Jay David Parkin, MD
NPI 1780679340ActiveIndividual· Orthopaedic Surgery· Fairfield, CA
Orthopaedic Surgery (MD) in Fairfield, California, trained at Stanford University School of Medicine (class of 1988). 487 Medicare patients in 2024, $227,562 paid; nearly all of their 153 Part D prescriptions were generic (99%). Amgen Inc. was the largest of 3 companies reporting payments in 2025, $195.63 in all, mostly food and beverage.
Overview
| NPI | 1780679340 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Sep 20, 2005 |
| Last updated in NPPES | Jul 23, 2025 |
| Certified by provider | Jul 23, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | G88371 | 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 - Orthopedic Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 487 |
|---|---|
| Services billed | 3,186 across 101 procedure codes |
| Paid by Medicare | $227,562 |
Part D prescriptions in 2024
| Prescriptions (claims) | 153 · 155 30-day fills |
|---|---|
| Patients | 79 |
| Total drug cost | $1,994 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Stanford University School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Orthopedic Surgery |
| Telehealth | Offers telehealth |
Medical groups
- Northbay Physicians Surgery Center, LLCFairfield, CA · 324 clinicians
- Northbay Health Medical FoundationFairfield, CA · 213 clinicians
- St. Helena HospitalSaint Helena, CA · 84 clinicians
- Napa Valley Orthopaedic Medical Group IncNapa, CA · 17 clinicians
Hospital affiliations
- Adventist Health ClearlakeClearlake, CA
- Adventist Health Howard MemorialWillits, CA
- Adventist Health St HelenaSaint Helena, CA
- Northbay Medical CenterFairfield, CA
- Providence Queen of the Valley Medical CenterNapa, CA
Other facilities
- Prohealth Home Care, IncHome health agency · Sacramento, CA
Industry payments (Open Payments)
- 2025$195.63 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $150.22 | 2 |
| Janssen Biotech, Inc. | $30.76 | 1 |
| Bioventus LLC | $14.65 | 1 |
What the 2025 payments were for
- Food and Beverage$195.63 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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