John M. Aversa Jr., D.O
NPI 1588830699ActiveIndividual· Colon & Rectal Surgery· Hamden, CT
Colon & Rectal Surgery (D.O) in Hamden, Connecticut, trained at Philadelphia College of Osteopathic Medicine (class of 2000). 94 Medicare patients in 2024, $47,172 paid; nearly all of their 187 Part D prescriptions were generic (90%). Ethicon US, LLC was the largest of 4 companies reporting payments in 2025, $95.88 in all, mostly food and beverage.
Overview
| NPI | 1588830699 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O |
| Sole proprietor | No |
| NPI issued | May 8, 2008 |
| Last updated in NPPES | May 26, 2021 |
| Certified by provider | May 26, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Colon & Rectal Surgery Primary | 208C00000X | 044105 | 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 - Colorectal Surgery (Proctology) (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 94 |
|---|---|
| Services billed | 225 across 47 procedure codes |
| Paid by Medicare | $47,172 |
Part D prescriptions in 2024
| Prescriptions (claims) | 187 · 187 30-day fills |
|---|---|
| Patients | 103 |
| Total drug cost | $10,203 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Colorectal Surgery (Proctology) |
Medical group
- Hhc Physician Services PLLCHamden, CT · 132 clinicians
Hospital affiliation
- Griffin HospitalDerby, CT
Industry payments (Open Payments)
- 2025$95.88 · 5 payments from 4 companies
- 2024$1,754 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ethicon US, LLC | $42.70 | 2 |
| Solventum Corporation | $30.22 | 1 |
| Thd America, Inc. | $17.45 | 1 |
| Boston Scientific Corporation | $5.51 | 1 |
What the 2025 payments were for
- Food and Beverage$95.88 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other colorectal surgeons in Hamden
- 1154574606