Active NPI
Southwest Allergy Institute PLLC
- Allergy & Immunology Physician
- Phoenix, AZ
National Provider Identifier
1295605335
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Allergy & Immunology Physician
- Legal business name
- SOUTHWEST ALLERGY INSTITUTE PLLC
- Practice address
- 1328 E Marconi Ave
Phoenix, AZ 85022-3235 - Phone
- (602) 349-0929
- NPI assigned
- Nov 5, 2025
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Jacob Tyler Maddux
- Title
- MD
- Phone
- (602) 349-0929
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Allergy & Immunology Physician | 207K00000X | Primary |
Addresses
Primary practice location
1328 E Marconi Ave
Phoenix, AZ 85022-3235
Mailing address
198877 W Union Hills Dr
Suite 200
Peoria, AZ 85382
Phone (602) 349-0929
Other practice location 1
8877 W Union Hills Dr Ste 200
Peoria, AZ 85382-3016
Phone (602) 349-0929
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in AZ
Enrollment records 1
National Provider Directory
National Provider DirectoryLocations
19820 N 7th St
Ste 230
Phoenix, AZ 85024
Phone (602) 584-6150
Practitioners & affiliated clinicians
Practitioners 1
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.
-
- Allergy & Immunology Physician
- Peoria, AZ
- NPI 1760839211
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1762300800000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1785974400000",
"number": "1295605335",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "198877 W UNION HILLS DR",
"address_2": "SUITE 200",
"city": "PEORIA",
"state": "AZ",
"postal_code": "85382",
"telephone_number": "602-349-0929"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1328 E MARCONI AVE",
"city": "PHOENIX",
"state": "AZ",
"postal_code": "850223235",
"telephone_number": "602-349-0929"
}
],
"practiceLocations": [
{
"address_1": "8877 W Union Hills Dr Ste 200",
"address_purpose": "LOCATION",
"city": "Peoria",
"state": "AZ",
"postal_code": "853823016",
"country_code": "US",
"telephone_number": "602-349-0929",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"organization_name": "SOUTHWEST ALLERGY INSTITUTE PLLC",
"organizational_subpart": "NO",
"enumeration_date": "2025-11-05",
"last_updated": "2026-08-06",
"certification_date": "2026-08-06",
"status": "A",
"authorized_official_last_name": "MADDUX",
"authorized_official_first_name": "JACOB",
"authorized_official_middle_name": "TYLER",
"authorized_official_title_or_position": "MD",
"authorized_official_telephone_number": "602-349-0929"
},
"taxonomies": [
{
"code": "207K00000X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Allergy & Immunology",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Phoenix, AZ
- Southland Geriatric & Palliative Care, LLC
- Southland Home Care, LLC
- Southland Hospice LLC
- Logan C Southwell, PTA
- Southwest Accident & Injury Medical Center ,II LTD
- Southwest Associates of Neurosurgery, PLLC
- Southwest Audiology Inc
- Southwest Autism Research and Resource Center
- Southwest Autism Research and Resource Center
- Southwest Autism Research and Resource Center
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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.