Deborah Koos, RD, MS, CDE
NPI 1437207990 · Registered Dietitian · Walnut Creek, CA
Deborah Koos, RD, MS, CDE is a Registered Dietitian provider in Walnut Creek, CA (NPI 1437207990).
Provider details
- NPI number
- 1437207990
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD, MS, CDE
- Sex
- Female
- Sole proprietor
- No
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
19 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2007-01-08
- Last updated
- 2007-07-11
Frequently asked questions
- What is Deborah Koos's NPI number?
- Deborah Koos's National Provider Identifier (NPI) is 1437207990, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deborah Koos's specialty?
- Deborah Koos is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Deborah Koos located?
- Deborah Koos's practice location on file with NPPES is 320 Lennon Ln, Walnut Creek, CA 94598-2419.
- What is Deborah Koos's phone number?
- The practice phone number listed in the NPPES registry for Deborah Koos is (925) 906-2190.
- Is Deborah Koos's NPI active?
- Yes — Deborah Koos's NPI (1437207990) is active in the NPPES registry as of the last update on 2007-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.