Samuel Joseph Tarwater, MD
NPI 1225080906ActiveIndividual· Internal Medicine, Gastroenterology· Dothan, AL
Internal Medicine, Gastroenterology (MD) in Dothan, Alabama, trained at University of South Florida College of Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $2,825,214 for 5,644 claims, against $432,341 paid for services in 2024. Abbvie Inc. was the largest of 19 companies reporting payments in 2025, $2,896 in all, mostly food and beverage.
Overview
| NPI | 1225080906 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 17, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 17055 | AL |
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 - Gastroenterology (AL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 958 |
|---|---|
| Services billed | 19,238 across 101 procedure codes |
| Paid by Medicare | $432,341 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,644 · 9,500 30-day fills |
|---|---|
| Patients | 1,215 |
| Total drug cost | $2,825,214 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | University of South Florida College of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Gut PCDothan, AL · 56 clinicians
Hospital affiliations
- Andalusia HealthAndalusia, AL
- Flowers HospitalDothan, AL
- Medical Center EnterpriseEnterprise, AL
- Mizell Memorial HospitalOpp, AL
- Southeast Health Medical CenterDothan, AL
Other facilities
- Enhabit Home HealthHome health agency · Dothan, AL
Industry payments (Open Payments)
- 2025$2,896 · 133 payments from 19 companies
- 2024$2,225 · 118 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $672.89 | 43 |
| Medtronic, Inc. | $401.84 | 8 |
| Janssen Biotech, Inc. | $388.41 | 19 |
| Lilly USA, LLC | $265.10 | 9 |
| Genzyme Corporation | $184.38 | 7 |
What the 2025 payments were for
- Food and Beverage$2,896 · 133 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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