Michael Ryan Buckley, M.D.
NPI 1801038716ActiveIndividual· Surgery, Vascular Surgery· Knoxville, TN
Surgery, Vascular Surgery (M.D.) with University Health System, Inc., practicing in Knoxville, Tennessee. Mostly services rather than prescriptions: Medicare paid $137,684 for 934 patients in 2024, with only 37 Part D claims. Medtronic, Inc. was the largest of 6 companies reporting payments in 2025, $1,140 in all, mostly food and beverage. Lists Blount Memorial Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1801038716 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 24, 2009 |
| Last updated in NPPES | Jun 23, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Vascular Surgery Primary | 2086S0129X | 51476 | 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 - Vascular Surgery (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 934 |
|---|---|
| Services billed | 1,848 across 135 procedure codes |
| Paid by Medicare | $137,684 |
Part D prescriptions in 2024
| Prescriptions (claims) | 37 · 53 30-day fills |
|---|---|
| Patients | 27 |
| Total drug cost | $996.49 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Vascular Surgery |
| Secondary specialties | General Surgery |
Medical group
- University Health System, Inc.Knoxville, TN · 522 clinicians
Hospital affiliations
- Blount Memorial HospitalMaryville, TN
- Physicians Regional Medical CenterPowell, TN
- University Health System, IncKnoxville, TN
Industry payments (Open Payments)
- 2025$1,140 · 19 payments from 6 companies
- 2024$709.05 · 11 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $669.40 | 11 |
| W. L. Gore & Associates, Inc. | $332.28 | 2 |
| Cook Medical LLC | $65.96 | 3 |
| Smith+nephew, Inc. | $30.06 | 1 |
| Mozarc Medical US LLC | $24.46 | 1 |
What the 2025 payments were for
- Food and Beverage$1,098 · 18 payments
- Travel and Lodging$42.78 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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