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Gregory Riker, BA, AAC
NPI 1639221989 · Mental Health Counselor · Seattle, WA
Gregory Riker, BA, AAC is a Mental Health Counselor provider in Seattle, WA (NPI 1639221989).
Provider details
- NPI number
- 1639221989
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- BA, AAC
- Sex
- Male
- Sole proprietor
- No
- License
- CG60164112 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 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
122 16th Ave E
Capitol Hill North
Seattle, WA 98112-5212
Phone: (206) 302-2200
Fax: (206) 302-2710
Street-level locationGet directions
Mailing address
1600 E Olive St
Seattle, WA 98122-2735
Registry dates
- Enumerated
- 2007-01-17
- Last updated
- 2016-12-19
Frequently asked questions
- What is Gregory Riker's NPI number?
- Gregory Riker's National Provider Identifier (NPI) is 1639221989, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Riker's specialty?
- Gregory Riker is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Gregory Riker located?
- Gregory Riker's practice location on file with NPPES is 122 16th Ave E, Seattle, WA 98112-5212.
- What is Gregory Riker's phone number?
- The practice phone number listed in the NPPES registry for Gregory Riker is (206) 302-2200.
- Is Gregory Riker's NPI active?
- Yes — Gregory Riker's NPI (1639221989) is active in the NPPES registry as of the last update on 2016-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.