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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

RICHARD BLOOM MD

Internal Medicine, Nephrology

📍4105 COSTADO RD., PEBBLE BEACH, CA, 93953

📞 831-626-3256

NPI: 1003189010

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Individual (NPI-1) Active

CHRISTINA LAHTI BLUM MD

Internal Medicine, Nephrology

📍8901 ROCKVILLE PIKE, BETHESDA, MD, 20889

📞 301-295-4331

NPI: 1972845402

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Individual (NPI-1) Active

MICHAEL JOSEPH BLUMENKRANTZ M.D.

Internal Medicine, Nephrology

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

📞 310-289-9824

NPI: 1619984234

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Individual (NPI-1) Active

MARK M. BOISKIN M.D.

Internal Medicine, Nephrology

📍9834 GENESEE AVE, LA JOLLA, CA, 92037

📞 858-558-8150

NPI: 1437154143

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Individual (NPI-1) Active

AKSHAY REDDY BOMMIREDDI MD

Internal Medicine, Nephrology

📍1000 W CARSON ST, TORRANCE, CA, 90502

📞 310-222-3893

NPI: 1861091316

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Individual (NPI-1) Active

RAGHAVENDER BOOTHPUR MD

Internal Medicine, Nephrology

📍1525 PLUMAS CT, YUBA CITY, CA, 95991

📞 530-822-5575

NPI: 1578613543

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Individual (NPI-1) Active

MICHAEL F BORAH MD

Internal Medicine, Nephrology

📍2100 WEBSTER ST., SAN FRANCISCO, CA, 94115

📞 415-923-3456

NPI: 1144395435

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Individual (NPI-1) Active

HASSAN BOROUJERDI-RAD MD

Internal Medicine, Nephrology

📍14350 EAST WHITTIER BLVD,, WHITTIER, CA, 90605

📞 562-907-7616

NPI: 1205814837

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Individual (NPI-1) Active

LALEH BOROUJERDI-RAD M.D.

Internal Medicine, Nephrology

📍14350 WHITTIER BLVD STE 101, WHITTIER, CA, 90605

📞 562-907-7616

NPI: 1245474378

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Individual (NPI-1) Active

CHRISTINA LEIGH BRADSHAW MD

Internal Medicine, Nephrology

📍300 PASTEUR DR, STANFORD, CA, 94305

📞 650-723-4000

NPI: 1629343033

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Individual (NPI-1) Active

BRIAN MICHAEL BRADY M.D.

Internal Medicine, Nephrology

📍300 PASTEUR DR, STANFORD, CA, 94305

📞 650-723-4000

NPI: 1902190721

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Individual (NPI-1) Active

AMARPALI BRAR M.D

Internal Medicine, Nephrology

📍400 PARNASSUS AVE, SAN FRANCISCO, CA, 94143

📞 415-353-1551

NPI: 1104001718

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Individual (NPI-1) Active

HARJEET S BRAR M.D.

Internal Medicine, Nephrology

📍5401 WHITE LN, BAKERSFIELD, CA, 93309

📞 661-396-7100

NPI: 1053363663

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Individual (NPI-1) Active

MATTHEW CLARENCE BREEGGEMANN M.D.

Internal Medicine, Nephrology

📍400 PARNASSUS AVE # B1, SAN FRANCISCO, CA, 94143

📞 415-353-2507

NPI: 1083077549

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Individual (NPI-1) Active

ROBERT M BRENNER M.D.

Internal Medicine, Nephrology

📍1 AMGEN CENTER DR, THOUSAND OAKS, CA, 91320

📞 805-447-5939

NPI: 1861431397

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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