Joyce Guenther, LMFT
NPI 1366500308 · Marriage & Family Therapist · Los Angeles, CA
Joyce Guenther, LMFT is a Marriage & Family Therapist provider in Los Angeles, CA (NPI 1366500308).
Provider details
- NPI number
- 1366500308
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- MFC21459 (CA)
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
- 2006-12-04
- Last updated
- 2007-07-08
Frequently asked questions
- What is Joyce Guenther's NPI number?
- Joyce Guenther's National Provider Identifier (NPI) is 1366500308, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joyce Guenther's specialty?
- Joyce Guenther is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Joyce Guenther located?
- Joyce Guenther's practice location on file with NPPES is 2001 S Barrington Ave, Los Angeles, CA 90025-5363.
- What is Joyce Guenther's phone number?
- The practice phone number listed in the NPPES registry for Joyce Guenther is (310) 477-7884.
- Is Joyce Guenther's NPI active?
- Yes — Joyce Guenther's NPI (1366500308) 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.