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Internal Medicine - Rheumatology Specialists in Davis, CA

Browse 6 Internal Medicine - Rheumatology providers listed in NPPES with a practice address in Davis, California.

6 Healthcare Providers

How Davis compares with the U.S.

6 active clinicians in Internal Medicine - Rheumatology list a practice address in Davis, CA in the NPI registry.

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

None of the clinicians in Internal Medicine - Rheumatology in Davis are listed in the CMS Medicare file.

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 Registry addresses can be out of date.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€“6 of 6 providers
With recent CMS data first, then Aโ€“Z

Dr. Gurtej Cheema , MD

Internal Medicine - Rheumatology

Active NPI Status
451 E. Health Sciences Drive, Suite 6510, Davis, CA 956168660
Phone: 5307522884
NPI Identifier 1578546578
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Dr. Stanley Masaji Naguwa , MD

Internal Medicine - Rheumatology

Active NPI Status
2660 W Covell Blvd, Suite A, Davis, CA 956165645
Phone: 5307473074
NPI Identifier 1447231873
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Dr. James Castles , MD

Internal Medicine - Rheumatology

Active NPI Status
451 E. Health Sciences Drive, Suite 6510, Davis, CA 95616
Phone: 5307522884
NPI Identifier 1477623403
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Happy Chan

Internal Medicine - Rheumatology

Active NPI Status
451 E Health Sciences Drive Gbsf Suite 6510, Division Of Rheumatology, Davis, CA 95616
Phone: 5307522884
NPI Identifier 1740409218
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Merrill E Gershwin

Internal Medicine - Rheumatology

Active NPI Status
451 E. Health Sciences Drive, Davis, CA 95616
Phone: 5307522884
NPI Identifier 1881677268
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Dr. Dick L. Robbins , MD

Internal Medicine - Rheumatology

Active NPI Status
451 E. Health Sciences Drive, Ucdavis School Of Medicine, Davis, CA 95616
Phone: 5307523903
NPI Identifier 1972586352
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Frequently Asked Questions about Internal Medicine - Rheumatology in Davis

How do I check a Internal Medicine - Rheumatology 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.