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

Dr. Johnny Jaehwan Choi, MD

Individual provider Internal Medicine Physician · NPI 1376640714

Dr. Johnny Jaehwan Choi, MD is an Internal Medicine in Upland, California. Graduated from Tufts University School of Medicine in 2001, 25 years ago. Practices with Razi Medical Group Inc, an 8-clinician group and accepts Medicare assignment. Licensed in California and Massachusetts.

Years since qualifying
25
Trained at
Tufts University School of Medicine
Licensed in
CA, MA
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

141 W Foothill Blvd
Upland, CA 91786-8705
Phone: (909) 296-8800
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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 A97680 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 222248 (MA)

Record details

NPI number1376640714
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 20, 2006
Last updated in NPPESAugust 30, 2019

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolTUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2001 (25 years in practice)
Group practice Razi Medical Group Inc — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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