Robert N. Montgomery, MD
NPI 1124064167ActiveIndividual· Internal Medicine· Knoxville, TN
Internal Medicine (MD) in Knoxville, Tennessee, trained at University of Tennessee, Hsc, College of Medicine (class of 1973). Their prescriptions cost Medicare Part D more than their services did: $764,724 for 10,473 claims, against $188,989 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 22 companies reporting payments in 2025, $1,477 in all, mostly food and beverage.
Overview
| NPI | 1124064167 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 20, 2006 |
| Last updated in NPPES | May 5, 2020 |
| Certified by provider | May 5, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 08545 | TN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 317 |
|---|---|
| Services billed | 6,737 across 131 procedure codes |
| Paid by Medicare | $188,989 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,473 · 23,042 30-day fills |
|---|---|
| Patients | 627 |
| Total drug cost | $764,724 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Tennessee, Hsc, College of Medicine |
|---|---|
| Graduation year | 1973 |
| Medicare specialty | Internal Medicine |
Medical group
- Summit Medical Group, PLLCKnoxville, TN · 652 clinicians
Hospital affiliations
- Fort Loudoun Medical CenterLenoir City, TN
- Fort Sanders Regional Medical CenterKnoxville, TN
- Methodist Medical Center of Oak RidgeOak Ridge, TN
- Parkwest Medical CenterKnoxville, TN
- University Health System, IncKnoxville, TN
Other facilities
- Amedisys Home Health CareHome health agency · Knoxville, TN
- Enhabit Home HealthHome health agency · Knoxville, TN
- GentivaHospice · Nashville, TN
Industry payments (Open Payments)
- 2025$1,477 · 115 payments from 22 companies
- 2024$1,609 · 122 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $188.94 | 20 |
| Novo Nordisk Inc | $184.70 | 14 |
| Abbvie Inc. | $178.54 | 21 |
| Amgen Inc. | $156.00 | 17 |
| Lilly USA, LLC | $135.37 | 9 |
What the 2025 payments were for
- Food and Beverage$1,477 · 115 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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