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MS. CATHERINE LANDRUM PMHNP B-C
NPI 1356008221
Nurse Practitioner - Psychiatric/Mental Health in Los Angeles, CA

Active since November 26, 2021PECOS Enrolled
1279 MEADOWBROOK AVE, LOS ANGELES, CA 90019(310) 739-4571 Get Directions Write a Review

NPPES record last updated: July 20, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 20, 2026, Sep 14, 2025, Nov 26, 2021 (3 updates tracked since 2021).

About Ms. Catherine Landrum Pmhnp B-c NPPES

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

MS. CATHERINE LANDRUM PMHNP B-C (NPI 1356008221) is an individual psychiatric/mental health provider in Los Angeles, California, licensed in California (95019315) and active in the NPI registry since November 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1356008221
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMS. CATHERINE LANDRUMCredential: PMHNP B-C
Location Address1279 MEADOWBROOK AVELos Angeles, CA 90019-2816
Mailing Address2659 State StCarlsbad, CA 92008-1627 · (855) 387-4378 · Fax (760) 683-6756
Phone(310) 739-4571
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateNovember 26, 2021
Last NPPES UpdateJuly 20, 20263 updates tracked since enumeration
NPPES CertifiedJuly 20, 2026
✔ NPI 1356008221 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in CA · 95019315
1279 MEADOWBROOK AVE, Los Angeles, CA 90019
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)

Ms. Catherine Landrum Pmhnp B-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2860958568
PECOS Enrollment IDI20260803001702
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 Catherine Landrum reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mellow Medical Inc A Professional Corporation
3.0 mi
Psychiatry
8235 SANTA MONICA BLVD, SUITE 300
West Hollywood, CA 90046
  • Reassigned Medicare billing, California enrollment
  • 204 clinicians in this Medicare group
NPI 1407275886 (310) 892-4284
Shine Medical Of Ca PC
301 mi
Psychiatry
325 S 1ST ST STE 200
San Jose, CA 95113
  • Reassigned Medicare billing, California enrollment
  • 45 clinicians in this Medicare group
NPI 1942935473 (888) 380-2028

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 90019 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
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 Catherine Landrum's NPI number?

The NPI number for Catherine Landrum is 1356008221. It was assigned to this individual provider in the NPPES registry on November 26, 2021.

Where is Catherine Landrum located?

Catherine Landrum practices at 1279 Meadowbrook Ave, Los Angeles, CA 90019. The listed phone number is (310) 739-4571.

What is Catherine Landrum's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Catherine Landrum enrolled in Medicare?

Yes. Catherine Landrum is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Catherine Landrum's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Landrum reassigns Medicare benefits to 2 organizations: Mellow Medical Inc A Professional Corporation (West Hollywood, CA) and Shine Medical Of Ca PC (San Jose, 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 Catherine Landrum'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 Catherine Landrum was last updated on July 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.