Rachel Ann Mihelich, PA
NPI 1346715588ActiveIndividual· Physician Assistant, Surgical· Walnut Creek, CA
Physician Assistant, Surgical (PA) with Northbay Physicians Surgery Center, LLC and 2 other groups, practicing in Walnut Creek, California. 191 Medicare patients in 2024, $37,664 paid; nearly all of their 106 Part D prescriptions were generic (94%). Evolution Surgical, Inc was the largest of 2 companies reporting payments in 2025, $76.21 in all, mostly food and beverage. Lists Northbay Medical Center as a hospital affiliation.
Overview
| NPI | 1346715588 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Oct 3, 2018 |
| Last updated in NPPES | Jun 24, 2022 |
| Certified by provider | Jun 24, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Surgical Primary | 363AS0400X | 56113 | CA |
| Physician Assistant | 363A00000X | — | — |
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 - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 191 |
|---|---|
| Services billed | 3,617 across 62 procedure codes |
| Paid by Medicare | $37,664 |
Part D prescriptions in 2024
| Prescriptions (claims) | 106 · 106 30-day fills |
|---|---|
| Patients | 55 |
| Total drug cost | $750.93 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Northbay Physicians Surgery Center, LLCFairfield, CA · 324 clinicians
- Northbay Health Medical FoundationFairfield, CA · 213 clinicians
- Golden State Orthopedics and SpineCampbell, CA · 182 clinicians
Hospital affiliation
- Northbay Medical CenterFairfield, CA
Industry payments (Open Payments)
- 2025$76.21 · 2 payments from 2 companies
- 2024$164.16 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Evolution Surgical, Inc | $55.07 | 1 |
| Bioventus LLC | $21.14 | 1 |
What the 2025 payments were for
- Food and Beverage$76.21 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 36 surgical physician assistants in Walnut Creek · All surgical physician assistants in California