Mary Jane Gassert, MS, LMFT
Marriage & Family Therapist · Renton, WA
Mary Jane Gassert, MS, LMFT is a marriage & family therapist with a practice address in Renton, Washington, and NPI 1235284241, issued on Jan 23, 2007. Check the license (Washington LF00002036, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mary Jane Gassert
- Credential
- MS, LMFT
- Primary taxonomy
- Marriage & Family Therapist 106H00000X
- License number
- LF00002036 WA
Self-reported in NPPES; status is on the state search - Practice location
- 321 Burnett Ave S # 207, Renton, WA 98055
- Phone
- (206) 920-2016
- Enumerated
- Jan 23, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (425) 430-8113
- Entity
- Type 1 · individual
8 nearest marriage & family therapist records → All 2,834 in Washington → Look up another NPI →
Verify Mary Jane Gassert in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license LF00002036Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mary Jane Gassert among 2,834 marriage & family therapist records in Washington
Mary Jane Gassert, MS, LMFT is one of 2,834 marriage & family therapist records with a practice address in Washington. 4% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 6% of them.
- NPI issued2007 · 6% of these records are older, 81% newer
- In a Medicare fileNo · 4% of these records are
- In the CMS Doctors and Clinicians fileNo · 7% of these records are
- Record last updated2007 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 106H00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
42 marriage & family therapist records list a practice address in Renton
They are 42 of the 3,147 NPPES records with a practice address in Renton, and 2,834 marriage & family therapist records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,834 in Washington → Every provider in Renton → Marriage & Family Therapist nationwide →
The 8 marriage & family therapist records with the nearest ZIP codes
- Peggy Butler, MS, MFT, RCRenton, WA 980551639201072
- Lisa DeanRenton, WA 980551659779395
- Lauramaery Gold, LMFT, MA-MFTRenton, WA 980551861891806
- Wendy HansenRenton, WA 980551073348926
- Jessica Leith, MS INTERNRenton, WA 980551699982066
- Diana Melman, LMFTARenton, WA 980551922725126
- Patricia Stern, LMFTRenton, WA 980551578509246
- Jean Eakins, LMFTRenton, WA 980561578522629
Common questions
What is Mary Jane Gassert, MS, LMFT's NPI number?
Mary Jane Gassert, MS, LMFT's National Provider Identifier (NPI) is 1235284241, issued on Jan 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary Jane Gassert, MS, LMFT located?
The NPPES record lists a practice address at 321 Burnett Ave S # 207, Renton, WA, 98055. Phone: (206) 920-2016. Providers update this record themselves, so call before visiting.
How can I verify Mary Jane Gassert, MS, LMFT's license?
NPPES lists Washington license number LF00002036, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.