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MARGARET S HIATT LCSW
NPI 1104201896
Social Worker - Clinical in Yuma, AZ

Active since July 23, 2015PECOS Enrolled
3818 W 16TH ST BLDG 5, YUMA, AZ 85364(520) 570-1460 Get Directions Write a Review

NPPES record last updated: September 16, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 16, 2025, Aug 21, 2023, Apr 6, 2022 and 1 more (4 updates tracked since 2017).

About Margaret S Hiatt Lcsw NPPES

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

MARGARET S HIATT LCSW (NPI 1104201896) is an individual clinical provider in Yuma, Arizona, licensed in Arizona (16663) and active in the NPI registry since July 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1104201896
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMARGARET S HIATTCredential: LCSW
Location Address3818 W 16TH ST BLDG 5Yuma, AZ 85364-4107
Mailing Address1161 N El Dorado Pl Ste 203Tucson, AZ 85715-4607 · (520) 748-7108 · Fax (520) 570-1396
Phone(520) 570-1460
Sole ProprietorNo
Enumeration DateJuly 23, 2015
Last NPPES UpdateSeptember 16, 20254 updates tracked since enumeration
NPPES CertifiedSeptember 16, 2025
✔ NPI 1104201896 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 AZ · 16663✔ Licensed in AZ · LMSW-14034
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.
3818 W 16TH ST BLDG 5, Yuma, AZ 85364
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Other Names 1

Former Name (1)Margaret Gregg

Other Identifiers 1

Medicaid267945AZ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Imperial Insurance Companies, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Margaret S Hiatt 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85364 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 $55.44 – $168.60
Typical copayment $0.00 (range $13.86 – $42.15)
Most-billed visit code NA
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
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 3

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

MITALI SATHI MITRA MD
Psychiatry & Neurology (Child & Adolescent Psychiatry)
3818 W 16TH ST BLDG 5
YUMA, AZ 85364
Yuma County (928) 317-0177
PATHWAYS OF ARIZONA, LLC
Clinic/Center (Mental Health (Including Community Mental Health Center))
3818 W 16TH ST BLDG 5
YUMA, AZ 85364
Yuma County (928) 317-0177
MRS. KYNA AMBROSE PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
3818 W 16TH ST BLDG 5
YUMA, AZ 85364
Yuma County (928) 317-0177

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 Margaret Hiatt's NPI number?

The NPI number for Margaret Hiatt is 1104201896. It was assigned to this individual provider in the NPPES registry on July 23, 2015. The provider is also known as Margaret Gregg.

Where is Margaret Hiatt located?

Margaret Hiatt practices at 3818 W 16th St Bldg 5, Yuma, AZ 85364. The listed phone number is (520) 570-1460.

What is Margaret Hiatt's specialty?

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

Is Margaret Hiatt enrolled in Medicare?

Yes. Margaret Hiatt is registered in the Medicare PECOS enrollment system.

What insurance does Margaret Hiatt accept?

Health plans from Blue Cross Blue Shield of Arizona and Imperial Insurance Companies, Inc. list Margaret Hiatt 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 Margaret Hiatt was last updated on September 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.