Gregory Jack Hardin, M.D.
NPI 1457677213ActiveIndividual· Internal Medicine· Louisville, KY
Internal Medicine (M.D.) in Louisville, Kentucky, trained at University of Kentucky College of Medicine (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $96,042 for 1,094 claims, against $35,009 paid for services in 2024. Abbvie Inc. reported $27.09 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1457677213 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 19, 2010 |
| Last updated in NPPES | Jan 30, 2026 |
| Certified by provider | Jan 30, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 59143 | KY |
| Hospitalist | 208M00000X | 271063 | NY |
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 (KY); Practitioner - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 129 |
|---|---|
| Services billed | 398 across 6 procedure codes |
| Paid by Medicare | $35,009 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,094 · 2,465 30-day fills |
|---|---|
| Patients | 346 |
| Total drug cost | $96,042 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Kentucky College of Medicine |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Signal Health IncLouisville, KY · 26 clinicians
Other facilities
- Amedisys Delaware, LLCHome health agency · Dover, DE
- Amedisys Home HealthHome health agency · Georgetown, DE
- Amedisys Home HealthHome health agency · Portsmouth, NH
- North Georgia Home Health Agency, An Amedysis CompHome health agency · Ringgold, GA
- Wentworth Home Care & Hospice, An Amedisys PartnerHome health agency · Somersworth, NH
Industry payments (Open Payments)
- 2025$27.09 · 1 payment from 1 company
- 2024$26.49 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $27.09 | 1 |
What the 2025 payments were for
- Food and Beverage$27.09 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 566 internal medicine physicians in Louisville · All internal medicine physicians in Kentucky