Quick answers
- Does Holly C. Dorrance accept Medicare assignment?
- Yes. Medicare's clinician data says Holly C. Dorrance 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 Holly C. Dorrance's NPI number?
- 1326806894. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Holly C. Dorrance is enrolled with Medicare (CMS data updated October 2, 2026).
- 1400 SW 5th Ave, Fl 5Portland, OR 97201
- 18223 Anduin TerLake Oswego, OR 97034
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Oregon →
Other nurse anesthetists in Portland
Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| School | Georgetown University School Of Medicine |
| Graduation year | 2026 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326806894 |
| 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
- 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