Stacey N. Massignan, M.D.
NPI 1801155056ActiveIndividual· Emergency Medicine· Santa Rosa, CA
Emergency Medicine (M.D.) in Santa Rosa, California, trained at State University of New York at Stony Brook, School of Medicine (class of 2012). 627 Medicare patients in 2024, $88,831 paid; nearly all of their 156 Part D prescriptions were generic (90%). Abbott Laboratories was the largest of 2 companies reporting payments in 2025, $271.17 in all, mostly food and beverage.
Overview
| NPI | 1801155056 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 9, 2012 |
| Last updated in NPPES | Mar 26, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 136835 | 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 - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 627 |
|---|---|
| Services billed | 877 across 37 procedure codes |
| Paid by Medicare | $88,831 |
Part D prescriptions in 2024
| Prescriptions (claims) | 156 · 158 30-day fills |
|---|---|
| Patients | 131 |
| Total drug cost | $2,125 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | State University of New York at Stony Brook, School of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Emergency Medicine |
Medical groups
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
- Cep America - CaliforniaPomona, CA · 1,292 clinicians
Hospital affiliations
- Novato Community HospitalNovato, CA
- Providence Santa Rosa Memorial HospitalSanta Rosa, CA
- UCSF Health St. Mary's HospitalSan Francisco, CA
Industry payments (Open Payments)
- 2025$271.17 · 2 payments from 2 companies
- 2024$315.50 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $143.29 | 1 |
| Stryker Corporation | $127.88 | 1 |
What the 2025 payments were for
- Food and Beverage$271.17 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 66 emergency medicine physicians in Santa Rosa · All emergency medicine physicians in California