Crystal J. Cox, PA
NPI 1811195100ActiveIndividual· Physician Assistant· Santa Rosa, CA
Physician Assistant (PA) in Santa Rosa, California, trained at Stanford University School of Medicine (class of 1990). In 2024 Medicare paid $28,294 for 347 patients, and Part D covered 357 of their prescriptions, 88% of them generic.
Overview
| NPI | 1811195100 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Jul 7, 2007 |
| Last updated in NPPES | Aug 5, 2022 |
| Certified by provider | Aug 5, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 12696 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 347 |
|---|---|
| Services billed | 572 across 27 procedure codes |
| Paid by Medicare | $28,294 |
Part D prescriptions in 2024
| Prescriptions (claims) | 357 · 366 30-day fills |
|---|---|
| Patients | 266 |
| Total drug cost | $3,860 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Stanford University School of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Physician Assistant |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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