Sean P. Callahan, M.D.
NPI 1043505670ActiveIndividual· Internal Medicine, Pulmonary Disease· Greenville, SC
Internal Medicine, Pulmonary Disease (M.D.) with Prisma Health University Medical Group, practicing in Greenville, South Carolina. Their prescriptions cost Medicare Part D more than their services did: $396,851 for 851 claims, against $81,021 paid for services in 2024. Noah Medical Corporation was the largest of 11 companies reporting payments in 2025, $93,512 in all, mostly consulting fees. Lists Prisma Health Patewood Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1043505670 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 11, 2011 |
| Last updated in NPPES | Dec 15, 2025 |
| Certified by provider | Dec 15, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 37061 | 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 - Pulmonary Disease (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 361 |
|---|---|
| Services billed | 1,129 across 62 procedure codes |
| Paid by Medicare | $81,021 |
Part D prescriptions in 2024
| Prescriptions (claims) | 851 · 1,236 30-day fills |
|---|---|
| Patients | 186 |
| Total drug cost | $396,851 |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Telehealth | Offers telehealth |
Medical group
- Prisma Health University Medical GroupGreenville, SC · 2,493 clinicians
Hospital affiliations
- Prisma Health Patewood HospitalGreenville, SC
- Prisma Health Greenville Memorial HospitalGreenville, SC
- Prisma Health Greer Memorial HospitalSpartanburg, SC
- Prisma Health Hillcrest HospitalSimpsonville, SC
- Prisma Health Oconee Memorial HospitalSeneca, SC
Other facilities
- Prisma Health North Greenville LtachLong-term care hospital · Travelers Rest, SC
Industry payments (Open Payments)
- 2025$93,512 · 100 payments from 11 companies
- 2024$155,867 · 107 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Noah Medical Corporation | $91,577 | 61 |
| Pulmonx Corporation | $754.36 | 3 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $349.55 | 4 |
| Galvanize Therapeutics, Inc | $250.42 | 2 |
| Electromed, Inc. | $190.91 | 16 |
What the 2025 payments were for
- Consulting Fee$80,463 · 11 payments
- Travel and Lodging$8,977 · 24 payments
- Food and Beverage$4,073 · 65 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Pulmonary Disease providers in Greenville
- 1275618175
- 1821047044
- 1689620429
- 1962457606
- 1730128307
- 1124557665
- 1962440149
- 1356703466
- 1467495333
- 1710208939
- 1003963141
- 1821049263
All Internal Medicine, Pulmonary Disease providers in South Carolina →