Andrew D. Mowery, DO
NPI 1104084896ActiveIndividual· Internal Medicine, Gastroenterology· Frederick, MD
Internal Medicine, Gastroenterology (DO) in Frederick, Maryland, trained at Philadelphia College of Osteopathic Medicine (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $330,301 for 886 claims, against $92,981 paid for services in 2024. Abbvie Inc. was the largest of 19 companies reporting payments in 2025, $1,944 in all, mostly food and beverage.
Overview
| NPI | 1104084896 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | May 29, 2008 |
| 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 | 0102204131 | VA |
| Internal Medicine | 207R00000X | 0102204131 | VA |
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 | 470 |
|---|---|
| Services billed | 1,035 across 29 procedure codes |
| Paid by Medicare | $92,981 |
Part D prescriptions in 2024
| Prescriptions (claims) | 886 · 2,103 30-day fills |
|---|---|
| Patients | 233 |
| Total drug cost | $330,301 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 2007 |
| 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$1,944 · 86 payments from 19 companies
- 2024$2,374 · 113 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $427.30 | 21 |
| Takeda Pharmaceuticals U.S.A., Inc. | $285.46 | 12 |
| Pfizer Inc. | $262.15 | 13 |
| Gilead Sciences, Inc. | $141.31 | 5 |
| Janssen Biotech, Inc. | $136.84 | 5 |
What the 2025 payments were for
- Food and Beverage$1,933 · 85 payments
- Education$10.48 · 1 payment
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