Madeleine Kostman, LMFT
NPI 1720963044 · Marriage & Family Therapist · Los Angeles, CA
Madeleine Kostman, LMFT is a Marriage & Family Therapist provider in Los Angeles, CA (NPI 1720963044).
Provider details
- NPI number
- 1720963044
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- No
- License
- 140335 (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
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
- 2025-08-06
- Last updated
- 2025-08-06
- Certified
- 2025-08-06
Frequently asked questions
- What is Madeleine Kostman's NPI number?
- Madeleine Kostman's National Provider Identifier (NPI) is 1720963044, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Madeleine Kostman's specialty?
- Madeleine Kostman is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Madeleine Kostman located?
- Madeleine Kostman's practice location on file with NPPES is 10661 Wilkins Ave Apt 3, Los Angeles, CA 90024-5837.
- What is Madeleine Kostman's phone number?
- The practice phone number listed in the NPPES registry for Madeleine Kostman is (310) 387-1492.
- Is Madeleine Kostman's NPI active?
- Yes — Madeleine Kostman's NPI (1720963044) is active in the NPPES registry as of the last update on 2025-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.