Ellen Passloff, MD
NPI 1033288188 · Pediatrics Physician · Shoreline, WA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ellen Passloff, MD is a Pediatrics Physician provider in Shoreline, WA (NPI 1033288188).
Provider details
- NPI number
- 1033288188
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD00030068 (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
19 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
- 2006-11-06
- Last updated
- 2026-05-14
- Certified
- 2026-05-14
Frequently asked questions
- What is Ellen Passloff's NPI number?
- Ellen Passloff's National Provider Identifier (NPI) is 1033288188, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Passloff's specialty?
- Ellen Passloff is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Ellen Passloff located?
- Ellen Passloff's practice location on file with NPPES is 1201 N 175th St, Shoreline, WA 98133-5064.
- What is Ellen Passloff's phone number?
- The practice phone number listed in the NPPES registry for Ellen Passloff is (206) 401-3200.
- Does Ellen Passloff accept Medicare?
- Ellen Passloff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ellen Passloff's NPI active?
- Yes — Ellen Passloff's NPI (1033288188) 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.