Mary Guay, LMFT
NPI 1669580593 · Mental Health Counselor · Woodinville, WA
Mary Guay, LMFT is a Mental Health Counselor provider in Woodinville, WA (NPI 1669580593).
Provider details
- NPI number
- 1669580593
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- LF00001742 (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
20 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
- 2006-08-29
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Guay's NPI number?
- Mary Guay's National Provider Identifier (NPI) is 1669580593, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Guay's specialty?
- Mary Guay is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Mary Guay located?
- Mary Guay's practice location on file with NPPES is 17220 127th Pl Ne, Woodinville, WA 98072-7965.
- What is Mary Guay's phone number?
- The practice phone number listed in the NPPES registry for Mary Guay is (425) 481-4613.
- Is Mary Guay's NPI active?
- Yes — Mary Guay's NPI (1669580593) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.