John Peter Zopfi, D.O
NPI 1275581886ActiveIndividual· Surgery· Fairfield, CA
Surgery (D.O) with Northbay Physicians Surgery Center, LLC and 1 other group, practicing in Fairfield, California. 156 Medicare patients in 2024, $46,025 paid; nearly all of their 75 Part D prescriptions were generic (99%). Tela Bio, Inc. was the largest of 8 companies reporting payments in 2025, $360.06 in all, mostly food and beverage. Lists Northbay Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1275581886 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O |
| Sole proprietor | Yes |
| NPI issued | May 5, 2006 |
| Last updated in NPPES | Sep 10, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 20A5987 | CA |
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 - General Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 156 |
|---|---|
| Services billed | 286 across 39 procedure codes |
| Paid by Medicare | $46,025 |
Part D prescriptions in 2024
| Prescriptions (claims) | 75 · 75 30-day fills |
|---|---|
| Patients | 46 |
| Total drug cost | $397.13 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | General Surgery |
| Secondary specialties | Colorectal Surgery (Proctology), Surgical Oncology, Thoracic Surgery |
Medical groups
- Northbay Physicians Surgery Center, LLCFairfield, CA · 324 clinicians
- Northbay Health Medical FoundationFairfield, CA · 213 clinicians
Hospital affiliations
- Northbay Medical CenterFairfield, CA
- Sutter Solano Medical CenterVallejo, CA
Industry payments (Open Payments)
- 2025$360.06 · 9 payments from 8 companies
- 2024$371.32 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tela Bio, Inc. | $173.88 | 1 |
| Glaxosmithkline, LLC. | $42.70 | 2 |
| Baxter Healthcare | $31.69 | 1 |
| Actelion Pharmaceuticals US, Inc. | $27.14 | 1 |
| Csl Behring | $26.18 | 1 |
What the 2025 payments were for
- Food and Beverage$360.06 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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