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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 121–135 of 200 providers
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Individual (NPI-1) Active

MICHAEL DAVID ALLEN O.D.

Optometrist

📍1356 E MAIN ST STE A, BARSTOW, CA, 92311

📞 760-256-8014

NPI: 1629003447

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Individual (NPI-1) Active

THOMAS A ALLER O.D.

Optometrist

📍648 JENEVEIN AVE, SAN BRUNO, CA, 94066

📞 650-871-1816

NPI: 1366431330

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Individual (NPI-1) Active

JASON ALLGEIER OD

Optometrist

📍3133 PROFESSIONAL DR STE 14, AUBURN, CA, 95603

📞 530-888-0670

NPI: 1366923740

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Individual (NPI-1) Active

JEFFREY VERNE ALLGEIER O.D.

Optometrist

📍3133 PROFESSIONAL DR STE 14, AUBURN, CA, 95603

📞 530-888-0670

NPI: 1821177858

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Individual (NPI-1) Active

JOSEPH ELOM ALLOTEY OD

Optometrist

📍811 NE ALSBURY BLVD STE 100, BURLESON, TX, 76028

📞 817-231-7131

NPI: 1720905391

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Individual (NPI-1) Active

C. TROY ALLRED OD

Optometrist

📍1601 E CHAPMAN AVE, FULLERTON, CA, 92831

📞 714-526-5515

NPI: 1114914876

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Individual (NPI-1) Active

ELY R ALMALEH OD

Optometrist

📍441 N LAKEVIEW AVE, ANAHEIM, CA, 92807

📞 888-988-2800

NPI: 1033267059

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Individual (NPI-1) Active

DIANE MARIE ALMANZA O.D.

Optometrist

📍400 W LAMBERT RD STE A, BREA, CA, 92821

📞 714-671-2020

NPI: 1790823839

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Individual (NPI-1) Active

JAMES WILLIAM ALMARAZ O D

Optometrist

📍41340 BIG BEAR BLVD, BIG BEAR LAKE, CA, 92315

📞 909-866-5701

NPI: 1710977574

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Individual (NPI-1) Active

ANGINEH ALMASI O.D.

Optometrist

📍477 E COLORADO BLVD, PASADENA, CA, 91101

📞 626-796-1191

NPI: 1760788632

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Individual (NPI-1) Active

SUSAN UNG ALMAZAN O.D.

Optometrist

📍1011 BALDWIN PARK BLVD, BALDWIN PARK, CA, 91706

📞 626-851-1011

NPI: 1356655450

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Individual (NPI-1) Active

ADRIEN MARKUS ALMONTE OD

Optometrist

📍500 TAMAL PLZ STE 503, CORTE MADERA, CA, 94925

📞 415-925-9091

NPI: 1962176099

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Individual (NPI-1) Active

ROSSANNA V ALO OD

Optometrist

📍4647 ZION AVE, SAN DIEGO, CA, 92120

📞 619-528-5000

NPI: 1336297233

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Individual (NPI-1) Active

ANITA ALOIAN OD

Optometrist

📍40033 10TH ST W, PALMDALE, CA, 93551

📞 818-406-6310

NPI: 1669946505

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Individual (NPI-1) Active

MARK WILLIAM ALPERT O.D.

Optometrist

📍16102 BELLFLOWER BLVD, BELLFLOWER, CA, 90706

📞 562-867-4716

NPI: 1801892773

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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