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

Jacob S Choi

Individual provider Internal Medicine Physician · NPI 1407218704

Jacob S Choi is a Hematology/Oncology in Chicago, Illinois. Graduated from University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb) in 2016, 10 years ago. Practices with Northwestern Medical Faculty Foundation, a 4,394-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Georgia, Illinois and Ohio.

Years since qualifying
10
Trained at
University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb)
Licensed in
GA, IL, OH
In the registry since
2016
Specialties on file
5
Claim this listing Report a problem Suggest an edit

Practice location Address checks out

251 E Huron St
Chicago, IL 60611-2908
Phone: (312) 695-6939
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (1)

  • 645 N Michigan Ave Ste 1006, Chicago, IL 60611-2814 — (312) 695-0990

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 036153310 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 35.136075 (OH)
Medical Oncology Physician Taxonomy 207RX0202X · Licence 036.153310 (IL)
Medical Oncology Physician Taxonomy 207RX0202X · Licence 96453 (GA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1407218704
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedMarch 25, 2016
Last updated in NPPESFebruary 4, 2026
Certification dateFebruary 4, 2026

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Graduated 2016 (10 years in practice)
Group practice Northwestern Medical Faculty Foundation — 4394 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations13 on file with Medicare

Other providers in Chicago