Michael A. Hennigan, M.D.
NPI 1003971839ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Fairhope, AL
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Fairhope, Alabama, trained at University of South Alabama College of Medicine (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $1,619,628 for 3,143 claims, against $34,913 paid for services in 2024. Amgen Inc. was the largest of 16 companies reporting payments in 2025, $1,450 in all, mostly food and beverage.
Overview
| NPI | 1003971839 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 22, 2006 |
| Last updated in NPPES | Mar 11, 2024 |
| Certified by provider | Mar 11, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 00014952 | AL |
| Internal Medicine, Endocrinology, Diabetes & Metabolism | 207RE0101X | ME133406 | FL |
| Internal Medicine, Endocrinology, Diabetes & Metabolism | 207RE0101X | 173573 | AK |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (AK); Practitioner - Endocrinology (AL); Practitioner - Endocrinology (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 135 |
|---|---|
| Services billed | 545 across 10 procedure codes |
| Paid by Medicare | $34,913 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,143 · 6,635 30-day fills |
|---|---|
| Patients | 323 |
| Total drug cost | $1,619,628 |
| Generic share | 58% of claims |
Education and affiliations
| Medical school | University of South Alabama College of Medicine |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Imc-Eastern Shore Adult Medicine, LLCFairhope, AL · 19 clinicians
Hospital affiliations
- Central Peninsula General HospitalSoldotna, AK
- Gulf Breeze HospitalGulf Breeze, FL
- North Baldwin InfirmaryBay Minette, AL
- South Peninsula HospitalHomer, AK
- Thomas HospitalFairhope, AL
Industry payments (Open Payments)
- 2025$1,450 · 42 payments from 16 companies
- 2024$401.39 · 17 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $503.79 | 9 |
| Novo Nordisk Inc | $206.47 | 7 |
| Novartis Pharmaceuticals Corporation | $199.54 | 9 |
| Beta Bionics, Inc. | $175.50 | 2 |
| Lilly USA, LLC | $60.28 | 3 |
What the 2025 payments were for
- Food and Beverage$1,400 · 40 payments
- Education$49.74 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Fairhope
- 1790106607
- 1407957046
All Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Alabama →