Timothy Michael Lonergan, MD
NPI 1346683059ActiveIndividual· Orthopaedic Surgery, Foot and Ankle Surgery· Washington, MO
Orthopaedic Surgery, Foot and Ankle Surgery (MD) with Mercy Clinic Surgical Specialists LLC, practicing in Washington, Missouri. 335 Medicare patients in 2024, $103,691 paid; all of their 422 Part D prescriptions were generic. Arthrex, Inc. was the largest of 10 companies reporting payments in 2025, $3,301 in all, mostly food and beverage. Lists Mercy Hospital St Louis and 1 other hospital as hospital affiliations.
Overview
| NPI | 1346683059 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 11, 2013 |
| Last updated in NPPES | Jul 14, 2025 |
| Certified by provider | Jul 14, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Foot and Ankle Surgery Primary | 207XX0004X | 2025014331 | MO |
| Orthopaedic Surgery, Foot and Ankle Surgery | 207XX0004X | 52379 | KY |
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 - Orthopedic Surgery (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 335 |
|---|---|
| Services billed | 2,117 across 124 procedure codes |
| Paid by Medicare | $103,691 |
Part D prescriptions in 2024
| Prescriptions (claims) | 422 · 467 30-day fills |
|---|---|
| Patients | 201 |
| Total drug cost | $4,007 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Orthopedic Surgery |
Medical group
- Mercy Clinic Surgical Specialists LLCSaint Louis, MO · 182 clinicians
Hospital affiliations
- Mercy Hospital St LouisSaint Louis, MO
- Mercy Hospital WashingtonWashington, MO
Other facilities
- Mercy Home HealthHome health agency · Saint Louis, MO
Industry payments (Open Payments)
- 2025$3,301 · 34 payments from 10 companies
- 2024$2,102 · 24 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Arthrex, Inc. | $1,106 | 7 |
| Music City Medical Technologies, LLC | $605.65 | 6 |
| Depuy Synthes Sales Inc. | $462.50 | 6 |
| Stryker Corporation | $305.91 | 5 |
| Paragon 28, Inc. | $238.75 | 2 |
What the 2025 payments were for
- Food and Beverage$2,063 · 29 payments
- Travel and Lodging$1,238 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records