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Preston Walcker
NPI 1598619900 · Peer Specialist · Redmond, WA
Preston Walcker is a Peer Specialist provider in Redmond, WA (NPI 1598619900).
Provider details
- NPI number
- 1598619900
- Entity type
- Individual
- Primary specialty
- Peer SpecialistOther Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Basic profile(47/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
16225 Ne 87th St Ste 160
Redmond, WA 98052-3536
Phone: (206) 901-2000
Fax: (206) 901-2010
Street-level locationGet directions
Mailing address
6400 Southcenter Blvd
Tukwila, WA 98188-2547
Registry dates
- Enumerated
- 2026-02-23
- Last updated
- 2026-02-25
- Certified
- 2026-02-25
Frequently asked questions
- What is Preston Walcker's NPI number?
- Preston Walcker's National Provider Identifier (NPI) is 1598619900, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Preston Walcker's specialty?
- Preston Walcker is listed in the NPPES registry with a primary specialty of Peer Specialist (Other Service Providers).
- Where is Preston Walcker located?
- Preston Walcker's practice location on file with NPPES is 16225 Ne 87th St Ste 160, Redmond, WA 98052-3536.
- What is Preston Walcker's phone number?
- The practice phone number listed in the NPPES registry for Preston Walcker is (206) 901-2000.
- Is Preston Walcker's NPI active?
- Yes — Preston Walcker's NPI (1598619900) is active in the NPPES registry as of the last update on 2026-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.