Sophia Masi
NPI 1124655212 · Pediatrics Physician · Seattle, WA
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sophia Masi is a Pediatrics Physician provider in Seattle, WA (NPI 1124655212).
Provider details
- NPI number
- 1124655212
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- ML61060230 (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
6 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
- 2020-03-26
- Last updated
- 2020-06-23
- Certified
- 2020-06-23
Frequently asked questions
- What is Sophia Masi's NPI number?
- Sophia Masi's National Provider Identifier (NPI) is 1124655212, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sophia Masi's specialty?
- Sophia Masi is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Sophia Masi located?
- Sophia Masi's practice location on file with NPPES is 4800 Sand Point Way Ne, Seattle, WA 98105.
- What is Sophia Masi's phone number?
- The practice phone number listed in the NPPES registry for Sophia Masi is (206) 987-2525.
- Does Sophia Masi accept Medicare?
- Sophia Masi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sophia Masi's NPI active?
- Yes — Sophia Masi's NPI (1124655212) is active in the NPPES registry as of the last update on 2020-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.