Mary Lou Devlin, LMFT
NPI 1194177030 · Marriage & Family Therapist · Westlake Village, CA
Mary Lou Devlin, LMFT is a Marriage & Family Therapist provider in Westlake Village, CA (NPI 1194177030).
Provider details
- NPI number
- 1194177030
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- LMFT37377 (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
9 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
- 2016-07-03
- Last updated
- 2025-03-22
- Certified
- 2025-03-22
Frequently asked questions
- What is Mary Lou Devlin's NPI number?
- Mary Lou Devlin's National Provider Identifier (NPI) is 1194177030, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Lou Devlin's specialty?
- Mary Lou Devlin is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Mary Lou Devlin located?
- Mary Lou Devlin's practice location on file with NPPES is 3435 E Thousand Oaks Blvd Unit 4312, Westlake Village, CA 91359-7949.
- What is Mary Lou Devlin's phone number?
- The practice phone number listed in the NPPES registry for Mary Lou Devlin is (805) 849-7828.
- Is Mary Lou Devlin's NPI active?
- Yes — Mary Lou Devlin's NPI (1194177030) is active in the NPPES registry as of the last update on 2025-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.