Robert Denison Griffith, M.D.
NPI 1619235355ActiveIndividual· Dermatology· Knoxville, TN
Dermatology (M.D.) in Knoxville, Tennessee, trained at University of Tennessee, Hsc, College of Medicine (class of 2012). 941 Medicare patients in 2024, $872,081 paid; nearly all of their 2,737 Part D prescriptions were generic (97%). Ucb, Inc. was the largest of 11 companies reporting payments in 2025, $2,097 in all, mostly food and beverage.
Overview
| NPI | 1619235355 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 1, 2012 |
| Last updated in NPPES | Nov 14, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 57954 | 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 - Dermatology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 941 |
|---|---|
| Services billed | 9,138 across 113 procedure codes |
| Paid by Medicare | $872,081 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,737 · 3,341 30-day fills |
|---|---|
| Patients | 1,014 |
| Total drug cost | $441,313 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of Tennessee, Hsc, College of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Dermatology |
Medical group
- Robert Carl Griffith MDKnoxville, TN · 2 clinicians
Industry payments (Open Payments)
- 2025$2,097 · 118 payments from 11 companies
- 2024$3,018 · 156 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ucb, Inc. | $406.53 | 35 |
| Sun Pharmaceutical Industries Inc. | $313.30 | 17 |
| Lilly USA, LLC | $304.07 | 15 |
| Abbvie Inc. | $287.84 | 20 |
| Genzyme Corporation | $226.47 | 5 |
What the 2025 payments were for
- Food and Beverage$2,097 · 118 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other dermatologists in Knoxville
- 1023534732
- 1073589925
- 1134105919
- 1285195131
- 1306891494
- 1316905862
- 1487145322
- 1619204476
- 1689758138
- 1851747695
- 1952693483
- 1972868438
All 26 dermatologists in Knoxville · All dermatologists in Tennessee