Quick answers
- Does Carissa M. St. Onge Carneiro accept Medicare assignment?
- Yes. Medicare's clinician data says Carissa M. St. Onge Carneiro accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Carissa M. St. Onge Carneiro's NPI number?
- 1891155677. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Carissa M. St. Onge Carneiro works
Medicare's Facility Affiliation Data lists Carissa M. St. Onge Carneiro at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Adventist Health PortlandPortland, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380060
Practice locations
Addresses where Carissa M. St. Onge Carneiro is enrolled with Medicare (CMS data updated October 2, 2026).
- 10101 SE Main St, Suite 3001Portland, OR 97216 (503) 261‑4423
Group practices
Medicare enrollment lists Carissa M. St. Onge Carneiro as a member of this group (CMS data updated October 2, 2026).
- Portland Adventist Medical Center271 clinicians in the group
Specialties
Find other clinicians: Certified Nurse Midwife (CNM), Oregon →
Other nurse midwifes in Portland
Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.
Other clinicians in Portland Adventist Medical Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNM |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891155677 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians