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

MARGARET JOYCE MAIN LCSW
NPI 1710427968
Social Worker - Clinical in Encino, CA

Active since March 06, 2017PECOS Enrolled
17355 COLLINS ST, ENCINO, CA 91316(310) 902-5769 Get Directions Write a Review

NPPES record last updated: March 6, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Margaret Joyce Main Lcsw NPPES

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

MARGARET JOYCE MAIN LCSW (NPI 1710427968) is an individual clinical provider in Encino, California, licensed in California (LCS18916) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1710427968
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMARGARET JOYCE MAINCredential: LCSW
Location Address17355 COLLINS STEncino, CA 91316-1308
Mailing Address17355 Collins StEncino, CA 91316-1308 · (310) 902-5769
Phone(310) 902-5769
Sole ProprietorYes
Enumeration DateMarch 6, 2017
✔ NPI 1710427968 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 · LCS18916
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.
17355 COLLINS ST, Encino, CA 91316
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Margaret Joyce Main Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Margaret Main reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Seneca Healthcare District
449 mi
Medicare Defined Swing Bed Unit
130 BRENTWOOD DRIVE
Chester, CA 96020
  • Reassigned Medicare billing, California enrollment
  • 38 clinicians in this Medicare group
NPI 1326234022 (530) 258-2151

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91316 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 Margaret Main's NPI number?

The NPI number for Margaret Main is 1710427968. It was assigned to this individual provider in the NPPES registry on March 6, 2017.

Where is Margaret Main located?

Margaret Main practices at 17355 Collins St, Encino, CA 91316. The listed phone number is (310) 902-5769.

What is Margaret Main's specialty?

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

Is Margaret Main enrolled in Medicare?

Yes. Margaret Main is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Margaret Main's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Main reassigns Medicare benefits to Seneca Healthcare District (Chester, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Margaret Main's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Margaret Main was last updated on March 6, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.