Theresa Hennessey, LCSW
NPI 1023653409 · Clinical Social Worker · Agoura Hills, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theresa Hennessey, LCSW is a Clinical Social Worker provider in Agoura Hills, CA (NPI 1023653409).
Provider details
- NPI number
- 1023653409
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
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
6 yrs in NPPES registry
- Profile completeness38% of score
83% 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)
- 4502 E Avenue SPalmdale, CA 93552-4480Phone: (323) 574-7081
Registry dates
- Enumerated
- 2019-11-09
- Last updated
- 2021-03-10
- Certified
- 2021-03-10
Frequently asked questions
- What is Theresa Hennessey's NPI number?
- Theresa Hennessey's National Provider Identifier (NPI) is 1023653409, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theresa Hennessey's specialty?
- Theresa Hennessey is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Theresa Hennessey located?
- Theresa Hennessey's practice location on file with NPPES is 28310 Roadside Dr Ste 202a, Agoura Hills, CA 91301-4958.
- What is Theresa Hennessey's phone number?
- The practice phone number listed in the NPPES registry for Theresa Hennessey is (818) 584-2494.
- Does Theresa Hennessey accept Medicare?
- Theresa Hennessey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theresa Hennessey's NPI active?
- Yes — Theresa Hennessey's NPI (1023653409) is active in the NPPES registry as of the last update on 2021-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.