Ernest Grover Buchanan IV, M.D.
NPI 1720088974ActiveIndividual· Family Medicine· Cookeville, TN
Family Medicine (M.D.) in Cookeville, Tennessee, trained at University of Tennessee, Hsc, College of Medicine (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $896,085 for 11,439 claims, against $195,041 paid for services in 2024. Lilly USA, LLC was the largest of 2 companies reporting payments in 2025, $69.09 in all, mostly education.
Overview
| NPI | 1720088974 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 29, 2005 |
| Last updated in NPPES | May 15, 2024 |
| Certified by provider | May 15, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 30853 | TN |
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 - Family Practice (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 512 |
|---|---|
| Services billed | 11,000 across 115 procedure codes |
| Paid by Medicare | $195,041 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,439 · 27,829 30-day fills |
|---|---|
| Patients | 823 |
| Total drug cost | $896,085 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Tennessee, Hsc, College of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Family Practice |
Medical group
- Summit Medical Group, PLLCKnoxville, TN · 652 clinicians
Hospital affiliations
- Cookeville Regional Medical CenterCookeville, TN
- Cumberland Medical CenterCrossville, TN
Other facilities
- Amedisys Home HealthHome health agency · Livingston, TN
- Cookeville Regional Home HealthHome health agency · Cookeville, TN
- Nhc Homecare MurfreesboroHome health agency · Murfreesboro, TN
- Quality Home HealthHome health agency · Jamestown, TN
- Suncrest Home HealthHome health agency · Smithville, TN
Industry payments (Open Payments)
- 2025$69.09 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $45.00 | 1 |
| Medtronic, Inc. | $24.09 | 1 |
What the 2025 payments were for
- Education$45.00 · 1 payment
- Food and Beverage$24.09 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 51 family medicine physicians in Cookeville · All family medicine physicians in Tennessee