Individual provider Active NPI

Mercedes Rae Hallsted, OT

  • Hand Occupational Therapist
  • Gilbert, AZ
National Provider Identifier
1295688109
Registry record updated Jul 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hand Occupational TherapistTaxonomy code 225XH1200X
License
OTH-010322 Issued in AZ
Practice address
1675 E Melrose St
Gilbert, AZ 85297-1001
Phone
(602) 648-5444
Fax
(602) 772-3801
NPI assigned
Feb 19, 2026
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 29, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Occupational Therapist 225X00000X
Hand Occupational Therapist 225XH1200X OTH-010322 AZ Primary

Addresses

Primary practice location

1675 E Melrose St
Gilbert, AZ 85297-1001

Mailing address

PO Box 80217
Phoenix, AZ 85060-0217
Phone (602) 385-2115

Other practice location 1

2940 E Banner Gateway Dr
Gilbert, AZ 85234-2168
Phone (602) 648-5444

Other names 1

  • Mercedes Rae Thompson Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AZ

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260305002201 AZ Practitioner - Occupational Therapist in Private Practice 1456833755 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Occupational Therapist in Private Practice
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Orthopedic Specialists of North America PLLCGroup PAC ID 7719014505, 310 clinicians

Practice addresses (Care Compare)

1675 E Melrose St
Unit 202
Gilbert, AZ 85297-1002
Phone (602) 648-5444

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
OTH-010322AZMDHand Occupational Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Orthopedic Specialists of North America, PLLC CurrentSince Feb 19, 2026 Accepting new patients
Orthopedic Specialists of North America PLLC Occupational Therapist CurrentSince Feb 19, 2026 Accepting new patients
Orthopedic Specialists of North America, PLLC Past Accepting new patients

Locations

1675 E Melrose St
Unit 202
Gilbert, AZ 85297

2940 E Banner Gateway Dr
Ste 200250
Gilbert, AZ 85234

1675 E Melrose St
Ste 101103
Gilbert, AZ 85297
Phone (602) 631-3161

40601 N Gantzel Rd
Ste 103
San Tan Vly, AZ 85140

Organizations & group practices 3

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1771459200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785283200000",
    "number": "1295688109",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 80217",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850600217",
            "telephone_number": "602-385-2115",
            "fax_number": "480-418-3323"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1675 E MELROSE ST",
            "city": "GILBERT",
            "state": "AZ",
            "postal_code": "852971001",
            "telephone_number": "602-648-5444",
            "fax_number": "602-772-3801"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2940 E Banner Gateway Dr",
            "address_purpose": "LOCATION",
            "city": "Gilbert",
            "state": "AZ",
            "postal_code": "852342168",
            "country_code": "US",
            "telephone_number": "602-648-5444",
            "fax_number": "602-772-3801",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HALLSTED",
        "first_name": "MERCEDES",
        "middle_name": "RAE",
        "credential": "OT",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-02-19",
        "last_updated": "2026-07-29",
        "certification_date": "2026-07-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225X00000X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "225XH1200X",
            "taxonomy_group": "",
            "desc": "Occupational Therapist, Hand",
            "state": "AZ",
            "license": "OTH-010322",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MERCEDES",
            "last_name": "THOMPSON",
            "middle_name": "RAE",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Gilbert, AZ

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 29, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.