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Karol Marshall, PHD
NPI 1558385633 · Clinical Psychologist · Seattle, WA
Karol Marshall, PHD is a Clinical Psychologist provider in Seattle, WA (NPI 1558385633).
Provider details
- NPI number
- 1558385633
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 453 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 index)
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
2000 Fairview Ave E
102
Seattle, WA 98102-3512
Phone: (206) 464-1955
Street-level locationGet directions
Mailing address
2000 Fairview Ave E
Seattle, WA 98102-3512
Registry dates
- Enumerated
- 2006-07-26
- Last updated
- 2008-03-24
Frequently asked questions
- What is Karol Marshall's NPI number?
- Karol Marshall's National Provider Identifier (NPI) is 1558385633, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karol Marshall's specialty?
- Karol Marshall is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Karol Marshall located?
- Karol Marshall's practice location on file with NPPES is 2000 Fairview Ave E, Seattle, WA 98102-3512.
- What is Karol Marshall's phone number?
- The practice phone number listed in the NPPES registry for Karol Marshall is (206) 464-1955.
- Is Karol Marshall's NPI active?
- Yes — Karol Marshall's NPI (1558385633) is active in the NPPES registry as of the last update on 2008-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.