Allison Wood Griffin, MD
NPI 1407389422ActiveIndividual· Internal Medicine· Zephyrhills, FL
Internal Medicine (MD) in Zephyrhills, Florida, trained at Mercer University School of Medicine (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $2,239,299 for 16,980 claims, against $52,479 paid for services in 2024. Lilly USA, LLC was the largest of 13 companies reporting payments in 2025, $662.16 in all, mostly food and beverage.
Overview
| NPI | 1407389422 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 6, 2017 |
| Last updated in NPPES | Mar 11, 2026 |
| Certified by provider | Mar 11, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | ME179025 | FL |
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); Practitioner - Internal Medicine (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 153 |
|---|---|
| Services billed | 2,303 across 108 procedure codes |
| Paid by Medicare | $52,479 |
Part D prescriptions in 2024
| Prescriptions (claims) | 16,980 · 38,867 30-day fills |
|---|---|
| Patients | 1,058 |
| Total drug cost | $2,239,299 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Mercer University School of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Internal Medicine |
Medical groups
- Millennium Physician Group LLCJacksonville, FL · 982 clinicians
- Birmingham Internal Medicine Associates, LLCPell City, AL · 124 clinicians
Other facilities
- Centerwell Home HealthHome health agency · Hoover, AL
Industry payments (Open Payments)
- 2025$662.16 · 35 payments from 13 companies
- 2024$958.41 · 48 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $97.45 | 6 |
| Pfizer Inc. | $93.90 | 5 |
| Astellas Pharma US Inc | $85.98 | 4 |
| Corcept Therapeutics | $83.36 | 4 |
| Glaxosmithkline, LLC. | $56.06 | 3 |
What the 2025 payments were for
- Food and Beverage$662.16 · 35 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 47 internal medicine physicians in Zephyrhills · All internal medicine physicians in Florida