Matthew Grunewald, RDN
NPI 1487112272 · Registered Dietitian · Kent, WA
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Grunewald, RDN is a Registered Dietitian provider in Kent, WA (NPI 1487112272).
Provider details
- NPI number
- 1487112272
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RDN
- Sex
- Male
- Sole proprietor
- No
- License
- DI60675580 (WA)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 125 16th Ave ESeattle, WA 98112-5211Phone: (206) 326-3000Fax: (877) 515-2975
Registry dates
- Enumerated
- 2019-03-11
- Last updated
- 2023-07-18
- Certified
- 2023-07-18
Frequently asked questions
- What is Matthew Grunewald's NPI number?
- Matthew Grunewald's National Provider Identifier (NPI) is 1487112272, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Grunewald's specialty?
- Matthew Grunewald is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Matthew Grunewald located?
- Matthew Grunewald's practice location on file with NPPES is 25012 104th Ave Se Ste C, Kent, WA 98030-2821.
- What is Matthew Grunewald's phone number?
- The practice phone number listed in the NPPES registry for Matthew Grunewald is (253) 856-3477.
- Does Matthew Grunewald accept Medicare?
- Matthew Grunewald is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Grunewald's NPI active?
- Yes — Matthew Grunewald's NPI (1487112272) is active in the NPPES registry as of the last update on 2023-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.