Active NPI
Brett Allen Stewart, AGNP
- Adult Health Nurse Practitioner
- Prescott, AZ
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Adult Health Nurse Practitioner
- License
- 221409
- Practice address
- 743 Miller Valley Rd
Prescott, AZ 86301-1813 - Phone
- (928) 777-9600
- Fax
- (855) 449-5560
- NPI assigned
- Mar 4, 2022
- Last updated
- Aug 6, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Adult Health Nurse Practitioner | 363LA2200X | 221409 | AZ | Primary |
Addresses
Primary practice location
743 Miller Valley Rd
Prescott, AZ 86301-1813
Mailing address
743 Miller Valley Rd
Prescott, AZ 86301-1813
Phone (928) 777-9600
Other practice location 1
1669 W Ina Rd Ste 141
Tucson, AZ 85704-1981
Phone (520) 795-6183
Other practice location 2
2070 W Rudasill Rd Ste 130
Tucson, AZ 85704-7891
Phone (520) 420-2520
Other practice location 3
3251 N Windsong Dr
Prescott Valley, AZ 86314-1222
Phone (928) 772-2582
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
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- Other, 2021
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
2070 W Rudasill Rd
Suite 130
Tucson, AZ 85704-7891
Phone (520) 420-2520
743 Miller Valley Rd
Prescott, AZ 86301-1813
Phone (928) 458-7563
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 221409 | AZ | MD | Adult Health Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Arizona Oncology Associates PC | Current | Accepting new patients | |
| Arizona Medical Services, PC | Current | Accepting new patients | |
| Greater Phoenix Collaborative Care PC | Current | Accepting new patients | |
| TMC Medical Network | Current | Accepting new patients | |
| Greater Phoenix Collaborative Care PC | Current | Accepting new patients | |
| Prescott Healthcare Solutions LLC | Current | Accepting new patients | |
| Arizona Adult and Pediatric Medicine PC | Past | Accepting new patients |
Locations
1315 S La Canada Dr
Green Valley, AZ 85622
Phone (520) 625-6600
5830 N 19th Ave
Phoenix, AZ 85015
Phone (602) 249-0115
743 Miller Valley Rd
Prescott, AZ 86301
Phone (928) 443-1000
3251 N Windsong Dr
Prescott Vly, AZ 86314
Phone (928) 772-2582
1620 W Saint Marys Rd
Tucson, AZ 85745
Phone (520) 624-7445
1669 W Ina Rd
Ste 101
Tucson, AZ 85704
Phone (520) 573-0966
1669 W Ina Rd
Ste 141
Tucson, AZ 85704
Phone (520) 795-6183
2070 W Rudasill Rd
Ste 130
Tucson, AZ 85704
Phone (520) 420-2520
2380 N Ferguson Ave
Ste 104
Tucson, AZ 85712
Phone (520) 324-1010
2625 N Craycroft Rd
Ste 20
Tucson, AZ 85712
Phone (520) 324-2409
3476 S Kino Pkwy
Tucson, AZ 85713
Phone (520) 420-2340
Interoperability endpoints
- bstewart114526@westdirect.optum.com
Organizations & group practices 8
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba Optima Medical
- Family Medicine Physician
- Prescott, AZ
- NPI 1821454505
-
- Multi-Specialty Clinic/Center
- Tucson, AZ
- NPI 1750832283
-
- Multi-Specialty Clinic/Center
- Tucson, AZ
- NPI 1467310417
-
- Clinic/Center
- Phoenix, AZ
- NPI 1750686614
-
- Family Medicine Physician
- Tucson, AZ
- NPI 1679583306
-
- Diagnostic Radiology Physician
- Phoenix, AZ
- NPI 1790581742
-
- Internal Medicine Physician
- Prescott, AZ
- NPI 1225212905
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Tucson, AZ
- NPI 1174512792
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1646352000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1785974400000",
"number": "1992452411",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "743 MILLER VALLEY RD",
"city": "PRESCOTT",
"state": "AZ",
"postal_code": "863011813",
"telephone_number": "928-777-9600",
"fax_number": "855-449-5560"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "743 MILLER VALLEY RD",
"city": "PRESCOTT",
"state": "AZ",
"postal_code": "863011813",
"telephone_number": "928-777-9600",
"fax_number": "855-449-5560"
}
],
"practiceLocations": [
{
"address_1": "1669 W Ina Rd Ste 141",
"address_purpose": "LOCATION",
"city": "Tucson",
"state": "AZ",
"postal_code": "857041981",
"country_code": "US",
"telephone_number": "520-795-6183",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2070 W Rudasill Rd Ste 130",
"address_purpose": "LOCATION",
"city": "Tucson",
"state": "AZ",
"postal_code": "857047891",
"country_code": "US",
"telephone_number": "520-420-2520",
"fax_number": "520-420-2522",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "3251 N Windsong Dr",
"address_purpose": "LOCATION",
"city": "Prescott Valley",
"state": "AZ",
"postal_code": "863141222",
"country_code": "US",
"telephone_number": "928-772-2582",
"fax_number": "877-319-1729",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "STEWART",
"first_name": "BRETT",
"middle_name": "ALLEN",
"name_prefix": "Mr.",
"credential": "AGNP",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2022-03-04",
"last_updated": "2026-08-06",
"certification_date": "2026-08-06",
"status": "A"
},
"taxonomies": [
{
"code": "363LA2200X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Adult Health",
"state": "AZ",
"license": "221409",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Prescott, AZ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- 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.