Aaron L. Knoll, MD
NPI 1669468690ActiveIndividual· Internal Medicine, Gastroenterology· Beavercreek, OH
Internal Medicine, Gastroenterology (MD) in Beavercreek, Ohio, licensed in OH, with an NPI issued in September 2005. Their prescriptions cost Medicare Part D more than their services did: $503,815 for 1,816 claims, against $161,927 paid for services in 2024. Salix Pharmaceuticals, A Division of Bausch Health US, LLC reported $19.11 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1669468690 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 26, 2005 |
| Last updated in NPPES | Aug 24, 2020 |
| Certified by provider | Aug 24, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 35.063209 | OH |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 380 |
|---|---|
| Services billed | 5,928 across 39 procedure codes |
| Paid by Medicare | $161,927 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,816 · 2,683 30-day fills |
|---|---|
| Patients | 526 |
| Total drug cost | $503,815 |
| Generic share | 83% of claims |
Industry payments (Open Payments)
- 2025$19.11 · 1 payment from 1 company
- 2024$863.63 · 47 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $19.11 | 1 |
What the 2025 payments were for
- Food and Beverage$19.11 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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