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Internal Medicine - Nephrology Specialists in Hayward, CA

Browse 9 Internal Medicine - Nephrology providers listed in NPPES with a practice address in Hayward, California.

9 Healthcare Providers

How Hayward compares with the U.S.

9 active clinicians in Internal Medicine - Nephrology list a practice address in Hayward, CA in the NPI registry.

With fewer than 10 clinicians, rates per 100,000 residents are not reliable enough to compare.

Too few clinicians in Internal Medicine - Nephrology in Hayward are listed in the CMS Medicare file to report Medicare assignment or telehealth shares.

These figures summarize public federal data. They do not measure quality of care, appointment availability, or whether a clinician accepts your insurance or new patients. Registry addresses can be out of date. Please confirm details directly with the office and your plan. This information is not medical advice.

Prepared by T-MedInfo from NPPES, CMS and U.S. Census Bureau data. Questions or corrections: support@true-medinfo.com ยท Methodology

Sources: Clinician counts and practice addresses: NPPES NPI Registry, Centers for Medicare & Medicaid Services (CMS), data as of August 2026.

Showing 1โ€“9 of 9 providers
With recent CMS data first, then Aโ€“Z

Dr. Mario Bernaba , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment
27303 Sleepy Hollow Ave S, Hayward, CA 945454203
Phone: 5107842769
NPI Identifier 1205499506
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Dr. Neelam Mantri Bhalla , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment
27303 Sleepy Hollow Ave S, Hayward, CA 945454203
Phone: 5104541000
NPI Identifier 1639118052
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Dr. Sarasa Kimata , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
27303 Sleepy Hollow Ave S, Hayward, CA 945454203
Phone: 5104541000
NPI Identifier 1477631232
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Dr. George Lai , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
27303 Sleepy Hollow Ave S, Hayward, CA 945454203
Phone: 5104541000
NPI Identifier 1043398803
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Dr. Wesley Harris Lisker , MD

Internal Medicine - Nephrology

Active NPI Status
27303 Sleepy Hollow Ave S, Hayward, CA 945454203
Phone: 5104541000
NPI Identifier 1619055472
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Dr. Chitra R. Reddy , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment
27400 Hesperian Blvd, Hayward, CA 945454235
Phone: 5107844000
NPI Identifier 1073691846
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Dr. Rangashree Varadarajan , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
27303 Sleepy Hollow Ave S, Hayward, CA 945454203
Phone: 5107842769
NPI Identifier 1164884623
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Dr. Clifford Wong , MD

Internal Medicine - Nephrology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
27200 Calaroga Ave, Hayward, CA 945454339
Phone: 5107832003
NPI Identifier 1780621706
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Dr. Andrea Lee Yao , MD

Internal Medicine - Nephrology

Active NPI Status
27303 Sleepy Hollow Ave S, Hayward, CA 945454203
Phone: 5104541000
NPI Identifier 1740354059
View Full Profile

Frequently Asked Questions about Internal Medicine - Nephrology in Hayward

How do I check a Internal Medicine - Nephrology practitioner's license?

Each practitioner profile shows the NUCC taxonomy code and any state license number the practitioner reported to NPPES, plus a link to the California licensing board lookup. NPPES entries are self-reported; current license status is published only by the state board.

Why is a practitioner missing from this list?

This list shows NPI records that are active in NPPES. A deactivated NPI keeps its profile with the deactivation date and practice history; find it with the site search by name or NPI number.