Cornerstone Therapy Group a Marriage and Family Therapy Corpor
NPI 1548110059 · Marriage & Family Therapist · Sherman Oaks, CA
Cornerstone Therapy Group a Marriage and Family Therapy Corpor is a Marriage & Family Therapist organization in Sherman Oaks, CA (NPI 1548110059).
Provider details
- NPI number
- 1548110059
- Entity type
- Organization
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Alan Ellsweig, President / Ceo(310) 508-6727
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
- 2026-02-03
- Last updated
- 2026-04-14
- Certified
- 2026-04-14
Frequently asked questions
- What is Cornerstone Therapy Group a Marriage and Family Therapy Corpor's NPI number?
- Cornerstone Therapy Group a Marriage and Family Therapy Corpor's National Provider Identifier (NPI) is 1548110059, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Cornerstone Therapy Group a Marriage and Family Therapy Corpor?
- Cornerstone Therapy Group a Marriage and Family Therapy Corpor is classified in the NPPES registry as Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Cornerstone Therapy Group a Marriage and Family Therapy Corpor located?
- Cornerstone Therapy Group a Marriage and Family Therapy Corpor's practice location on file with NPPES is 15233 Ventura Blvd Ste 316, Sherman Oaks, CA 91403-2214.
- What is Cornerstone Therapy Group a Marriage and Family Therapy Corpor's phone number?
- The practice phone number listed in the NPPES registry for Cornerstone Therapy Group a Marriage and Family Therapy Corpor is (310) 508-6727.
- Who is the authorized official for Cornerstone Therapy Group a Marriage and Family Therapy Corpor?
- The authorized official listed on Cornerstone Therapy Group a Marriage and Family Therapy Corpor's NPPES record is Alan Ellsweig, President / Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Cornerstone Therapy Group a Marriage and Family Therapy Corpor's NPI active?
- Yes — Cornerstone Therapy Group a Marriage and Family Therapy Corpor's NPI (1548110059) is active in the NPPES registry as of the last update on 2026-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.