Samuel M. Riddle III, M.D.
NPI 1134188238ActiveIndividual· Obstetrics & Gynecology· Sumter, SC
Obstetrics & Gynecology (M.D.) in Sumter, South Carolina, trained at Medical University of South Carolina College of Medicine (class of 1978). 36 Medicare patients in 2024, $4,951 paid; nearly all of their 84 Part D prescriptions were generic (94%). Dompe US, Inc. was the largest of 3 companies reporting payments in 2025, $61.09 in all, mostly food and beverage.
Overview
| NPI | 1134188238 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 20, 2006 |
| Last updated in NPPES | Dec 4, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 12846 | SC |
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 - Obstetrics/Gynecology (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 36 |
|---|---|
| Services billed | 92 across 18 procedure codes |
| Paid by Medicare | $4,951 |
Part D prescriptions in 2024
| Prescriptions (claims) | 84 · 110 30-day fills |
|---|---|
| Patients | 42 |
| Total drug cost | $1,368 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | Medical University of South Carolina College of Medicine |
|---|---|
| Graduation year | 1978 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Prisma Health Medical Group-MidlandsColumbia, SC · 1,068 clinicians
Hospital affiliation
- Prisma Health Tuomey HospitalSumter, SC
Industry payments (Open Payments)
- 2025$61.09 · 3 payments from 3 companies
- 2024$97.25 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dompe US, Inc. | $23.04 | 1 |
| Hydrofera LLC | $22.67 | 1 |
| Hologic Sales and Service, LLC | $15.38 | 1 |
What the 2025 payments were for
- Food and Beverage$61.09 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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