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Duncan Hollomon, PHD
NPI 1518146612 · Mental Health Counselor · Seattle, WA
Duncan Hollomon, PHD is a Mental Health Counselor provider in Seattle, WA (NPI 1518146612).
Provider details
- NPI number
- 1518146612
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- LH00008547 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
7020 18th Ave Sw
Seattle, WA 98106-1629
Phone: (206) 419-7015
Street-level locationGet directions
Mailing address
7020 18th Ave Sw
Seattle, WA 98106-1629
Registry dates
- Enumerated
- 2007-10-25
- Last updated
- 2007-10-25
Frequently asked questions
- What is Duncan Hollomon's NPI number?
- Duncan Hollomon's National Provider Identifier (NPI) is 1518146612, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Duncan Hollomon's specialty?
- Duncan Hollomon is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Duncan Hollomon located?
- Duncan Hollomon's practice location on file with NPPES is 7020 18th Ave Sw, Seattle, WA 98106-1629.
- What is Duncan Hollomon's phone number?
- The practice phone number listed in the NPPES registry for Duncan Hollomon is (206) 419-7015.
- Is Duncan Hollomon's NPI active?
- Yes — Duncan Hollomon's NPI (1518146612) is active in the NPPES registry as of the last update on 2007-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.