Ruth Thomas, RD, CD
NPI 1538457015 · Registered Dietitian · Issaquah, WA
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ruth Thomas, RD, CD is a Registered Dietitian provider in Issaquah, WA (NPI 1538457015).
Provider details
- NPI number
- 1538457015
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD, CD
- Sex
- Female
- Sole proprietor
- No
- License
- DI60218619 (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
15 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
- 2011-07-18
- Last updated
- 2021-01-29
- Certified
- 2021-01-29
Frequently asked questions
- What is Ruth Thomas's NPI number?
- Ruth Thomas's National Provider Identifier (NPI) is 1538457015, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ruth Thomas's specialty?
- Ruth Thomas is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Ruth Thomas located?
- Ruth Thomas's practice location on file with NPPES is 751 Ne Blakely Dr Ste 5010, Issaquah, WA 98029-6201.
- What is Ruth Thomas's phone number?
- The practice phone number listed in the NPPES registry for Ruth Thomas is (425) 313-7088.
- Does Ruth Thomas accept Medicare?
- Ruth Thomas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ruth Thomas's NPI active?
- Yes — Ruth Thomas's NPI (1538457015) is active in the NPPES registry as of the last update on 2021-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.