Andrew Mathias, RDN
NPI 1770309379 · Registered Dietitian · Federal Way, WA
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Mathias, RDN is a Registered Dietitian provider in Federal Way, WA (NPI 1770309379).
Provider details
- NPI number
- 1770309379
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RDN
- Sex
- Male
- Sole proprietor
- No
- License
- DI61370767 (WA)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
- 2024-11-27
- Last updated
- 2024-12-27
- Certified
- 2024-12-27
Frequently asked questions
- What is Andrew Mathias's NPI number?
- Andrew Mathias's National Provider Identifier (NPI) is 1770309379, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Mathias's specialty?
- Andrew Mathias is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Andrew Mathias located?
- Andrew Mathias's practice location on file with NPPES is 31405 18th Ave S, Federal Way, WA 98003-5433.
- What is Andrew Mathias's phone number?
- The practice phone number listed in the NPPES registry for Andrew Mathias is (253) 681-6600.
- Does Andrew Mathias accept Medicare?
- Andrew Mathias is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Mathias's NPI active?
- Yes — Andrew Mathias's NPI (1770309379) is active in the NPPES registry as of the last update on 2024-12-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.