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

MADLEN AYVAZIAN LCSW
NPI 1033305149
Social Worker - Clinical in Simi Valley, CA

Active since September 21, 2007PECOS EnrolledAccepts Medicare Assignment
50 MOLLISON DR, SIMI VALLEY, CA 93065(805) 941-0289 Get Directions Write a Review

NPPES record last updated: March 8, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Madlen Ayvazian Lcsw NPPES

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

MADLEN AYVAZIAN LCSW (NPI 1033305149) is an individual clinical provider in Simi Valley, California, licensed in California (28402) and active in the NPI registry since September 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2006).

NPPES Registry Identity

NPI1033305149
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMADLEN AYVAZIANCredential: LCSW
Location Address50 MOLLISON DRSimi Valley, CA 93065-5381
Mailing Address50 Mollison DrSimi Valley, CA 93065-5381 · (805) 941-0289
Phone(805) 941-0289
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateSeptember 21, 2007
Last NPPES UpdateMarch 8, 2025
NPPES CertifiedMarch 8, 2025
✔ NPI 1033305149 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · 28402
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.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
50 MOLLISON DR, Simi Valley, CA 93065
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 and accepts Medicare assignment

Madlen Ayvazian 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 ID5193223964
PECOS Enrollment IDI20250811002613
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 Reassignments

2

Medicare enrollment records show Madlen Ayvazian reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cyti Health PC
141 mi
Mental Health (Including Community Mental Health Center)
402 W BROADWAY STE 400
San Diego, CA 92101
  • Reassigned Medicare billing, California enrollment
  • 545 clinicians in this Medicare group
NPI 1679172290 (866) 478-3978
Sud Specialty Group - Ca
281 mi
Addiction Medicine
4633 OLD IRONSIDES DR STE 304
Santa Clara, CA 95054
  • Reassigned Medicare billing, California enrollment
  • 1,607 clinicians in this Medicare group
NPI 1972138238 (323) 205-7088

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 93065 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 $62.32 – $185.36
Typical copayment $0.00 (range $15.58 – $46.34)
Most-billed visit code NA
Established Patient
$77.11 typical visit price
range $20.68 – $151.85
Typical copayment $19.27 (range $5.17 – $37.96)
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 Madlen Ayvazian's NPI number?

The NPI number for Madlen Ayvazian is 1033305149. It was assigned to this individual provider in the NPPES registry on September 21, 2007.

Where is Madlen Ayvazian located?

Madlen Ayvazian practices at 50 Mollison Dr, Simi Valley, CA 93065. The listed phone number is (805) 941-0289.

What is Madlen Ayvazian's specialty?

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

Is Madlen Ayvazian enrolled in Medicare?

Yes. Madlen Ayvazian 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.

Which organizations bill Medicare for Madlen Ayvazian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Madlen Ayvazian reassigns Medicare benefits to 2 organizations: Cyti Health PC (San Diego, CA) and Sud Specialty Group - Ca (Santa Clara, CA). Each 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 Madlen Ayvazian'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 Madlen Ayvazian was last updated on March 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.