1. Home
  2. Directory
  3. Washington
  4. Seattle
  5. Marriage Family Therapist
  6. NPI Profile

MR. JOSEPH ANTHONY LOSI M.A. LMFTA
NPI 1366730343
Marriage & Family Therapist in Seattle, WA

Active since July 12, 2011
1800 WESTLAKE AVE N, SUITE 303, SEATTLE, WA 98109(206) 595-2577(206) 289-9839 Get Directions Write a Review

NPPES record last updated: July 12, 2011. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mr. Joseph Anthony Losi M.a. Lmfta NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. JOSEPH ANTHONY LOSI M.A. LMFTA (NPI 1366730343) is an individual marriage & family therapist in Seattle, Washington, licensed in Washington (MG60154746) and active in the NPI registry since July 2011.

NPPES Registry Identity

NPI1366730343
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameMR. JOSEPH ANTHONY LOSICredential: M.A. LMFTA
Location Address1800 WESTLAKE AVE N, SUITE 303Seattle, WA 98109-2704
Mailing Address1800 Westlake Ave N, Suite 303Seattle, WA 98109-2704 · (206) 595-2577 · Fax (206) 289-9839
Phone(206) 595-2577
Fax(206) 289-9839
Sole ProprietorYes
Enumeration DateJuly 12, 2011
✔ NPI 1366730343 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in WA · MG60154746
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
1800 WESTLAKE AVE N, Seattle, WA 98109
Open in Google Maps ↗

Other Providers at the Same Location NPPES 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. KATE L STEWART MA
Counselor (Mental Health)
1800 WESTLAKE AVE N, #303
SEATTLE, WA 98109
King County (206) 669-4912
DR. ETHAN SCHWAB
Marriage & Family Therapist
1800 WESTLAKE AVE N, SUITE 204
SEATTLE, WA 98109
King County (425) 295-2189
DIANA LOUISE ELSTAD
Counselor
1800 WESTLAKE AVE N, SUITE 204
SEATTLE, WA 98109
King County (425) 890-7113
MS. TAMARA LYNN ANDERSON MED, LMHC
Counselor (Mental Health)
1800 WESTLAKE AVE N, SUITE #102
SEATTLE, WA 98109
King County (206) 985-3892
GILLIAN ASHLEY MORRIS L.M.P.
Massage Therapist
1800 WESTLAKE AVE N
SEATTLE, WA 98109
King County (206) 293-5170
STACI SPROUT LICSW, CSAT
Social Worker (Clinical)
1800 WESTLAKE AVE N, SUITE 102A
SEATTLE, WA 98109
King County (206) 949-6150
MR. PETER ETTEL M.A.
Counselor (Mental Health)
1800 WESTLAKE AVE N, SUITE 204
SEATTLE, WA 98109
King County (206) 301-9662
SANDRA ESPIRITU
Counselor (Mental Health)
1800 WESTLAKE AVE N, SUITE #304
SEATTLE, WA 98109
King County (206) 818-2425

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Joseph Losi's NPI number?

The NPI number for Joseph Losi is 1366730343. It was assigned to this individual provider in the NPPES registry on July 12, 2011.

Where is Joseph Losi located?

Joseph Losi practices at 1800 Westlake Ave N Suite 303, Seattle, WA 98109. The listed phone number is (206) 595-2577.

What is Joseph Losi's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

When was this NPI record last updated?

The NPPES record for Joseph Losi was last updated on July 12, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.