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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

RONALD MAR TENORIO ATILLO AG-ACNP-BC

Nurse Practitioner, Acute Care

📍200 W ARBOR DR, SAN DIEGO, CA, 92103

📞 800-926-8273

NPI: 1346747391

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Individual (NPI-1) Active

NAVEEN KUMAR ATRAY M.D.

Internal Medicine, Nephrology

📍1111 EXPOSITION BLVD, SACRAMENTO, CA, 95815

📞 916-564-6232

NPI: 1780608901

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Individual (NPI-1) Active

SUKHVIR SINGH ATWAL MD

Internal Medicine, Nephrology

📍568 E HERNDON AVE, FRESNO, CA, 93720

📞 559-228-6600

NPI: 1669685251

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Individual (NPI-1) Active

HARLEEN AUJLA M.D.

Internal Medicine, Nephrology

📍3351 M ST STE 125, MERCED, CA, 95348

📞 209-723-1020

NPI: 1144661000

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Individual (NPI-1) Active

NIRMAL S AUJLA MD

Internal Medicine, Nephrology

📍3351 M STREET, MERCED, CA, 95348

📞 209-723-1020

NPI: 1275637506

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Individual (NPI-1) Active

MICHAEL AUGUST AUSTERLITZ MD

Internal Medicine, Nephrology

📍4588 WHITTIER BLVD, LOS ANGELES, CA, 90022

📞 323-265-2917

NPI: 1912096454

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Individual (NPI-1) Active

ADELA YNIGUEZ AYALA RN, NP

Nurse Practitioner

📍568 E HERNDON AVE STE 201, FRESNO, CA, 93720

📞 559-228-6600

NPI: 1235116138

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Individual (NPI-1) Active

HABIB AZAD M.D.

Internal Medicine, Nephrology

📍26800 CROWN VALLEY PKWY, MISSION VIEJO, CA, 92691

📞 949-364-0644

NPI: 1114962610

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Individual (NPI-1) Active

SARAH MAGED AZER MD

Internal Medicine, Nephrology

📍11370 ANDERSON ST STE 3300, LOMA LINDA, CA, 92354

📞 909-558-2860

NPI: 1710508346

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Individual (NPI-1) Active

MANSOOR AZIM M.D.

Internal Medicine, Nephrology

📍3770 KEYSTONE AVE APT 107, LOS ANGELES, CA, 90034

📞 951-961-8639

NPI: 1942567540

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Individual (NPI-1) Active

MUTHIYALIAH BABU M.D.

Internal Medicine, Nephrology

📍1401 E MAIN ST, SANTA MARIA, CA, 93454

📞 805-349-0198

NPI: 1033141213

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Individual (NPI-1) Active

RIZWAN BADAR M.D.

Internal Medicine, Nephrology

📍3660 PARK SIERRA DR, RIVERSIDE, CA, 92505

📞 951-687-2800

NPI: 1073761243

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Individual (NPI-1) Active

POOJA MAHAJAN BADLANI MBBS

Internal Medicine, Nephrology

📍400 N PEPPER AVE, COLTON, CA, 92324

📞 909-835-7946

NPI: 1689907461

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Individual (NPI-1) Active

JUNG MOON BAE M.D.

Internal Medicine

📍1245 WILSHIRE BLVD STE 785, LOS ANGELES, CA, 90017

📞 213-389-3200

NPI: 1124119805

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Individual (NPI-1) Active

HAROLD J BAER M.D. FACP

Internal Medicine, Nephrology

📍5030 OFFICE PARK DR., BAKERSFIELD, CA, 93309

📞 661-323-2847

NPI: 1649382920

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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