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MRS. KATHY ROSE MEZA LEON LCSW
NPI 1578077111
Social Worker - Clinical in Pasadena, CA

Active since November 17, 2017PECOS Enrolled
117 E COLORADO BLVD, PASADENA, CA 91105(818) 233-0817 Get Directions Write a Review

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

Record update history: Nov 25, 2025, Nov 4, 2025, Dec 20, 2024 and 4 more (7 updates tracked since 2017).

About Mrs. Kathy Rose Meza Leon Lcsw NPPES

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

MRS. KATHY ROSE MEZA LEON LCSW (NPI 1578077111) is an individual clinical provider in Pasadena, California, licensed in California (107148) and active in the NPI registry since November 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1578077111
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMRS. KATHY ROSE MEZA LEONCredential: LCSW
Location Address117 E COLORADO BLVDPasadena, CA 91105-1938
Mailing Address10525 Arnwood RdSylmar, CA 91342-6802 · (818) 926-1199
Phone(818) 233-0817
Sole ProprietorNo
Enumeration DateNovember 17, 2017
Last NPPES UpdateNovember 25, 20257 updates tracked since enumeration
NPPES CertifiedNovember 25, 2025
✔ NPI 1578077111 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 · 107148
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.
117 E COLORADO BLVD, Pasadena, CA 91105
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Other Names 1

Former Name (1)Kathy Rose Valencia

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Kathy Rose Meza Leon 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 Reassignments

3

Medicare enrollment records show Kathy Meza Leon reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southern California Permanente Medical Group
4.1 mi
Health Maintenance Organization
2626 COLORADO BLVD
Los Angeles, CA 90041
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1013409044 (877) 608-0044
Gateways Hospital & Mental Health Center
7.3 mi
Psychiatric Hospital
1891 EFFIE ST
Los Angeles, CA 90026
  • Reassigned Medicare billing, California enrollment
  • 25 clinicians in this Medicare group
NPI 1720151137 (323) 644-2000
Tarzana Treatment Centers, Inc.
16 mi
Community/Behavioral Health
12021 WILMINGTON AVE STE 301, BUILDING #18
Los Angeles, CA 90059
  • Reassigned Medicare billing, California enrollment
  • 93 clinicians in this Medicare group
NPI 1649910365 (800) 996-1051

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 91105 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 7

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

MRS. KRYSTAL MARIE BOOTHE LCSW
Social Worker (Clinical)
117 E COLORADO BLVD
PASADENA, CA 91105
Los Angeles County (661) 402-1545
MORGAN RAE VILLALPANDO
Counselor (Mental Health)
117 E COLORADO BLVD
PASADENA, CA 91105
Los Angeles County (866) 453-2883
ALBION MEDICAL PARTNERS OF CALIFORNIA, PC
Internal Medicine (Hospice and Palliative Medicine)
117 E COLORADO BLVD, SUITE 600
PASADENA, CA 91105
Los Angeles County (615) 454-9850
SPENCER WEISS
Marriage & Family Therapist
117 E COLORADO BLVD
PASADENA, CA 91105
Los Angeles County (833) 225-4673
LOURDES ISABEL MARQUEZ LMFT
Marriage & Family Therapist
117 E COLORADO BLVD
PASADENA, CA 91105
Los Angeles County (833) 225-4673
WINGS OF THE FUTURE CONSULTING PRIVATE PRACTICE
Social Worker (Clinical)
117 E COLORADO BLVD
PASADENA, CA 91105
Los Angeles County (661) 402-1545
ANDEI FUKUSHIGE APCC
Counselor (Mental Health)
117 E COLORADO BLVD
PASADENA, CA 91105
Los Angeles County (833) 225-4673

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 Kathy Meza Leon's NPI number?

The NPI number for Kathy Meza Leon is 1578077111. It was assigned to this individual provider in the NPPES registry on November 17, 2017. The provider is also known as Kathy Rose Valencia.

Where is Kathy Meza Leon located?

Kathy Meza Leon practices at 117 E Colorado Blvd, Pasadena, CA 91105. The listed phone number is (818) 233-0817.

What is Kathy Meza Leon's specialty?

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

Is Kathy Meza Leon enrolled in Medicare?

Yes. Kathy Meza Leon is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Kathy Meza Leon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kathy Meza Leon reassigns Medicare benefits to 3 organizations: Southern California Permanente Medical Group (Los Angeles, CA), Gateways Hospital & Mental Health Center (Los Angeles, CA) and Tarzana Treatment Centers, Inc. (Los Angeles, 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 Kathy Meza Leon'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 Kathy Meza Leon was last updated on November 25, 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.