Stewart Alexander Boyd, M.D.
NPI 1194954578ActiveIndividual· Internal Medicine, Gastroenterology· Flowood, MS
Internal Medicine, Gastroenterology (M.D.) with Billings Clinic Specialty Supplies and Services, LLC and 2 other groups, practicing in Flowood, Mississippi. In 2024 Medicare paid $620,648 for 621 patients, and Part D covered 1,364 of their prescriptions, 86% of them generic. Abbvie Inc. was the largest of 10 companies reporting payments in 2025, $375.37 in all, mostly food and beverage. Lists Billings Clinic Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1194954578 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 7, 2009 |
| Last updated in NPPES | Jul 28, 2025 |
| Certified by provider | Jul 28, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 21736 | MS |
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 (MS); Practitioner - Gastroenterology (MT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 621 |
|---|---|
| Services billed | 35,505 across 100 procedure codes |
| Paid by Medicare | $620,648 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,364 · 1,978 30-day fills |
|---|---|
| Patients | 539 |
| Total drug cost | $94,841 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical groups
- Billings Clinic Specialty Supplies and Services, LLCBillings, MT · 824 clinicians
- St. Dominic Medical Associates LLCMadison, MS · 132 clinicians
- Gastrointestinal Associates PAMadison, MS · 46 clinicians
Hospital affiliations
- Billings Clinic HospitalBillings, MT
- Copiah County Medical CenterHazlehurst, MS
- Merit Health River OaksFlowood, MS
- St Dominic-Jackson Memorial HospitalJackson, MS
Industry payments (Open Payments)
- 2025$375.37 · 17 payments from 10 companies
- 2024$514.57 · 22 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $73.38 | 2 |
| Phathom Pharmaceuticals, Inc. | $69.25 | 3 |
| Takeda Pharmaceuticals U.S.A., Inc. | $63.36 | 3 |
| Intercept Pharmaceuticals, Inc. | $50.71 | 3 |
| Ardelyx, Inc. | $28.58 | 1 |
What the 2025 payments were for
- Food and Beverage$375.37 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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