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

Brian S. Choi, MD

Individual provider Specialist · NPI 1386602720

Brian S. Choi, MD is a Hematology/Oncology in Riverside, California. Graduated from Northwestern University Feinberg Medical School in 2003, 23 years ago. Practices with Los Angeles Hematology-Oncology Medical Group, a 51-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
23
Trained at
Northwestern University Feinberg Medical School
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

4500 Brockton Ave Ste #107
Riverside, CA 92501
Phone: (951) 276-2760
Fax: (951) 276-2960
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence A104454 (CA)
Specialist Taxonomy 174400000X

Record details

NPI number1386602720
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 3, 2006
Last updated in NPPESJanuary 23, 2020
Certification dateJanuary 23, 2020
Mailing address4500 Brockton Ave, Ste 107, Riverside, CA 92501-4006

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 2003 (23 years in practice)
Group practice Los Angeles Hematology-Oncology Medical Group — 51 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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