MARILYN RAQUEL MEJIA-PENA LCSW
NPI 1437437720
Social Worker - Clinical in Long Beach, CA

Active since August 03, 2011PECOS Enrolled
525 E 7TH ST, LONG BEACH, CA 90813(562) 505-7866 Get Directions Write a Review

NPPES record last updated: August 3, 2011. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Marilyn Raquel Mejia-pena Lcsw NPPES

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

MARILYN RAQUEL MEJIA-PENA LCSW (NPI 1437437720) is an individual clinical provider in Long Beach, California, licensed in California (LCS24356) and active in the NPI registry since August 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1437437720
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMARILYN RAQUEL MEJIA-PENACredential: LCSW
Location Address525 E 7TH STLong Beach, CA 90813-4559
Mailing Address525 E 7th StLong Beach, CA 90813-4559 · (562) 505-7866
Sole ProprietorYes
Enumeration DateAugust 3, 2011
✔ NPI 1437437720 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 · LCS24356
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.
525 E 7TH ST, Long Beach, CA 90813

Other Names 1

Former Name (1)Marilyn Raquel Mejia Lcsw

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marilyn Raquel Mejia-pena 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 Marilyn Mejia-pena reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Addiction Medicine
4633 OLD IRONSIDES DR STE 304
Santa Clara, CA 95054
  • Reassigned Medicare billing, California enrollment
  • 1,607 clinicians in this Medicare group

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 90813 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 3

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

Community/Behavioral Health
525 E 7TH ST
LONG BEACH, CA 90813
Community/Behavioral Health
525 E 7TH ST
LONG BEACH, CA 90813
Case Management
525 E 7TH ST
LONG BEACH, CA 90813

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 Marilyn Mejia-pena's NPI number?

The NPI number for Marilyn Mejia-pena is 1437437720. It was assigned to this individual provider in the NPPES registry on August 3, 2011. The provider is also known as Marilyn Raquel Mejia Lcsw.

Where is Marilyn Mejia-pena located?

Marilyn Mejia-pena practices at 525 E 7th St, Long Beach, CA 90813. The listed phone number is (562) 505-7866.

What is Marilyn Mejia-pena's specialty?

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

Is Marilyn Mejia-pena enrolled in Medicare?

Yes. Marilyn Mejia-pena is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Marilyn Mejia-pena's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marilyn Mejia-pena reassigns Medicare benefits to Sud Specialty Group - Ca (Santa Clara, 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 Marilyn Mejia-pena'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 Marilyn Mejia-pena was last updated on August 3, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.