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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 91–105 of 200 providers
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Individual (NPI-1) Active

MONICA ALBERTSON OD

Optometrist

📍3801 MIRANDA AVE, PALO ALTO, CA, 94304

📞 650-493-5000

NPI: 1750010674

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Individual (NPI-1) Active

MICHELLE JACQUELINE ALCALA OD

Optometrist

📍41637 MARGARITA RD STE 100, TEMECULA, CA, 92591

📞 951-296-9300

NPI: 1316659360

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Individual (NPI-1) Active

BRIAN REX ALCALDE O.D.

Optometrist

📍1641 N HACIENDA BLVD, LA PUENTE, CA, 91744

📞 626-918-1407

NPI: 1013035443

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Individual (NPI-1) Active

QUYNH ALCAZAR OD

Optometrist

📍10620 FIRESTONE BLVD, NORWALK, CA, 90650

📞 562-868-1500

NPI: 1609599356

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Individual (NPI-1) Active

KATHY ALCID O.D.

Optometrist

📍276 DOLORES AVE, SAN LEANDRO, CA, 94577

📞 510-614-1515

NPI: 1093199606

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Individual (NPI-1) Active

CHERYL EVELYN ALDERSON O.D.

Optometrist

📍21098 BAKE PKWY, LAKE FOREST, CA, 92630

📞 949-597-0104

NPI: 1366521809

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Individual (NPI-1) Active

CAROLYN AKEMI DOI ALEKNA O.D.

Optometrist

📍975 SERENO DR, VALLEJO, CA, 94589

📞 707-651-2585

NPI: 1285763631

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Individual (NPI-1) Active

JOHN PETER ALENA O.D.

Optometrist

📍111 E MAGNOLIA BLVD, BURBANK, CA, 91502

📞 818-559-6661

NPI: 1134277361

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Individual (NPI-1) Active

LARRY LEE ALENBAUGH O.P.T

Optometrist

📍150 N RENO ST, LOS ANGELES, CA, 90026

📞 323-669-4326

NPI: 1881631885

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Individual (NPI-1) Active

RANDALL RALPH ALESSI O.D.

Optometrist

📍25401 ALICIA PKWY, LAGUNA HILLS, CA, 92653

📞 949-951-8001

NPI: 1609851344

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Individual (NPI-1) Active

ABBY ALEXANDER

Optometrist

📍5901 E 7TH ST, LONG BEACH, CA, 90822

📞 562-826-8000

NPI: 1871113068

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Individual (NPI-1) Active

BREEANA ALEXANDER OD

Optometrist

📍41493 MARGARITA RD STE G109, TEMECULA, CA, 92591

📞 951-296-2211

NPI: 1740946722

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Individual (NPI-1) Active

DEBRA LYN ALEXANDER O.D.

Optometrist

📍1261 CABRILLO AVE, TORRANCE, CA, 90501

📞 310-618-2244

NPI: 1942380266

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Individual (NPI-1) Active

GINA CHRISTINE SIRI ALEXANDER O.D.

Optometrist

📍39355 CALIFORNIA ST, FREMONT, CA, 94538

📞 510-744-2010

NPI: 1962870089

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Individual (NPI-1) Active

LOU ANN FLORES ALEXANDER O.D.

Optometrist

📍770 SCOTT BLVD, SANTA CLARA, CA, 95050

📞 408-296-0511

NPI: 1316913759

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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