Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

James Patrick Tomas, MD

Individual provider Nephrology Physician · NPI 1902040819

James Patrick Tomas, MD is a Nephrology in San Bernardino, California. Qualified in 2009, 17 years ago. Practices with Riverside-San Bernardino County Indian Health Inc, a 45-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
17
Licensed in
CA
In the registry since
2009
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

401 E Highland Ave Ste 551
San Bernardino, CA 92404-3803
Phone: (909) 882-9150
Fax: (909) 883-8972
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence A120476 (CA)

Record details

NPI number1902040819
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 22, 2009
Last updated in NPPESJune 24, 2014

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNEPHROLOGY
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Riverside-San Bernardino County Indian Health Inc — 45 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in San Bernardino