Margaret Hartmann
NPI 1588522973 · Marriage & Family Therapist · Los Angeles, CA
Margaret Hartmann is a Marriage & Family Therapist provider in Los Angeles, CA (NPI 1588522973).
Provider details
- NPI number
- 1588522973
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 132760 (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
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 16530 Ventura Blvd Ste 400Encino, CA 91436-4551Phone: (706) 993-6040
Registry dates
- Enumerated
- 2026-01-13
- Last updated
- 2026-01-13
- Certified
- 2026-01-13
Frequently asked questions
- What is Margaret Hartmann's NPI number?
- Margaret Hartmann's National Provider Identifier (NPI) is 1588522973, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Hartmann's specialty?
- Margaret Hartmann is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Margaret Hartmann located?
- Margaret Hartmann's practice location on file with NPPES is 1849 Sawtelle Blvd Ste 610, Los Angeles, CA 90025-7013.
- What is Margaret Hartmann's phone number?
- The practice phone number listed in the NPPES registry for Margaret Hartmann is (706) 993-6040.
- Is Margaret Hartmann's NPI active?
- Yes — Margaret Hartmann's NPI (1588522973) is active in the NPPES registry as of the last update on 2026-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.