Active NPI
Addison Mae Larralde, NP
- Family Nurse Practitioner
- Scottsdale, AZ
National Provider Identifier
1194500785
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- 260433
- Practice address
- 8573 E Princess Dr Ste 215
Scottsdale, AZ 85255-7824 - Phone
- (480) 563-5757
- Fax
- (480) 513-2443
- NPI assigned
- Aug 30, 2023
- 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 |
|---|---|---|---|---|
| Registered Nurse | 163W00000X | 260433 | AZ | |
| Family Nurse Practitioner | 363LF0000X | 260433 | AZ | Primary |
Addresses
Primary practice location
8573 E Princess Dr Ste 215
Scottsdale, AZ 85255-7824
Mailing address
3260 N Hayden Rd Ste 112
Scottsdale, AZ 85251-6650
Phone (602) 264-9100
Other names 1
- Addison M Gunther
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, 2025
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
8573 E Princess Dr
BLDG B Suite 215
Scottsdale, AZ 85255-7824
Phone (480) 563-5757
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 260433 | AZ | MD | Registered Nurse |
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.
-
- Gastroenterology Physician
- Scottsdale, AZ
- NPI 1992981583
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1693353600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1776729600000",
"number": "1194500785",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3260 N HAYDEN RD STE 112",
"city": "SCOTTSDALE",
"state": "AZ",
"postal_code": "852516650",
"telephone_number": "602-264-9100",
"fax_number": "602-264-9101"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "8573 E PRINCESS DR STE 215",
"city": "SCOTTSDALE",
"state": "AZ",
"postal_code": "852557824",
"telephone_number": "480-563-5757",
"fax_number": "480-513-2443"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LARRALDE",
"first_name": "ADDISON",
"middle_name": "MAE",
"credential": "NP",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2023-08-30",
"last_updated": "2026-04-21",
"certification_date": "2026-04-21",
"status": "A"
},
"taxonomies": [
{
"code": "163W00000X",
"taxonomy_group": "",
"desc": "Registered Nurse",
"state": "AZ",
"license": "260433",
"primary": false
},
{
"code": "363LF0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Family",
"state": "AZ",
"license": "260433",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "ADDISON",
"last_name": "GUNTHER",
"middle_name": "M",
"credential": "NP",
"code": "1",
"type": "Former Name"
}
]
}
Other providers in Scottsdale, AZ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 21, 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.