Leigh Brezner
NPI 1013301399 · Marriage & Family Therapist · Calabasas, CA
Leigh Brezner is a Marriage & Family Therapist provider in Calabasas, CA (NPI 1013301399).
Provider details
- NPI number
- 1013301399
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 67160 (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
11 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
- 2015-03-24
- Last updated
- 2015-03-24
Frequently asked questions
- What is Leigh Brezner's NPI number?
- Leigh Brezner's National Provider Identifier (NPI) is 1013301399, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leigh Brezner's specialty?
- Leigh Brezner is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Leigh Brezner located?
- Leigh Brezner's practice location on file with NPPES is 22287 Mulholland Hwy, Calabasas, CA 91302-5157.
- What is Leigh Brezner's phone number?
- The practice phone number listed in the NPPES registry for Leigh Brezner is (303) 808-5833.
- Is Leigh Brezner's NPI active?
- Yes — Leigh Brezner's NPI (1013301399) is active in the NPPES registry as of the last update on 2015-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.