Gyu Cheol Choi, M.D
NPI 1770036451ActiveIndividual· Internal Medicine· Worcester, MA
Internal Medicine (M.D) with Umass Memorial Medical Group Inc, practicing in Worcester, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $610,204 for 7,028 claims, against $56,512 paid for services in 2024. Lists St Vincent Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1770036451 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Jul 28, 2016 |
| Last updated in NPPES | Nov 10, 2020 |
| Certified by provider | Nov 10, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 283576 | MA |
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 - Internal Medicine (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 357 |
|---|---|
| Services billed | 1,349 across 35 procedure codes |
| Paid by Medicare | $56,512 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,028 · 16,239 30-day fills |
|---|---|
| Patients | 614 |
| Total drug cost | $610,204 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Umass Memorial Medical Group IncWorcester, MA · 2,516 clinicians
Hospital affiliations
- St Vincent HospitalWorcester, MA
- Umass Memorial Health - Harrington HospitalSouthbridge, MA
- Umass Memorial Healthalliance HospitalsLeominster, MA
- Umass Memorial Medical Center/University CampusWorcester, MA
Other facilities
- Elara CaringHome health agency · Braintree, MA
- Preferred Transitions Home Health Care IncHome health agency · Milford, MA
- Vna and Hospice of Greater MilfordHome health agency · Milford, MA
- Vna Care NetworkHome health agency · Worcester, MA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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