Active NPI
Rebecca Westbrook, CPNP-PC
- Pediatric Nurse Practitioner
- Litchfield Park, AZ
National Provider Identifier
1790404697
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatric Nurse Practitioner
- License
- 339087
- Practice address
- 4161 N Pioneer Dr Ste 101
Litchfield Park, AZ 85340-5648 - Phone
- (623) 877-7337
- NPI assigned
- Aug 24, 2022
- Sex
- Female
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Pediatric Nurse Practitioner | 363LP0200X | 339087 | AZ | Primary |
Addresses
Primary practice location
4161 N Pioneer Dr Ste 101
Litchfield Park, AZ 85340-5648
Mailing address
4137 N 108TH Ave
Phoenix, AZ 85037-5459
Phone (623) 877-7337
Other practice location 1
6395 W Behrend Dr
Glendale, AZ 85308-7018
Phone (623) 910-5040
Other practice location 2
4137 N 108th Ave
Phoenix, AZ 85037-5459
Phone (623) 877-7337
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 339087 | AZ | MD | Pediatric Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Desert Valley Pediatrics | Single Specialty | Past | Accepting new patients |
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": "1661299200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1779148800000",
"number": "1790404697",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4137 N 108TH AVE",
"city": "PHOENIX",
"state": "AZ",
"postal_code": "850375459",
"telephone_number": "623-877-7337"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4161 N PIONEER DR STE 101",
"city": "LITCHFIELD PARK",
"state": "AZ",
"postal_code": "853405648",
"telephone_number": "623-877-7337"
}
],
"practiceLocations": [
{
"address_1": "6395 W Behrend Dr",
"address_purpose": "LOCATION",
"city": "Glendale",
"state": "AZ",
"postal_code": "853087018",
"country_code": "US",
"telephone_number": "623-910-5040",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "4137 N 108th Ave",
"address_purpose": "LOCATION",
"city": "Phoenix",
"state": "AZ",
"postal_code": "850375459",
"country_code": "US",
"telephone_number": "623-877-7337",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "WESTBROOK",
"first_name": "REBECCA",
"credential": "CPNP-PC",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2022-08-24",
"last_updated": "2026-05-19",
"certification_date": "2026-05-19",
"status": "A"
},
"taxonomies": [
{
"code": "363LP0200X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Nurse Practitioner, Pediatrics",
"state": "AZ",
"license": "339087",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Litchfield Park, AZ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 19, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.