1. Home
  2. Directory
  3. Arizona
  4. Gilbert
  5. Occupational Therapist
  6. NPI Profile

MERCEDES RAE HALLSTED OT
NPI 1295688109
Occupational Therapist - Hand in Gilbert, AZ

Active since February 19, 2026Accepts Medicare Assignment
1675 E MELROSE ST, GILBERT, AZ 85297(602) 648-5444(602) 772-3801 Get Directions Write a Review

NPPES record last updated: July 29, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mercedes Rae Hallsted Ot NPPES

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

MERCEDES RAE HALLSTED OT (NPI 1295688109) is an individual hand provider in Gilbert, Arizona, licensed in Arizona (OTH-010322) and active in the NPI registry since February 2026. She maintains a secondary practice location in Gilbert and is a graduate of Other (2025).

NPPES Registry Identity

NPI1295688109
Entity TypeIndividualFemale
Primary Taxonomy225XH1200X
Provider Legal NameMERCEDES RAE HALLSTEDCredential: OT
Location Address1675 E MELROSE STGilbert, AZ 85297-1001
Mailing AddressPo Box 80217Phoenix, AZ 85060-0217 · (602) 385-2115 · Fax (480) 418-3323
Phone(602) 648-5444
Fax(602) 772-3801
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateFebruary 19, 2026
Last NPPES UpdateJuly 29, 2026
NPPES CertifiedJuly 29, 2026
✔ NPI 1295688109 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOccupational Therapist · HandRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code225XH1200X
License✔ Licensed in AZ · OTH-010322
Also ListedOccupational TherapistTaxonomy 225X00000X
1675 E MELROSE ST, Gilbert, AZ 85297
Open in Google Maps ↗

Other Names 1

Former Name (1)Mercedes Rae Thompson

Secondary Practice Location 1

Location 12940 E Banner Gateway DrGilbert, AZ 85234-2168 · Phone (602) 648-5444 · Fax (602) 772-3801

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mercedes Rae Hallsted Ot is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1456833755
PECOS Enrollment IDI20260305002201

Medicare Billing Reassignment

Medicare enrollment records show Mercedes Hallsted reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Orthopedic Specialists Of North America PLLC
Same address
Magnetic Resonance Imaging (MRI)
1675 E MELROSE ST STE 101-103
Gilbert, AZ 85297
  • Reassigned Medicare billing, Arizona enrollment
  • 330 clinicians in this Medicare group
NPI 1508337213 (623) 846-7614

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 8

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

CHRISTINE ALTAMIRANO DPT
Physical Therapist
1675 E MELROSE ST
GILBERT, AZ 85297
Maricopa County (602) 648-5444
DR. JUSTIN USHIO PT, DPT, CSCS
Physical Therapist
1675 E MELROSE ST
GILBERT, AZ 85297
Maricopa County (480) 964-2908
MRS. TARA MAYFIELD DPT
Physical Therapist
1675 E MELROSE ST
GILBERT, AZ 85297
Maricopa County (602) 648-5444
ORTHOAZ SURGERY CENTER
Surgery
1675 E MELROSE ST
GILBERT, AZ 85297
Maricopa County (480) 519-8100
ALEXANDER KIRK PT
Physical Therapist
1675 E MELROSE ST
GILBERT, AZ 85297
Maricopa County (602) 648-5444
KIEFER EUGENE HUFF PT, DPT
Physical Therapist
1675 E MELROSE ST
GILBERT, AZ 85297
Maricopa County (480) 964-2908
KAYLEA EADES DPT
Physical Therapist
1675 E MELROSE ST
GILBERT, AZ 85297
Maricopa County (480) 964-2908
JAMIE NICHOLE KIESER OTR/L
Occupational Therapist
1675 E MELROSE ST
GILBERT, AZ 85297
Maricopa County (480) 964-2908

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 Mercedes Hallsted's NPI number?

The NPI number for Mercedes Hallsted is 1295688109. It was assigned to this individual provider in the NPPES registry on February 19, 2026. The provider is also known as Mercedes Rae Thompson.

Where is Mercedes Hallsted located?

Mercedes Hallsted practices at 1675 E Melrose St, Gilbert, AZ 85297. The listed phone number is (602) 648-5444.

What is Mercedes Hallsted's specialty?

The primary specialty registered for this NPI is Occupational Therapist, specializing in Hand, with taxonomy code 225XH1200X.

Is Mercedes Hallsted enrolled in Medicare?

Yes. Mercedes Hallsted is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Mercedes Hallsted's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mercedes Hallsted reassigns Medicare benefits to Orthopedic Specialists Of North America PLLC (Gilbert, AZ). 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 Mercedes Hallsted's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mercedes Hallsted accept?

Health plans from Blue Cross Blue Shield of Arizona and Cigna HealthCare of Arizona, Inc list Mercedes Hallsted 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 Mercedes Hallsted was last updated on July 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.