Mary S. Corkern, MD
NPI 1740298116ActiveIndividual· Hospitalist· Hattiesburg, MS
Hospitalist (MD) in Hattiesburg, Mississippi, trained at University of Mississippi School of Medicine (class of 1995). In 2024 Medicare paid $20,877 for 118 patients, and Part D covered 223 of their prescriptions, 85% of them generic. Pfizer Inc. reported $36.32 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1740298116 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 3, 2006 |
| Last updated in NPPES | Mar 26, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 16420 | MS |
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 - Internal Medicine (AL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 118 |
|---|---|
| Services billed | 294 across 8 procedure codes |
| Paid by Medicare | $20,877 |
Part D prescriptions in 2024
| Prescriptions (claims) | 223 · 266 30-day fills |
|---|---|
| Patients | 76 |
| Total drug cost | $15,159 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Mississippi School of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Internal Medicine |
Medical group
- Hospital Medicine Associates LLCWesterly, RI · 211 clinicians
Hospital affiliations
- St Vincent's BirminghamBirmingham, AL
- St Vincent's St ClairPell City, AL
- St. Vincent's EastBirmingham, AL
Industry payments (Open Payments)
- 2025$36.32 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $36.32 | 2 |
What the 2025 payments were for
- Food and Beverage$36.32 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 48 hospitalists in Hattiesburg · All hospitalists in Mississippi