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MS. JOAN L HELFENSTEIN LCSW
NPI 1942321740
Social Worker - Clinical in Los Angeles, CA

Active since April 02, 2007PECOS EnrolledAccepts Medicare Assignment
566 S SAN VICENTE BLVD STE 103, LOS ANGELES, CA 90048(310) 278-8211(323) 939-9213 Get Directions Write a Review

NPPES record last updated: September 3, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 3, 2025, Feb 12, 2021 (2 updates tracked since 2021).

About Ms. Joan L Helfenstein Lcsw NPPES

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

MS. JOAN L HELFENSTEIN LCSW (NPI 1942321740) is an individual clinical provider in Los Angeles, California, licensed in California (LI9449) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1978).

NPPES Registry Identity

NPI1942321740
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. JOAN L HELFENSTEINCredential: LCSW
Location Address566 S SAN VICENTE BLVD STE 103Los Angeles, CA 90048-4650
Mailing Address100 N Mccadden PlLos Angeles, CA 90004-1022 · (310) 278-8211 · Fax (323) 939-9213
Phone(310) 278-8211
Fax(323) 939-9213
Sole ProprietorYes
Medical School CMSOtherGraduated 1978
Enumeration DateApril 2, 2007
Last NPPES UpdateSeptember 3, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 3, 2025
✔ NPI 1942321740 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · LI9449
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.
566 S SAN VICENTE BLVD STE 103, Los Angeles, CA 90048
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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

Ms. Joan L Helfenstein 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 ID1355534264
PECOS Enrollment IDI20101025000331
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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
858 services28 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90048 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.

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 Joan Helfenstein's NPI number?

The NPI number for Joan Helfenstein is 1942321740. It was assigned to this individual provider in the NPPES registry on April 2, 2007.

Where is Joan Helfenstein located?

Joan Helfenstein practices at 566 S San Vicente Blvd Ste 103, Los Angeles, CA 90048. The listed phone number is (310) 278-8211.

What is Joan Helfenstein's specialty?

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

Is Joan Helfenstein enrolled in Medicare?

Yes. Joan Helfenstein 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 Joan Helfenstein was last updated on September 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.