Sonja Demara Cahoon, CNM
NPI 1902104250ActiveIndividual· Registered Nurse· Fairfield, CA
Registered Nurse (CNM) with Permanente Medical Group Inc, practicing in Fairfield, California. Enrolled in Medicare as practitioner - certified nurse midwife (cnm).
Overview
| NPI | 1902104250 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CNM |
| Sole proprietor | No |
| NPI issued | Mar 10, 2011 |
| Last updated in NPPES | Aug 5, 2025 |
| Certified by provider | Aug 1, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Registered Nurse Primary | 163W00000X | 537712 | CA |
| Advanced Practice Midwife | 367A00000X | — | — |
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 - Certified Nurse Midwife (Cnm) (CA) |
|---|
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Certified Nurse Midwife (Cnm) |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
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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All 109 registered nurses in Fairfield · All registered nurses in California