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

Dr. Ronald G Jan, MD

Individual provider Vascular Surgery Physician · NPI 1114018199

Dr. Ronald G Jan, MD is a Vascular Surgery in Sacramento, California. Graduated from George Washington University School of Medicine in 1971, 55 years ago. Accepts Medicare assignment. Licensed in California.

Years since qualifying
55
Trained at
George Washington University School of Medicine
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

5025 J St Ste 312
Sacramento, CA 95819
Phone: (916) 288-0055
Fax: (916) 288-0056
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Vascular Surgery Physician (primary) Taxonomy 2086S0129X · Licence G22975 (CA)
Vascular Surgery Physician Taxonomy 2086S0129X · Licence G229750 (CA)

Record details

NPI number1114018199
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 27, 2006
Last updated in NPPESFebruary 28, 2013

Medicare enrollment

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

Medicare specialtyVASCULAR SURGERY
Also practisesINTERNAL MEDICINE
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1971 (55 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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