Nancy Thordarson, MD
NPI 1962470674 · Pediatrics Physician · Marysville, WA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nancy Thordarson, MD is a Pediatrics Physician provider in Marysville, WA (NPI 1962470674).
Provider details
- NPI number
- 1962470674
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD00025700 (WA)
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
20 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
- 2006-03-09
- Last updated
- 2026-05-14
- Certified
- 2026-05-14
Frequently asked questions
- What is Nancy Thordarson's NPI number?
- Nancy Thordarson's National Provider Identifier (NPI) is 1962470674, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Thordarson's specialty?
- Nancy Thordarson is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Nancy Thordarson located?
- Nancy Thordarson's practice location on file with NPPES is 4420 76th St Ne, Marysville, WA 98270-3726.
- What is Nancy Thordarson's phone number?
- The practice phone number listed in the NPPES registry for Nancy Thordarson is (360) 651-7492.
- Does Nancy Thordarson accept Medicare?
- Nancy Thordarson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nancy Thordarson's NPI active?
- Yes — Nancy Thordarson's NPI (1962470674) is active in the NPPES registry as of the last update on 2026-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.