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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 16–30 of 200 providers
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Individual (NPI-1) Active

HAMIDEH AHMADY PHARM.D. BCOP.APH

Pharmacist, Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist

📍MISSION HOPE CANCER CENTER (MRMC), SANTA MARIA, CA, 93454

📞 805-474-5306

NPI: 1497852578

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Individual (NPI-1) Active

SIMON AHN

Pharmacist, Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist

📍7825 ATLANTIC AVE, CUDAHY, CA, 90201

📞 323-562-6567

NPI: 1891074738

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Individual (NPI-1) Active

NELLI A AKOPYAN FNP

Nurse Practitioner

📍15503 VENTURA BLVD STE 150, ENCINO, CA, 91436

📞 818-783-0004

NPI: 1487136909

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Individual (NPI-1) Active

ARTEMIO ALANIS PharmD

Pharmacist, Oncology

📍101 BODIN CIR, FAIRFIELD, CA, 94535

📞 707-423-7130

NPI: 1396513982

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Individual (NPI-1) Active

PRASANNARADDI BHIMARADDI ALAVANDI PHARMD

Pharmacist, Oncology

📍500 PASTEUR DR, PALO ALTO, CA, 94304

📞 650-723-4000

NPI: 1932035482

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Individual (NPI-1) Active

MAHER A ALHAJA PharmD

Pharmacist, Oncology

📍7405 CHARMANT DR UNIT 2427, SAN DIEGO, CA, 92122

📞 858-381-7096

NPI: 1104515964

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Individual (NPI-1) Active

NIGINA ALI Pharm.D.

Pharmacist, Oncology

📍150 MUIR RD, MARTINEZ, CA, 94553

📞 925-372-2000

NPI: 1760022545

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Organization (NPI-2) Active

ALLIANCE HEALTHCARE SERVICES INC

Clinic/Center, Oncology, Radiation

📍2924 MERCY LN, HYATTSVILLE, MD, 20785

📞 301-583-0230

NPI: 1619010956

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Organization (NPI-2) Active

ALLIANCE ONCOLOGY LLC

Clinic/Center, Oncology, Radiation

📍1 WALLACE BASHAW WAY, NEWBURYPORT, MA, 01950

📞 800-229-7226

NPI: 1386807576

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Individual (NPI-1) Active

LINDA ALLWORTH

Pharmacist, Oncology

📍875 BLAKE WILBUR DR, PALO ALTO, CA, 94304

📞 650-498-6000

NPI: 1538035969

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Individual (NPI-1) Active

EMILY A ALMEIDA BSN, RN, OCN

Registered Nurse, Oncology

📍2615 E CLINTON AVE, FRESNO, CA, 93703

📞 559-225-6100

NPI: 1902740673

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Individual (NPI-1) Active

CHERRIE LYNN ALMONTE RN

Registered Nurse, Oncology

📍300 PASTEUR DR, STANFORD, CA, 94305

📞 408-806-7676

NPI: 1225664394

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Organization (NPI-2) Active

ALTABATES COMPREHENSIVE CANCER CENTER

Clinic/Center, Oncology

📍2001 DWIGHT WAY, BERKELEY, CA, 94704

📞 510-204-1591

NPI: 1821405192

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Individual (NPI-1) Active

BETSY LANE ALTHAUS Pharm.D.

Pharmacist

📍1600 DIVISADERO ST, SAN FRANCISCO, CA, 94115

📞 415-353-9806

NPI: 1366650657

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Individual (NPI-1) Active

ROSE M AMBROSINO-COOK RN., MS., CNS., CNP.

Clinical Nurse Specialist, Oncology

📍401 BICENTENNIAL WAY, SANTA ROSA, CA, 95403

📞 707-571-4841

NPI: 1063562411

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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