Margaret Schaefer
NPI 1902242332 · Pediatrics Physician · Mill Creek, WA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Schaefer is a Pediatrics Physician provider in Mill Creek, WA (NPI 1902242332).
Provider details
- NPI number
- 1902242332
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2013-05-13
- Last updated
- 2016-12-09
Frequently asked questions
- What is Margaret Schaefer's NPI number?
- Margaret Schaefer's National Provider Identifier (NPI) is 1902242332, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Schaefer's specialty?
- Margaret Schaefer is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Schaefer located?
- Margaret Schaefer's practice location on file with NPPES is 15418 Main St, Mill Creek, WA 98012-9030.
- What is Margaret Schaefer's phone number?
- The practice phone number listed in the NPPES registry for Margaret Schaefer is (425) 225-8002.
- Does Margaret Schaefer accept Medicare?
- Margaret Schaefer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Schaefer's NPI active?
- Yes — Margaret Schaefer's NPI (1902242332) is active in the NPPES registry as of the last update on 2016-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.