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

Dr. Ru Cai, MD

Individual provider Internal Medicine Physician · NPI 1134230220

Dr. Ru Cai, MD is an Internal Medicine in Sacramento, California. Qualified in 1989, 37 years ago. Practices with Regents of the Univ of Ca, a 1,578-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
37
Licensed in
CA
In the registry since
2006
Specialties on file
2
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

2315 Stockton Blvd Main Hospital
Sacramento, CA 95817
Phone: (916) 734-7506
Fax: (916) 734-4810
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A83360 (CA)
Hospitalist Physician Taxonomy 208M00000X · Licence A83360 (CA)

Record details

NPI number1134230220
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 31, 2006
Last updated in NPPESSeptember 11, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Group practice Regents Of The Univ Of Ca — 1578 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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