Individual provider Active NPI

Catherine Lee Desrosier, PA-C

  • Physician Assistant
  • Gilbert, AZ
National Provider Identifier
1912860396
Registry record updated Dec 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
11422 Issued in AZ
Practice address
3370 S Mercy Road
Suite 314
Gilbert, AZ 85297-0417
Phone
(480) 782-0993
NPI assigned
Dec 3, 2025
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Dec 3, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 11422 AZ Primary

Addresses

Primary practice location

3370 S Mercy Road
Suite 314
Gilbert, AZ 85297-0417

Mailing address

3370 S Mercy Road
Suite 314
Gilbert, AZ 85297-0417
Phone (480) 782-0993

Other practice location 1

22711 S Ellsworth Road
Suite 104
Queen Creek, AZ 85142-6789
Phone (480) 782-0993

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AZ
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260112000352 AZ Practitioner - Physician Assistant 0042796880 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Arizona OB GYN Affiliates PCGroup PAC ID 7911094040, 122 clinicians

Practice addresses (Care Compare)

3370 S Mercy Rd
Suite 314
Gilbert, AZ 85297-0417
Phone (480) 782-0993

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
11422AZMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Arizona OB GYN Affiliates PC CurrentSince Feb 1, 2026 Accepting new patients

Locations

1950 W Frye Rd
Ste B
Chandler, AZ 85224

3370 S Mercy Rd
Ste 314
Gilbert, AZ 85297
Phone (480) 782-0993

22711 S Ellsworth Rd
Ste 104
Queen Creek, AZ 85142
Phone (480) 782-0993

22711 S Ellsworth Rd
Queen Creek, AZ 85142
Phone (480) 325-7639

1840 E Baseline Rd
Ste A3
Tempe, AZ 85283
Phone (480) 618-1342

Organizations & group practices 1

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": "1764720000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764720000000",
    "number": "1912860396",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3370 S MERCY ROAD",
            "address_2": "SUITE 314",
            "city": "GILBERT",
            "state": "AZ",
            "postal_code": "852970417",
            "telephone_number": "480-782-0993"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3370 S MERCY ROAD",
            "address_2": "SUITE 314",
            "city": "GILBERT",
            "state": "AZ",
            "postal_code": "852970417",
            "telephone_number": "480-782-0993"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "22711 S Ellsworth Road",
            "address_2": "Suite 104",
            "address_purpose": "LOCATION",
            "city": "Queen Creek",
            "state": "AZ",
            "postal_code": "851426789",
            "country_code": "US",
            "telephone_number": "480-782-0993",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DESROSIER",
        "first_name": "CATHERINE",
        "middle_name": "LEE",
        "credential": "PA-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-12-03",
        "last_updated": "2025-12-03",
        "certification_date": "2025-12-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "AZ",
            "license": "11422",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Gilbert, AZ

Sources for this page

Verify at the official NPI Registry.