Alvin C. Abinsay, M.D.
NPI 1689608002ActiveIndividual· Internal Medicine· Marion, SC
Internal Medicine (M.D.) with Medical University Hospital Authority, practicing in Marion, South Carolina. Their prescriptions cost Medicare Part D more than their services did: $1,225,005 for 18,305 claims, against $11,613 paid for services in 2024. Phathom Pharmaceuticals, Inc. reported $208.46 in payments in 2025, mostly food and beverage. Lists McLeod Regional Medical Center-Pee Dee and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1689608002 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 10, 2006 |
| Last updated in NPPES | Oct 8, 2020 |
| Certified by provider | Oct 8, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 18932 | SC |
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 - Internal Medicine (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 151 |
|---|---|
| Services billed | 176 across 6 procedure codes |
| Paid by Medicare | $11,613 |
Part D prescriptions in 2024
| Prescriptions (claims) | 18,305 · 34,060 30-day fills |
|---|---|
| Patients | 864 |
| Total drug cost | $1,225,005 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Medical University Hospital AuthorityLake City, SC · 220 clinicians
Hospital affiliations
- McLeod Regional Medical Center-Pee DeeFlorence, SC
- Musc Health Florence Medical CenterFlorence, SC
- Musc Health Marion Medical CenterMullins, SC
- Musc Medical CenterCharleston, SC
Other facilities
- Amedisys Home Health of ConwayHome health agency · Conway, SC
- Centerwell Home Health-Pee DeeHome health agency · Florence, SC
- Musc Health at Home By Bayada-ConwayHome health agency · Conway, SC
Industry payments (Open Payments)
- 2025$208.46 · 2 payments from 1 company
- 2024$160.01 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $208.46 | 2 |
What the 2025 payments were for
- Food and Beverage$208.46 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Marion
- 1780881185
- 1699793703