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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 166–180 of 200 providers
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Individual (NPI-1) Active

SOPHIE MESTMAN CANNON MD

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍8641 WILSHIRE BLVD STE 210, BEVERLY HILLS, CA, 90211

📞 310-855-7002

NPI: 1538658273

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Individual (NPI-1) Active

ALLISON C CARMICHAEL M.D.

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍3200 KEARNEY ST., FREMONT, CA, 94538

📞 510-490-1222

NPI: 1942553391

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Individual (NPI-1) Active

JOHN D CARMICHAEL MD

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍1520 SAN PABLO ST, LOS ANGELES, CA, 90033

📞 323-442-5100

NPI: 1396818241

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Individual (NPI-1) Active

MARITZA ELIDE CARRILLO M.D.

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍1906 BELLEVIEW AVE SE, ROANOKE, VA, 24014

📞 540-981-7000

NPI: 1649628587

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Individual (NPI-1) Active

AHL JEFFREY CASEJA MD

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍12400 BLOOMFIELD AVE FL 3, SANTA FE SPRINGS, CA, 90670

📞 562-967-2760

NPI: 1699169649

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Individual (NPI-1) Active

JENNIFER CASEY

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍20101 LAKE CHABOT RD, CASTRO VALLEY, CA, 94546

📞 510-204-1844

NPI: 1750524575

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Individual (NPI-1) Active

ROBERT ALLEN CATANIA M.D.

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍2201 19TH ST, BAKERSFIELD, CA, 93301

📞 661-322-2413

NPI: 1376622787

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Individual (NPI-1) Active

HAROLD K CATHCART DO

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍624 E FRONT AVE, SPOKANE, WA, 99202

📞 509-626-9900

NPI: 1104815935

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Individual (NPI-1) Active

ANDREA E CEDENO

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍259 E ERIE ST STE 2200, CHICAGO, IL, 60611

📞 312-695-7970

NPI: 1588018865

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Individual (NPI-1) Active

LILLI ANN C CELLONA M D A MEDICAL M.D.

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍8245 E MONTE VISTA RD STE 200, ANAHEIM, CA, 92808

📞 714-974-0100

NPI: 1770516999

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Individual (NPI-1) Active

JI YOUNG CHAE M.D. MPH

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍3100 SAN PABLO AVE STE 310, BERKELEY, CA, 94702

📞 510-985-5020

NPI: 1912110537

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Individual (NPI-1) Active

RAJINDERPAL S CHAHAL

Internal Medicine

📍3335 S FAIRWAY, VISALIA, CA, 93277

📞 559-735-3881

NPI: 1013321496

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Individual (NPI-1) Active

ARUNA CHAKRAVORTY M.D., PhD

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍4050 DUBLIN BLVD, DUBLIN, CA, 94568

📞 510-498-2357

NPI: 1871558288

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Individual (NPI-1) Active

GRACE CHAN MD

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍795 EL CAMINO REAL, PALO ALTO, CA, 94301

📞 650-853-2976

NPI: 1023027729

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Individual (NPI-1) Active

JEAN L CHAN M.D.

Internal Medicine, Endocrinology, Diabetes & Metabolism

📍9360 TOWNE CENTRE DR, SAN DIEGO, CA, 92121

📞 858-754-4407

NPI: 1538115720

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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