Shien Hu, MD
NPI 1366766966ActiveIndividual· Internal Medicine, Gastroenterology· Frederick, MD
Internal Medicine, Gastroenterology (MD) in Frederick, Maryland, trained at University of Maryland School of Medicine (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $411,674 for 1,374 claims, against $102,409 paid for services in 2024. Pfizer Inc. was the largest of 18 companies reporting payments in 2025, $1,910 in all, mostly food and beverage.
Overview
| NPI | 1366766966 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 25, 2010 |
| Last updated in NPPES | Nov 7, 2023 |
| Certified by provider | Nov 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | D83142 | MD |
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 - Gastroenterology (DC); Practitioner - Gastroenterology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 539 |
|---|---|
| Services billed | 970 across 24 procedure codes |
| Paid by Medicare | $102,409 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,374 · 3,136 30-day fills |
|---|---|
| Patients | 327 |
| Total drug cost | $411,674 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Gastroenterology |
Medical group
- Frederick Gastroenterology Associates PAFrederick, MD · 16 clinicians
Hospital affiliations
- Frederick Health HospitalFrederick, MD
- Holy Cross Germantown HospitalGermantown, MD
Industry payments (Open Payments)
- 2025$1,910 · 85 payments from 18 companies
- 2024$2,051 · 101 payments from 24 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $252.25 | 12 |
| Takeda Pharmaceuticals U.S.A., Inc. | $233.94 | 11 |
| Gilead Sciences, Inc. | $163.88 | 6 |
| Ardelyx, Inc. | $151.66 | 5 |
| Madrigal Pharmaceuticals | $144.91 | 7 |
What the 2025 payments were for
- Food and Beverage$1,910 · 85 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 gastroenterologists in Frederick · All gastroenterologists in Maryland