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MR. LANDON DERRICK HALLBROOKS M.S.W.
NPI 1447651310
Social Worker - Clinical in Pomona, CA

Active since September 10, 2014PECOS Enrolled
435 W MISSION BLVD STE 301, POMONA, CA 91766(951) 850-1574 Get Directions Write a Review

NPPES record last updated: October 5, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 5, 2019, Nov 17, 2015 (2 updates tracked since 2015).

About Mr. Landon Derrick Hallbrooks M.s.w. NPPES

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

MR. LANDON DERRICK HALLBROOKS M.S.W. (NPI 1447651310) is an individual clinical provider in Pomona, California, licensed in California (LCSW88676) and active in the NPI registry since September 2014. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1447651310
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. LANDON DERRICK HALLBROOKSCredential: M.S.W.
Location Address435 W MISSION BLVD STE 301Pomona, CA 91766-1632
Mailing AddressPo Box 7896La Verne, CA 91750-7896 · (951) 850-1574
Phone(951) 850-1574
Sole ProprietorYes
Enumeration DateSeptember 10, 2014
Last NPPES UpdateOctober 5, 20192 updates tracked since enumeration
✔ NPI 1447651310 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 · LCSW88676
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.
435 W MISSION BLVD STE 301, Pomona, CA 91766
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Landon Derrick Hallbrooks M.s.w. 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

2

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

Grow Healthcare Group PC
324 mi
Mental Health
99 S ALMADEN BLVD STE 600
San Jose, CA 95113
  • Reassigned Medicare billing, California enrollment
  • 3,139 clinicians in this Medicare group
NPI 1154994846 (408) 402-4385
Grow Healthcare Group PA
2,311 mi
Mental Health
66 W FLAGLER ST STE 900
Miami, FL 33130
  • Reassigned Medicare billing, Minnesota enrollment
  • 276 clinicians in this Medicare group
NPI 1245845932 (786) 244-7711

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 91766 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

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

YOUR LIFE SERVICE LEAGUE LICENSED CLINICAL SOCIAL WORKER APC
Social Worker (Clinical)
435 W MISSION BLVD STE 301
POMONA, CA 91766
Los Angeles County (951) 850-1574

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 Landon Hallbrooks's NPI number?

The NPI number for Landon Hallbrooks is 1447651310. It was assigned to this individual provider in the NPPES registry on September 10, 2014.

Where is Landon Hallbrooks located?

Landon Hallbrooks practices at 435 W Mission Blvd Ste 301, Pomona, CA 91766. The listed phone number is (951) 850-1574.

What is Landon Hallbrooks's specialty?

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

Is Landon Hallbrooks enrolled in Medicare?

Yes. Landon Hallbrooks is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Landon Hallbrooks's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Landon Hallbrooks reassigns Medicare benefits to 2 organizations: Grow Healthcare Group PC (San Jose, CA) and Grow Healthcare Group PA (Miami, FL). 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 Landon Hallbrooks'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 Landon Hallbrooks was last updated on October 5, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.