Keith Lou Anthony Perkins Jr., M.D.
NPI 1225253883ActiveIndividual· Internal Medicine· Clarksville, TN
Internal Medicine (M.D.) in Clarksville, Tennessee, trained at Meharry Medical College School of Medicine (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $815,883 for 8,000 claims, against $50,641 paid for services in 2024. Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) was the largest of 5 companies reporting payments in 2025, $259.23 in all, mostly food and beverage.
Overview
| NPI | 1225253883 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 17, 2007 |
| Last updated in NPPES | Jul 7, 2026 |
| Certified by provider | Jul 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 46862 | TN |
| Pediatrics | 208000000X | 46862 | 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 - Internal Medicine (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 116 |
|---|---|
| Services billed | 950 across 42 procedure codes |
| Paid by Medicare | $50,641 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,000 · 12,740 30-day fills |
|---|---|
| Patients | 269 |
| Total drug cost | $815,883 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Meharry Medical College School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pediatric Medicine |
| Telehealth | Offers telehealth |
Medical group
- Centerwell Senior Primary Care Tn PCClarksville, TN · 39 clinicians
Hospital affiliations
- Hardin Medical CenterSavannah, TN
- Jackson-Madison County General HospitalJackson, TN
- Magnolia Regional Health CenterCorinth, MS
Other facilities
- Beacon Home HealthHome health agency · Jackson, TN
- Deaconess HomecareHome health agency · Savannah, TN
- Hmc Home Health, LLCHome health agency · Savannah, TN
Industry payments (Open Payments)
- 2025$259.23 · 7 payments from 5 companies
- 2024$154.22 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $125.60 | 1 |
| Novo Nordisk Inc | $57.91 | 2 |
| Astrazeneca Pharmaceuticals LP | $42.57 | 2 |
| Supernus Pharmaceuticals, Inc. | $16.83 | 1 |
| Cranial Technologies, Inc | $16.32 | 1 |
What the 2025 payments were for
- Food and Beverage$259.23 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 36 internal medicine physicians in Clarksville · All internal medicine physicians in Tennessee