William Been Suk, DO
NPI 1053428201ActiveIndividual· Emergency Medicine· Saint Louis, MO
Emergency Medicine (DO) with Emergency Medicine Services of Mo LLC, practicing in Saint Louis, Missouri. 577 Medicare patients in 2024, $78,738 paid; nearly all of their 361 Part D prescriptions were generic (99%). Pfizer Inc. reported $19.06 in payments in 2025, mostly food and beverage. Lists Belton Regional Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1053428201 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Aug 24, 2006 |
| Last updated in NPPES | Mar 7, 2023 |
| Certified by provider | Nov 17, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 2009030852 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Emergency Medicine (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 577 |
|---|---|
| Services billed | 654 across 26 procedure codes |
| Paid by Medicare | $78,738 |
Part D prescriptions in 2024
| Prescriptions (claims) | 361 · 370 30-day fills |
|---|---|
| Patients | 228 |
| Total drug cost | $2,218 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical group
- Emergency Medicine Services of Mo LLCLee's Summit, MO · 86 clinicians
Hospital affiliations
- Belton Regional Medical CenterBelton, MO
- Mercy Hospital SouthSaint Louis, MO
Industry payments (Open Payments)
- 2025$19.06 · 1 payment from 1 company
- 2024$29.76 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $19.06 | 1 |
What the 2025 payments were for
- Food and Beverage$19.06 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 439 emergency medicine physicians in Saint Louis · All emergency medicine physicians in Missouri