Jacob S. Choi
NPI 1407218704ActiveIndividual· Internal Medicine, Hematology & Oncology· Chicago, IL
Internal Medicine, Hematology & Oncology in Chicago, Illinois, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 2016). In 2024 Medicare paid $506,514 for 158 patients, and Part D covered 192 of their prescriptions, 76% of them generic. Immunocore Limited was the largest of 2 companies reporting payments in 2025, $2,017 in all, mostly honoraria.
Overview
| NPI | 1407218704 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Mar 25, 2016 |
| Last updated in NPPES | Feb 4, 2026 |
| Certified by provider | Feb 4, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 036153310 | IL |
| Internal Medicine | 207R00000X | 35.136075 | OH |
| Internal Medicine, Medical Oncology | 207RX0202X | 036.153310 | IL |
| Internal Medicine, Medical Oncology | 207RX0202X | 96453 | GA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology (GA); Practitioner - Hematology/Oncology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 158 |
|---|---|
| Services billed | 20,366 across 89 procedure codes |
| Paid by Medicare | $506,514 |
Part D prescriptions in 2024
| Prescriptions (claims) | 192 · 223 30-day fills |
|---|---|
| Patients | 60 |
| Total drug cost | $194,406 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
Hospital affiliations
- Northwestern Lake Forest HospitalLake Forest, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine McHenryMcHenry, IL
- Northwestern Memorial HospitalChicago, IL
- Palos Community HospitalPalos Heights, IL
Industry payments (Open Payments)
- 2025$2,017 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Immunocore Limited | $2,000 | 1 |
| Amgen Inc. | $17.25 | 1 |
What the 2025 payments were for
- Honoraria$2,000 · 1 payment
- Food and Beverage$17.25 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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