Sienna Nelson, MD
NPI 1326508912 · Family Medicine Physician · Woodburn, OR
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sienna Nelson, MD is a Family Medicine Physician provider in Woodburn, OR (NPI 1326508912).
Provider details
- NPI number
- 1326508912
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD203210 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-03-21
- Last updated
- 2023-07-24
- Certified
- 2023-07-24
Frequently asked questions
- What is Sienna Nelson's NPI number?
- Sienna Nelson's National Provider Identifier (NPI) is 1326508912, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sienna Nelson's specialty?
- Sienna Nelson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sienna Nelson located?
- Sienna Nelson's practice location on file with NPPES is 1175 Mount Hood Ave, Woodburn, OR 97071-9060.
- What is Sienna Nelson's phone number?
- The practice phone number listed in the NPPES registry for Sienna Nelson is (503) 982-2000.
- Does Sienna Nelson accept Medicare?
- Sienna Nelson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sienna Nelson's NPI active?
- Yes — Sienna Nelson's NPI (1326508912) is active in the NPPES registry as of the last update on 2023-07-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.