Isabelle Kiefaber
NPI 1003433269 · Pediatrics Physician · Seattle, WA
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isabelle Kiefaber is a Pediatrics Physician provider in Seattle, WA (NPI 1003433269).
Provider details
- NPI number
- 1003433269
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- ML61543728 (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
5 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
- 2020-07-02
- Last updated
- 2024-04-25
- Certified
- 2024-04-25
Frequently asked questions
- What is Isabelle Kiefaber's NPI number?
- Isabelle Kiefaber's National Provider Identifier (NPI) is 1003433269, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isabelle Kiefaber's specialty?
- Isabelle Kiefaber is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Isabelle Kiefaber located?
- Isabelle Kiefaber's practice location on file with NPPES is 4800 Sand Point Way Ne # Oc.7830, Seattle, WA 98105-3901.
- What is Isabelle Kiefaber's phone number?
- The practice phone number listed in the NPPES registry for Isabelle Kiefaber is (206) 987-2525.
- Does Isabelle Kiefaber accept Medicare?
- Isabelle Kiefaber is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isabelle Kiefaber's NPI active?
- Yes — Isabelle Kiefaber's NPI (1003433269) is active in the NPPES registry as of the last update on 2024-04-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.