Shangnon Fei, MD
NPI 1033787759ActiveIndividual· Internal Medicine· Saint Louis, MO
Internal Medicine (MD) in Saint Louis, Missouri, trained at University of Southern California Keck School of Medicine (class of 2021). Their prescriptions cost Medicare Part D more than their services did: $89,580 for 717 claims, against $5,202 paid for services in 2024. Exact Sciences Corporation was the largest of 8 companies reporting payments in 2025, $158.85 in all, mostly food and beverage.
Overview
| NPI | 1033787759 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 17, 2021 |
| Last updated in NPPES | Sep 19, 2025 |
| Certified by provider | Sep 19, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 2021021804 | 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 - Internal Medicine (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 25 |
|---|---|
| Services billed | 65 across 13 procedure codes |
| Paid by Medicare | $5,202 |
Part D prescriptions in 2024
| Prescriptions (claims) | 717 · 1,248 30-day fills |
|---|---|
| Patients | 121 |
| Total drug cost | $89,580 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Physician Groups LcFarmington, MO · 521 clinicians
- Physical Therapy Spine and Sports Medicine LLCBallwin, MO · 129 clinicians
- Elite Physical Therapy of Creve Coeur LLCCreve Coeur, MO · 91 clinicians
Hospital affiliations
- Barnes Jewish HospitalSaint Louis, MO
- Barnes-Jewish West County HospitalCreve Coeur, MO
- Memorial HospitalBelleville, IL
- Missouri Baptist Medical CenterSaint Louis, MO
Industry payments (Open Payments)
- 2025$158.85 · 9 payments from 8 companies
- 2024$188.49 · 10 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $41.61 | 2 |
| Dynavax Technologies Corporation | $20.36 | 1 |
| Novo Nordisk Inc | $18.36 | 1 |
| Pfizer Inc. | $17.47 | 1 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $16.06 | 1 |
What the 2025 payments were for
- Food and Beverage$158.85 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,092 internal medicine physicians in Saint Louis · All internal medicine physicians in Missouri