Michael J. Hammett, MD
NPI 1396757910ActiveIndividual· Otolaryngology· Hattiesburg, MS
Otolaryngology (MD) in Hattiesburg, Mississippi, trained at Louisiana State University School of Medicine in New Orleans (class of 1993). 621 Medicare patients in 2024, $140,422 paid; nearly all of their 1,291 Part D prescriptions were generic (98%). Regeneron Healthcare Solutions, Inc. was the largest of 5 companies reporting payments in 2025, $273.95 in all, mostly food and beverage.
Overview
| NPI | 1396757910 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 12, 2006 |
| Last updated in NPPES | Jul 20, 2020 |
| Certified by provider | Jul 20, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | 18426 | MS |
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 - Otolaryngology (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 621 |
|---|---|
| Services billed | 1,922 across 62 procedure codes |
| Paid by Medicare | $140,422 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,291 · 1,602 30-day fills |
|---|---|
| Patients | 437 |
| Total drug cost | $16,990 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in New Orleans |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Otolaryngology |
Medical groups
- Hattiesburg Clinic PAHattiesburg, MS · 537 clinicians
- Fgh Physician BillingHattiesburg, MS · 27 clinicians
Hospital affiliations
- Forrest General HospitalHattiesburg, MS
- Highland Community HospitalPicayune, MS
Industry payments (Open Payments)
- 2025$273.95 · 15 payments from 5 companies
- 2024$226.82 · 11 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $124.24 | 8 |
| Glaxosmithkline, LLC. | $70.64 | 4 |
| Stryker Corporation | $33.72 | 1 |
| Amgen Inc. | $24.97 | 1 |
| Astrazeneca Pharmaceuticals LP | $20.38 | 1 |
What the 2025 payments were for
- Food and Beverage$273.95 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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