Active NPI
Mercedes Rae Hallsted, OT
- Hand Occupational Therapist
- Gilbert, AZ
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hand Occupational Therapist
- License
- OTH-010322
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in AZ
Enrollment records 1
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
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
| License | State | Type | Specialty |
|---|---|---|---|
| OTH-010322 | AZ | MD | Hand Occupational Therapist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Orthopedic Specialists of North America, PLLC | Current | Accepting new patients | |
| Orthopedic Specialists of North America PLLC | Occupational Therapist | Current | 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.
-
- Orthopaedic Surgery Physician
- Phoenix, AZ
- NPI 1770812828
-
- Magnetic Resonance Imaging (MRI) Clinic/Center
- Gilbert, AZ
- NPI 1508337213
Occupational Therapist
-
- Orthopaedic Surgery Physician
- Gilbert, AZ
- NPI 1962292870
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.