Mary Gassert, MS, LMFT
NPI 1235284241 · Marriage & Family Therapist · Renton, WA
Mary Gassert, MS, LMFT is a Marriage & Family Therapist provider in Renton, WA (NPI 1235284241).
Provider details
- NPI number
- 1235284241
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MS, LMFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- LF00002036 (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
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
Mailing address
Registry dates
- Enumerated
- 2007-01-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Gassert's NPI number?
- Mary Gassert's National Provider Identifier (NPI) is 1235284241, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Gassert's specialty?
- Mary Gassert is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Mary Gassert located?
- Mary Gassert's practice location on file with NPPES is 321 Burnett Ave S # 207, Renton, WA 98055-2558.
- What is Mary Gassert's phone number?
- The practice phone number listed in the NPPES registry for Mary Gassert is (206) 920-2016.
- Is Mary Gassert's NPI active?
- Yes — Mary Gassert's NPI (1235284241) 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.