Katherine Nicolai, PH.D.
NPI 1558887182 · Clinical Psychologist · Seattle, WA
Katherine Nicolai, PH.D. is a Clinical Psychologist provider in Seattle, WA (NPI 1558887182).
Provider details
- NPI number
- 1558887182
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- PY61184763 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
8 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
- 2017-08-15
- Last updated
- 2025-02-10
- Certified
- 2025-02-10
Frequently asked questions
- What is Katherine Nicolai's NPI number?
- Katherine Nicolai's National Provider Identifier (NPI) is 1558887182, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Nicolai's specialty?
- Katherine Nicolai is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Katherine Nicolai located?
- Katherine Nicolai's practice location on file with NPPES is 635 Nw Market St, Seattle, WA 98107-2711.
- What is Katherine Nicolai's phone number?
- The practice phone number listed in the NPPES registry for Katherine Nicolai is (719) 338-2536.
- Is Katherine Nicolai's NPI active?
- Yes — Katherine Nicolai's NPI (1558887182) is active in the NPPES registry as of the last update on 2025-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.