Garvin Kent Chastain, MD
NPI 1518933829ActiveIndividual· Internal Medicine· Cleveland, TN
Internal Medicine (MD) in Cleveland, Tennessee, trained at University of Tennessee, Hsc, College of Medicine (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $1,193,128 for 11,768 claims, against $97,564 paid for services in 2024. Novo Nordisk Inc was the largest of 27 companies reporting payments in 2025, $1,837 in all, mostly food and beverage.
Overview
| NPI | 1518933829 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 27, 2006 |
| Last updated in NPPES | Feb 18, 2021 |
| Certified by provider | Feb 18, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 16293 | 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 | 470 |
|---|---|
| Services billed | 1,841 across 51 procedure codes |
| Paid by Medicare | $97,564 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,768 · 26,355 30-day fills |
|---|---|
| Patients | 722 |
| Total drug cost | $1,193,128 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Tennessee, Hsc, College of Medicine |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Internal Medicine |
Medical group
- Cleveland Medical Associates, PLLCCleveland, TN · 11 clinicians
Hospital affiliations
- Affiliate of Vitruvian HealthCleveland, TN
- Memorial Healthcare System, IncChattanooga, TN
Other facilities
- Accentcare Home Health of TennesseeHome health agency · Chattanooga, TN
- Amedisys Home Health ChattanoogaHome health agency · Chattanooga, TN
- Beacon Home HealthHome health agency · Cleveland, TN
- Tennessee Home HealthHome health agency · Cleveland, TN
Industry payments (Open Payments)
- 2025$1,837 · 99 payments from 27 companies
- 2024$1,313 · 77 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $408.06 | 20 |
| Amgen Inc. | $174.49 | 12 |
| Lilly USA, LLC | $156.00 | 10 |
| Abbott Laboratories | $107.28 | 5 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $104.08 | 5 |
What the 2025 payments were for
- Food and Beverage$1,837 · 99 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 34 internal medicine physicians in Cleveland · All internal medicine physicians in Tennessee