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HILARY MALLOY SOCIAL WORKER (ASW)
NPI 1871340299
Social Worker - Clinical in Los Angeles, CA

Active since May 03, 2024PECOS Enrolled
2301 HYPERION AVE, LOS ANGELES, CA 90027(800) 726-3890 Get Directions Write a Review

NPPES record last updated: March 3, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 3, 2026, May 3, 2024 (2 updates tracked since 2024).

About Hilary Malloy Social Worker (asw) NPPES

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

HILARY MALLOY SOCIAL WORKER (ASW) (NPI 1871340299) is an individual clinical provider in Los Angeles, California, licensed in California (137086) and active in the NPI registry since May 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1871340299
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameHILARY MALLOYCredential: SOCIAL WORKER (ASW)
Location Address2301 HYPERION AVELos Angeles, CA 90027-4711
Mailing Address4765 W 1st StLos Angeles, CA 90004-4951 · (323) 806-3829
Phone(800) 726-3890
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateMay 3, 2024
Last NPPES UpdateMarch 3, 20262 updates tracked since enumeration
NPPES CertifiedMarch 3, 2026
✔ NPI 1871340299 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 · 137086
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.
2301 HYPERION AVE, Los Angeles, CA 90027
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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)

Hilary Malloy Social Worker (asw) is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8426525494
PECOS Enrollment IDI20260427003346
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 Hilary Malloy reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Silver Lake Psychology Inc.
0.7 mi
Psychologist
4325 W SUNSET BLVD, 206
Los Angeles, CA 90029
  • Reassigned Medicare billing, California enrollment
  • 104 clinicians in this Medicare group
NPI 1932651817 (310) 388-7983
One Heart Behavioral Health
16 mi
Clinical
18325 SHERMAN WAY
Reseda, CA 91335
  • Reassigned Medicare billing, California enrollment
  • 6 clinicians in this Medicare group
NPI 1386456705 (818) 330-3337

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 90027 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 14

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

DR. BRANDY DUNN PSY.D.
Psychologist (Clinical)
2301 HYPERION AVE
LOS ANGELES, CA 90027
Los Angeles County (424) 448-2726
BLOOM PSYCHOLOGY, INC.
Psychologist
2301 HYPERION AVE
LOS ANGELES, CA 90027
Los Angeles County (310) 388-7983
MS. BAHAREH SHAYEGAN MS
Marriage & Family Therapist
2301 HYPERION AVE
LOS ANGELES, CA 90027
Los Angeles County (310) 564-6135
ALEXANDRA SILVA
Marriage & Family Therapist
2301 HYPERION AVE
LOS ANGELES, CA 90027
Los Angeles County (800) 726-3890
KAYLA INA GARCIA ANDRES AMFT
Marriage & Family Therapist
2301 HYPERION AVE
LOS ANGELES, CA 90027
Los Angeles County (310) 879-8004
MARIAM VARTKIS
Marriage & Family Therapist
2301 HYPERION AVE
LOS ANGELES, CA 90027
Los Angeles County (310) 879-8004
TAYLOR YATES AMFT, APCC
Counselor (Mental Health)
2301 HYPERION AVE
LOS ANGELES, CA 90027
Los Angeles County (310) 879-8004
MARIA AGUILAR ACSW
Social Worker (Clinical)
2301 HYPERION AVE
LOS ANGELES, CA 90027
Los Angeles County (800) 726-3890

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 Hilary Malloy's NPI number?

The NPI number for Hilary Malloy is 1871340299. It was assigned to this individual provider in the NPPES registry on May 3, 2024.

Where is Hilary Malloy located?

Hilary Malloy practices at 2301 Hyperion Ave, Los Angeles, CA 90027. The listed phone number is (800) 726-3890.

What is Hilary Malloy's specialty?

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

Is Hilary Malloy enrolled in Medicare?

Yes. Hilary Malloy is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Hilary Malloy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hilary Malloy reassigns Medicare benefits to 2 organizations: Silver Lake Psychology Inc. (Los Angeles, CA) and One Heart Behavioral Health (Reseda, 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 Hilary Malloy'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 Hilary Malloy was last updated on March 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.