Michael Slack, PSY.D
NPI 1245650217 · Mental Health Counselor · Marysville, WA
Michael Slack, PSY.D is a Mental Health Counselor provider in Marysville, WA (NPI 1245650217).
Provider details
- NPI number
- 1245650217
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- PSY.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- LH60412214 (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
12 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
- 2014-04-17
- Last updated
- 2014-04-17
Frequently asked questions
- What is Michael Slack's NPI number?
- Michael Slack's National Provider Identifier (NPI) is 1245650217, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Slack's specialty?
- Michael Slack is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Michael Slack located?
- Michael Slack's practice location on file with NPPES is 5019 Grove St Ste 102, Marysville, WA 98270-4491.
- What is Michael Slack's phone number?
- The practice phone number listed in the NPPES registry for Michael Slack is (360) 348-0205.
- Is Michael Slack's NPI active?
- Yes — Michael Slack's NPI (1245650217) is active in the NPPES registry as of the last update on 2014-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.