Matthew Nathan
NPI 1598385601 · Pediatrics Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Nathan is a Pediatrics Physician provider in Seattle, WA (NPI 1598385601).
Provider details
- NPI number
- 1598385601
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- OP61558014 (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
- 2020-04-18
- Last updated
- 2025-05-05
- Certified
- 2025-05-05
Frequently asked questions
- What is Matthew Nathan's NPI number?
- Matthew Nathan's National Provider Identifier (NPI) is 1598385601, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Nathan's specialty?
- Matthew Nathan is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Nathan located?
- Matthew Nathan's practice location on file with NPPES is 904 7th Ave, Seattle, WA 98104-1132.
- What is Matthew Nathan's phone number?
- The practice phone number listed in the NPPES registry for Matthew Nathan is (206) 292-2249.
- Does Matthew Nathan accept Medicare?
- Matthew Nathan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Nathan's NPI active?
- Yes — Matthew Nathan's NPI (1598385601) is active in the NPPES registry as of the last update on 2025-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.