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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 181–195 of 200 providers
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Individual (NPI-1) Active

ROSE HIU PAC

Physician Assistant

📍1500 E DUARTE RD, DUARTE, CA, 91010

📞 626-359-8111

NPI: 1538255914

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Individual (NPI-1) Active

DONALD KT HO Pharm. D

Pharmacist, Oncology

📍270 INTERNATIONAL CIR, SAN JOSE, CA, 95119

📞 408-972-3539

NPI: 1083773261

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Individual (NPI-1) Active

HANSEN KWOK-WEI HO PharmD

Pharmacist, Oncology

📍1600 DIVISADERO ST, SAN FRANCISCO, CA, 94115

📞 415-353-7053

NPI: 1730402371

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Individual (NPI-1) Active

SON HO Pharm.D.

Pharmacist, Oncology

📍505 PARNASSUS AVE, SAN FRANCISCO, CA, 94143

📞 510-847-5734

NPI: 1023424868

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Individual (NPI-1) Active

HELENA THAI NHI HOANG PharmD

Pharmacist, Oncology

📍2080 CENTURY PARK E STE 803, LOS ANGELES, CA, 90067

📞 424-535-1874

NPI: 1659006583

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Individual (NPI-1) Active

MARY HOBAN RN,MN

Registered Nurse, Oncology

📍1328 22ND ST, SANTA MONICA, CA, 90404

📞 310-829-5511

NPI: 1205953833

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Individual (NPI-1) Active

EMILY ANN HOLLINGHURST PharmD

Pharmacist, Oncology

📍11234 ANDERSON ST, LOMA LINDA, CA, 92354

📞 909-558-5949

NPI: 1518484450

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Individual (NPI-1) Active

EILEEN HOLOVAC Pharm.D.

Pharmacist, Oncology

📍11201 BENTON ST, LOMA LINDA, CA, 92357

📞 301-602-3816

NPI: 1891271417

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Individual (NPI-1) Active

SHANNON HOOPER AGNP

Nurse Practitioner, Family

📍1 HOAG DR BLDG 41, NEWPORT BEACH, CA, 92663

📞 714-764-4060

NPI: 1700535051

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Individual (NPI-1) Active

KENI A HORIUCHI R.N.

Clinical Nurse Specialist, Oncology

📍1860 PENNSYLVANIA AVE, FAIRFIELD, CA, 94533

📞 707-429-6989

NPI: 1306924592

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Individual (NPI-1) Active

CARISSA CHAN HSU PharmD

Pharmacist, Oncology

📍8700 BEVERLY BLVD, WEST HOLLYWOOD, CA, 90048

📞 310-423-0633

NPI: 1487202347

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Individual (NPI-1) Active

JASON HSU

Pharmacist, Oncology

📍1500 DUARTE RD, DUARTE, CA, 91010

📞 626-218-7848

NPI: 1598626566

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Individual (NPI-1) Active

VANESSA HSU

Pharmacist, Oncology

📍1500 DUARTE RD, DUARTE, CA, 91010

📞 626-218-5560

NPI: 1417899881

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Individual (NPI-1) Active

VIVIAN HUANG RN, CNS

Clinical Nurse Specialist, Oncology

📍505 PARNASSUS AVE RM M1287, SAN FRANCISCO, CA, 94143

📞 415-770-9217

NPI: 1649047796

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Individual (NPI-1) Active

JENSE JAYE HUDSON RN

Registered Nurse, Oncology

📍17791 NORWOOD PARK PL, TUSTIN, CA, 92780

📞 714-336-4533

NPI: 1407552011

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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