Benjamin P. Dalton, MD
NPI 1396979936ActiveIndividual· Internal Medicine, Gastroenterology· Knoxville, TN
Internal Medicine, Gastroenterology (MD) in Knoxville, Tennessee, trained at Jc Edwards School of Medicine, Marshall University (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $1,011,310 for 1,305 claims, against $43,647 paid for services in 2024. Abbvie Inc. was the largest of 16 companies reporting payments in 2025, $1,831 in all, mostly food and beverage.
Overview
| NPI | 1396979936 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 12, 2009 |
| Last updated in NPPES | Feb 15, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 53046 | 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 | 319 |
|---|---|
| Services billed | 592 across 35 procedure codes |
| Paid by Medicare | $43,647 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,305 · 2,498 30-day fills |
|---|---|
| Patients | 430 |
| Total drug cost | $1,011,310 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | Jc Edwards School of Medicine, Marshall University |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Internal Medicine |
Medical group
- University Health System, Inc.Knoxville, TN · 522 clinicians
Hospital affiliation
- University Health System, IncKnoxville, TN
Industry payments (Open Payments)
- 2025$1,831 · 110 payments from 16 companies
- 2024$1,923 · 109 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $417.94 | 31 |
| Janssen Biotech, Inc. | $389.31 | 20 |
| Madrigal Pharmaceuticals | $221.31 | 4 |
| Pfizer Inc. | $158.16 | 12 |
| Takeda Pharmaceuticals U.S.A., Inc. | $153.92 | 15 |
What the 2025 payments were for
- Food and Beverage$1,831 · 110 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other gastroenterologists in Knoxville
- 1003993163
- 1023541109
- 1033506894
- 1053493791
- 1134612666
- 1144290727
- 1205009180
- 1255306072
- 1255418315
- 1275508095
- 1306948187
- 1376519074
All 56 gastroenterologists in Knoxville · All gastroenterologists in Tennessee