 1013169986

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Individual (NPI-1) Active

KATHERINE ANDREA ARAQUE TRIANA M.D.

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍2125 ARIZONA AVE, SANTA MONICA, CA, 90404

📞 310-829-8751

NPI: 1144656430

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Individual (NPI-1) Active

AARTHI ARASU MD

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍3445 PACIFIC COAST HWY STE 100, TORRANCE, CA, 90505

📞 310-542-6333

NPI: 1326218249

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Individual (NPI-1) Active

ALHELI ARCE GASTELUM M.D.

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍302 FRESNO ST STE 101, FRESNO, CA, 93706

📞 559-457-5700

NPI: 1164909735

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Individual (NPI-1) Active

GEORGES MAXIME ARGOUD M.D.

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍351 SANTA FE DR STE 240, ENCINITAS, CA, 92024

📞 858-704-4151

NPI: 1144303538

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Individual (NPI-1) Active

LISA B ARIAN MD

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍7930 FROST ST, SAN DIEGO, CA, 92123

📞 858-277-0696

NPI: 1922110717

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Individual (NPI-1) Active

DANIT ARIEL MD

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍300 PASTEUR DR, STANFORD, CA, 94305

📞 650-723-4000

NPI: 1528248267

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Individual (NPI-1) Active

VANITA R ARODA MD

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍221 LONGWOOD AVE, BOSTON, MA, 02115

📞 617-732-5666

NPI: 1588748883

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Individual (NPI-1) Active

PUNEET S ARORA MD

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍11250 EL CAMINO REAL STE 100, SAN DIEGO, CA, 92130

📞 858-410-0266

NPI: 1164484960

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Individual (NPI-1) Active

TANIA AROUS MD

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍11370 ANDERSON ST # 3400, LOMA LINDA, CA, 92354

📞 909-558-2838

NPI: 1114468360

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Individual (NPI-1) Active

ANNA GABRIELA ARTEAGA GARCIA NP

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍9846 FOSTER RD, BELLFLOWER, CA, 90706

📞 323-787-8150

NPI: 1043176118

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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