Aaron Leininger, D.O.
NPI 1679956452ActiveIndividual· Orthopaedic Surgery· New Haven, CT
Orthopaedic Surgery (D.O.) in New Haven, Connecticut, trained at Lake Erie College of Osteopathic Medicine, Erie (class of 2015). Medicare paid $7,432 for services to 14 patients in 2024. Zimmer Biomet Holdings, Inc. was the largest of 2 companies reporting payments in 2025, $904.09 in all, mostly education.
Overview
| NPI | 1679956452 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jun 30, 2015 |
| Last updated in NPPES | Jul 23, 2024 |
| Certified by provider | Jul 23, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 77341 | CT |
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 - Orthopedic Surgery (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 14 |
|---|---|
| Services billed | 17 across 10 procedure codes |
| Paid by Medicare | $7,432 |
Education and affiliations
| Medical school | Lake Erie College of Osteopathic Medicine, Erie |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Orthopedic Surgery |
Medical groups
- Yale UniversityNew Haven, CT · 2,645 clinicians
- Rehabilitation Associates IncFairfield, CT · 529 clinicians
Hospital affiliation
- Yale-New Haven HospitalNew Haven, CT
Other facilities
- Elara CaringHome health agency · Rocky Hill, CT
- Yale New Haven Health - Health at HomeHome health agency · Milford, CT
Industry payments (Open Payments)
- 2025$904.09 · 4 payments from 2 companies
- 2024$6,693 · 10 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zimmer Biomet Holdings, Inc. | $799.54 | 3 |
| Medical Device Business Services, Inc. | $104.55 | 1 |
What the 2025 payments were for
- Education$525.46 · 1 payment
- Food and Beverage$378.63 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 45 orthopedic surgeons in New Haven · All orthopedic surgeons in Connecticut