Gregory A. Keifer, DO
NPI 1184127912ActiveIndividual· General Practice· Big Pine Key, FL
General Practice (DO) in Big Pine Key, Florida, trained at Marian University College of Osteopathic Medicine (class of 2017). 636 Medicare patients in 2024, $212,774 paid; nearly all of their 3,322 Part D prescriptions were generic (90%). Abbvie Inc. reported $36.79 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1184127912 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Mar 18, 2018 |
| Last updated in NPPES | Jan 28, 2025 |
| Certified by provider | Jan 28, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| General Practice Primary | 208D00000X | OS15605 | 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 - General Practice (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 636 |
|---|---|
| Services billed | 5,279 across 98 procedure codes |
| Paid by Medicare | $212,774 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,322 · 6,382 30-day fills |
|---|---|
| Patients | 348 |
| Total drug cost | $275,982 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Marian University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | General Practice |
| Telehealth | Offers telehealth |
Medical group
- David F Grider PABig Pine Key, FL · 2 clinicians
Hospital affiliations
- Fishermen's Community HospitalMarathon, FL
- Lower Keys Medical CenterKey West, FL
- Mariners HospitalTavernier, FL
Other facilities
- Island Home CareHome health agency · Key West, FL
Industry payments (Open Payments)
- 2024$36.79 · 2 payments from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $36.79 | 2 |
What the 2024 payments were for
- Food and Beverage$36.79 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other general practitioners in Big Pine Key
- 1033375530