Mark S. Choh, M.D.
NPI 1023283611ActiveIndividual· Surgery· Berwyn, IL
Surgery (M.D.) in Berwyn, Illinois, trained at Tufts University School of Medicine (class of 2003). Mostly services rather than prescriptions: Medicare paid $54,495 for 205 patients in 2024, with only 45 Part D claims. Medtronic, Inc. was the largest of 2 companies reporting payments in 2025, $88.43 in all, mostly food and beverage.
Overview
| NPI | 1023283611 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 24, 2008 |
| Last updated in NPPES | Mar 26, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | IL 036118355 | IL |
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 - General Surgery (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 205 |
|---|---|
| Services billed | 381 across 46 procedure codes |
| Paid by Medicare | $54,495 |
Part D prescriptions in 2024
| Prescriptions (claims) | 45 · 51 30-day fills |
|---|---|
| Patients | 26 |
| Total drug cost | $2,320 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | General Surgery |
Medical group
- Loyola Medical Group LLCBerwyn, IL · 127 clinicians
Hospital affiliations
- Loyola University Medical CenterMaywood, IL
- Macneal HospitalBerwyn, IL
Industry payments (Open Payments)
- 2025$88.43 · 3 payments from 2 companies
- 2024$854.04 · 50 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $68.89 | 2 |
| Novo Nordisk Inc | $19.54 | 1 |
What the 2025 payments were for
- Food and Beverage$58.43 · 2 payments
- Consulting Fee$30.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Surgery providers in Berwyn
- 1669647095
- 1912153909
- 1063402048
- 1770510141
- 1366431322
- 1790774750