Keith Sonnanburg, PH.D.
NPI 1982756631 · Clinical Psychologist · Seattle, WA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Keith Sonnanburg, PH.D. is a Clinical Psychologist provider in Seattle, WA (NPI 1982756631).
Provider details
- NPI number
- 1982756631
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PY 1704 (WA)
Specialties & taxonomies
Behavioral Health & Social 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
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
- 2007-01-16
- Last updated
- 2022-06-10
- Certified
- 2022-06-10
Frequently asked questions
- What is Keith Sonnanburg's NPI number?
- Keith Sonnanburg's National Provider Identifier (NPI) is 1982756631, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keith Sonnanburg's specialty?
- Keith Sonnanburg is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Keith Sonnanburg located?
- Keith Sonnanburg's practice location on file with NPPES is 1818 Westlake Ave N, Seattle, WA 98109-2777.
- What is Keith Sonnanburg's phone number?
- The practice phone number listed in the NPPES registry for Keith Sonnanburg is (206) 654-3338.
- Does Keith Sonnanburg accept Medicare?
- Keith Sonnanburg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Keith Sonnanburg's NPI active?
- Yes — Keith Sonnanburg's NPI (1982756631) is active in the NPPES registry as of the last update on 2022-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.