Mark J. Garwin, M.D.
NPI 1326030396ActiveIndividual· Anesthesiology· Carbondale, IL
Anesthesiology (M.D.) in Carbondale, Illinois, trained at University of Oklahoma College of Medicine (class of 1976). Their prescriptions cost Medicare Part D more than their services did: $193,239 for 166 claims, against $45,108 paid for services in 2024. Janssen Pharmaceuticals, Inc was the largest of 2 companies reporting payments in 2025, $88.64 in all, mostly food and beverage.
Overview
| NPI | 1326030396 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 16, 2005 |
| Last updated in NPPES | Jun 14, 2023 |
| Certified by provider | Jun 14, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 036077675 | IL |
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 - Anesthesiology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 89 |
|---|---|
| Services billed | 153 across 31 procedure codes |
| Paid by Medicare | $45,108 |
Part D prescriptions in 2024
| Prescriptions (claims) | 166 · 166 30-day fills |
|---|---|
| Total drug cost | $193,239 |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 1976 |
| Medicare specialty | Anesthesiology |
Medical group
- Northstar Anesthesia of Illinois, LLCChicago Heights, IL · 409 clinicians
Hospital affiliation
- St Joseph Memorial HospitalMurphysboro, IL
Industry payments (Open Payments)
- 2025$88.64 · 5 payments from 2 companies
- 2024$160.75 · 10 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Pharmaceuticals, Inc | $69.74 | 4 |
| Medtronic, Inc. | $18.90 | 1 |
What the 2025 payments were for
- Food and Beverage$88.64 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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