Donald Ray Siddoway, MD
NPI 1235392093ActiveIndividual· Internal Medicine, Clinical Cardiac Electrophysiology· Columbia, SC
Internal Medicine, Clinical Cardiac Electrophysiology (MD) in Columbia, South Carolina, trained at Georgetown University School of Medicine (class of 2008). In 2024 Medicare paid $268,396 for 1,577 patients, and Part D covered 227 of their prescriptions, 79% of them generic. Atricure, Inc. was the largest of 4 companies reporting payments in 2025, $380.82 in all, mostly food and beverage.
Overview
| NPI | 1235392093 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 2, 2008 |
| Last updated in NPPES | Mar 23, 2022 |
| Certified by provider | Mar 23, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Clinical Cardiac Electrophysiology Primary | 207RC0001X | 86722 | SC |
| Internal Medicine | 207R00000X | MD442073 | PA |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 27143 | WV |
| Internal Medicine, Clinical Cardiac Electrophysiology | 207RC0001X | 27143 | WV |
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 - Cardiac Electrophysiology (PA); Practitioner - Cardiac Electrophysiology (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,577 |
|---|---|
| Services billed | 5,483 across 84 procedure codes |
| Paid by Medicare | $268,396 |
Part D prescriptions in 2024
| Prescriptions (claims) | 227 · 561 30-day fills |
|---|---|
| Patients | 68 |
| Total drug cost | $55,711 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Cardiac Electrophysiology |
Medical group
- Prisma Health Medical Group-MidlandsColumbia, SC · 1,068 clinicians
Hospital affiliations
- Prisma Health BaptistColumbia, SC
- Prisma Health Baptist ParkridgeColumbia, SC
- Prisma Health Richland HospitalColumbia, SC
Industry payments (Open Payments)
- 2025$380.82 · 13 payments from 4 companies
- 2024$2,035 · 38 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Atricure, Inc. | $194.73 | 8 |
| Abbott Laboratories | $82.30 | 1 |
| Boston Scientific Corporation | $80.04 | 3 |
| Philips North America LLC | $23.75 | 1 |
What the 2025 payments were for
- Food and Beverage$380.82 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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