Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LARRELL DILLIHUNT
NPI 1801243852
Social Worker - Clinical in Lancaster, CA

Active since May 19, 2016PECOS Enrolled
335 E AVENUE I, LANCASTER, CA 93535(626) 708-2440 Get Directions Write a Review

NPPES record last updated: October 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 17, 2024, Sep 25, 2024, Sep 19, 2024 and 3 more (6 updates tracked since 2016).

About Larrell Dillihunt NPPES

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

LARRELL DILLIHUNT (NPI 1801243852) is an individual clinical provider in Lancaster, California, licensed in California (122540) and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1801243852
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameLARRELL DILLIHUNT
Location Address335 E AVENUE ILancaster, CA 93535-1916
Mailing AddressPo Box 900013Palmdale, CA 93590-0013
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateMay 19, 2016
Last NPPES UpdateOctober 20, 20266 updates tracked since enumeration
NPPES CertifiedOctober 20, 2026
✔ NPI 1801243852 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Licenses✔ Licensed in CA · 122540✔ Licensed in AZ · 23957
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.
335 E AVENUE I, Lancaster, CA 93535

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Larrell Dillihunt is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7719460716
PECOS Enrollment IDI20260309000490
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 Larrell Dillihunt 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 93535 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 20

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

Clinic/Center
335 E AVENUE I
LANCASTER, CA 93535
Surgery
335 E AVENUE I
LANCASTER, CA 93535
Clinic/Center
335 E AVENUE I
LANCASTER, CA 93535
Licensed Vocational Nurse
335 E AVENUE I
LANCASTER, CA 93535
Clinic/Center
335 E AVENUE I
LANCASTER, CA 93535
Specialist/Technologist, Pathology (Medical Technologist)
335 E AVENUE I
LANCASTER, CA 93535
Social Worker (Clinical)
335 E AVENUE I
LANCASTER, CA 93535
Licensed Vocational Nurse
335 E AVENUE I
LANCASTER, CA 93535

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 Larrell Dillihunt's NPI number?

The NPI number for Larrell Dillihunt is 1801243852. It was assigned to this individual provider in the NPPES registry on May 19, 2016.

Where is Larrell Dillihunt located?

Larrell Dillihunt practices at 335 E Avenue I, Lancaster, CA 93535. The listed phone number is (626) 708-2440.

What is Larrell Dillihunt's specialty?

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

Is Larrell Dillihunt enrolled in Medicare?

Yes. Larrell Dillihunt is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Larrell Dillihunt's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Larrell Dillihunt 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 Larrell Dillihunt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Larrell Dillihunt accept?

Health plans from UnitedHealthcare list Larrell Dillihunt as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Larrell Dillihunt was last updated on October 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.