1. Home
  2. Directory
  3. California
  4. Agoura Hills
  5. Social Worker
  6. NPI Profile

THERESA M HENNESSEY LCSW
NPI 1023653409
Social Worker - Clinical in Agoura Hills, CA

Active since November 09, 2019PECOS EnrolledAccepts Medicare Assignment
28310 ROADSIDE DR STE 202A, AGOURA HILLS, CA 91301(818) 584-2494 Get Directions Write a Review

NPPES record last updated: March 10, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 10, 2021, Nov 9, 2019 (2 updates tracked since 2019).

About Theresa M Hennessey Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

THERESA M HENNESSEY LCSW (NPI 1023653409) is an individual clinical provider in Agoura Hills, California and active in the NPI registry since November 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in Palmdale, and is a graduate of Other (1999).

NPPES Registry Identity

NPI1023653409
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameTHERESA M HENNESSEYCredential: LCSW
Location Address28310 ROADSIDE DR STE 202AAgoura Hills, CA 91301-4958
Mailing Address5606 High Peak PlAgoura Hills, CA 91301-4013
Phone(818) 584-2494
Sole ProprietorYes
Medical School CMSOtherGraduated 1999
Enumeration DateNovember 9, 2019
Last NPPES UpdateMarch 10, 20212 updates tracked since enumeration
NPPES CertifiedMarch 10, 2021
✔ NPI 1023653409 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
28310 ROADSIDE DR STE 202A, Agoura Hills, CA 91301
Open in Google Maps ↗

Secondary Practice Location 1

Location 14502 E Avenue SPalmdale, CA 93552-4480 · Phone (323) 574-7081

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Theresa M Hennessey Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5496164584
PECOS Enrollment IDI20210430001108
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91301 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $62.96 – $187.60
Typical copayment $0.00 (range $15.74 – $46.90)
Most-billed visit code NA
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

IRENE S. FRUCHTBAUM, PH.D., Q.M.E.
Psychologist (Group Psychotherapy)
28310 ROADSIDE DR STE 202A
AGOURA HILLS, CA 91301
Los Angeles County (818) 650-1960

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Theresa Hennessey's NPI number?

The NPI number for Theresa Hennessey is 1023653409. It was assigned to this individual provider in the NPPES registry on November 9, 2019.

Where is Theresa Hennessey located?

Theresa Hennessey practices at 28310 Roadside Dr Ste 202A, Agoura Hills, CA 91301. The listed phone number is (818) 584-2494.

What is Theresa Hennessey's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Theresa Hennessey enrolled in Medicare?

Yes. Theresa Hennessey is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Theresa Hennessey was last updated on March 10, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.