Michael J. Kaster, M.D.
NPI 1891180980ActiveIndividual· 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: $334,001 for 606 claims, against $99,596 paid for services in 2024. Pulmonx Corporation was the largest of 9 companies reporting payments in 2025, $1,551 in all, mostly food and beverage. Lists Prisma Health Patewood Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1891180980 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 6, 2015 |
| 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 | 87778 | SC |
| Internal Medicine, Pulmonary Disease | 207RP1001X | 75647 | WI |
| Internal Medicine, Pulmonary Disease | 207RP1001X | 8350 | NE |
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 - Pulmonary Disease (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 404 |
|---|---|
| Services billed | 1,336 across 77 procedure codes |
| Paid by Medicare | $99,596 |
Part D prescriptions in 2024
| Prescriptions (claims) | 606 · 731 30-day fills |
|---|---|
| Patients | 124 |
| Total drug cost | $334,001 |
| Generic share | 35% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| 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 Baptist Easley HospitalEasley, SC
- Prisma Health Greenville Memorial HospitalGreenville, SC
- Prisma Health Greer Memorial HospitalSpartanburg, SC
- Prisma Health Hillcrest HospitalSimpsonville, SC
Industry payments (Open Payments)
- 2025$1,551 · 21 payments from 9 companies
- 2024$858.47 · 19 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pulmonx Corporation | $794.10 | 5 |
| Ethicon Inc. | $367.52 | 5 |
| Galvanize Therapeutics, Inc | $145.55 | 1 |
| Noah Medical Corporation | $93.90 | 4 |
| Genzyme Corporation | $50.64 | 2 |
What the 2025 payments were for
- Food and Beverage$1,263 · 20 payments
- Travel and Lodging$288.22 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 37 pulmonologists in Greenville · All pulmonologists in South Carolina