Alexandra Portnoy, M.S
NPI 1083965131 · Marriage & Family Therapist · North Hills, CA
Enrolled with Medicare as Practitioner - Marriage and Family Therapist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexandra Portnoy, M.S is a Marriage & Family Therapist provider in North Hills, CA (NPI 1083965131).
Provider details
- NPI number
- 1083965131
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- M.S
- Sex
- Female
- Sole proprietor
- No
- License
- 91852 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
13 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
- 2012-09-28
- Last updated
- 2018-01-22
Frequently asked questions
- What is Alexandra Portnoy's NPI number?
- Alexandra Portnoy's National Provider Identifier (NPI) is 1083965131, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexandra Portnoy's specialty?
- Alexandra Portnoy is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Alexandra Portnoy located?
- Alexandra Portnoy's practice location on file with NPPES is 15305 Rayen St, North Hills, CA 91343-5117.
- What is Alexandra Portnoy's phone number?
- The practice phone number listed in the NPPES registry for Alexandra Portnoy is (818) 892-3423.
- Does Alexandra Portnoy accept Medicare?
- Alexandra Portnoy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexandra Portnoy's NPI active?
- Yes — Alexandra Portnoy's NPI (1083965131) is active in the NPPES registry as of the last update on 2018-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.