Active NPI
Regina Nicole Spencer-Sikandar, ARNP
- Psychiatric/Mental Health Nurse Practitioner
- Scottsdale, AZ
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatric/Mental Health Nurse Practitioner
- License
- 285004
- Practice address
- 16444 N 91St St BLDG H
Scottsdale, AZ 85260-1567 - Phone
- (725) 308-6867
- NPI assigned
- Oct 1, 2014
- 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 5
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Psychiatric/Mental Health Nurse Practitioner | 363LP0808X | APRN11022654 | FL | |
| Psychiatric/Mental Health Nurse Practitioner | 363LP0808X | AP60793671 | WA | |
| Psychiatric/Mental Health Nurse Practitioner | 363LP0808X | 285004 | AZ | Primary |
| Psychiatric/Mental Health Nurse Practitioner | 363LP0808X | 832131 | NV | |
| Psychiatric/Mental Health Nurse Practitioner | 363LP0808X | 201909162NPPP | OR |
Addresses
Primary practice location
16444 N 91St St BLDG H
Scottsdale, AZ 85260-1567
Mailing address
PO Box 370627
Las Vegas, NV 89137-0627
Phone (725) 625-8780
Other practice location 1
1180 N Town Center Dr Ste 100
Las Vegas, NV 89144-6308
Phone (702) 625-8780
Other names 1
- Ms. Regina Nicole Spencer
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in WA, OR, FL, AZ
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 4
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20181217002875 | WA | Practitioner - Nurse Practitioner | 4284951641 | Reassigns benefits to 1 organization |
| I20250903002718 | OR | Practitioner - Nurse Practitioner | 4284951641 | Reassigns benefits to 1 organization |
| I20250911004330 | FL | Practitioner - Nurse Practitioner | 4284951641 | Reassigns benefits to 1 organization |
| I20251106001883 | AZ | Practitioner - Nurse Practitioner | 4284951641 | Reassigns benefits to 1 organization |
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- Other, 2014
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
Practice addresses (Care Compare)
11042 N 24TH Ave
Suite 102And103
Phoenix, AZ 85029-4777
1717 Main St
Suite 5850
Dallas, TX 75201-4681
1717 Main St
Suite 5850
Dallas, TX 75201-7317
363 Carlisle Crossing St
Las Vegas, NV 89138-1515
5954 NW 88TH Ave
Tamarac, FL 33321-4293
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 285004 | AZ | MD | Psychiatric/Mental Health Nurse Practitioner |
| APRN11022654 | FL | MD | Psychiatric/Mental Health Nurse Practitioner |
| 832131 | NV | MD | Psychiatric/Mental Health Nurse Practitioner |
| 201909162NPPP | OR | MD | Psychiatric/Mental Health Nurse Practitioner |
| AP60793671 | WA | MD | Psychiatric/Mental Health Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Cornerstone Healing Center, LLC | Current | Accepting new patients | |
| Forefront Telecare Inc | Current | Accepting new patients | |
| Cornerstone Healing Center, LLC | Current | Accepting new patients | |
| Forefront-Rosenzweig Medical Services Professional Corporation | Current | Accepting new patients | |
| Access Telecare, PLLC | Nurse Practitioner | Current | Accepting new patients |
| BBS Wellness LLC | Current | Accepting new patients | |
| Cornerstone Healing Center, LLC | Past | Accepting new patients | |
| Pacific North Recovery Center, LLC | Past | Accepting new patients | |
| Mission Treatment Centers, Inc. | Past | Accepting new patients | |
| Mission Treatment Centers, Inc. | Past | Accepting new patients |
Locations
4344 W Indian School Rd
Ste 2223
Phoenix, AZ 85031
Phone (480) 863-0217
11042 N 24th Ave
Ste 102103
Phoenix, AZ 85029
Phone (623) 688-6103
11042 N 24th Ave
Ste 102
Phoenix, AZ 85029
Phone (602) 536-8003
16444 N 91st St
Scottsdale, AZ 85260
Phone (480) 863-0217
16444 N 91st St
Bldg H
Scottsdale, AZ 85260
Phone (725) 308-6867
115 N Calhoun St
Ste 4
Tallahassee, FL 32301
Phone (323) 776-3632
2800 10th Ave N
Billings, MT 59101
Phone (406) 248-3290
698 12th St SE
Ste 200
Salem, OR 97301
Phone (339) 499-9815
1780 Barnes Blvd SW
Tumwater, WA 98512
Phone (212) 993-7809
Organizations & group practices 10
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.
-
- Mental Health Clinic/Center (Including Community Mental Health Center)
- Phoenix, AZ
- NPI 1326804881
AZ
-
- Psychiatry Physician
- Dallas, TX
- NPI 1588101745
OR, WA
-
- Mental Health Clinic/Center (Including Community Mental Health Center)
- Phoenix, AZ
- NPI 1649958760
-
- Substance Abuse Rehabilitation Facility
- Scottsdale, AZ
- NPI 1710556808
-
- Substance Use Disorder Rehabilitation Clinic/Center
- Scottsdale, AZ
- NPI 1154823680
-
- Methadone Clinic
- Scottsdale, AZ
- NPI 1700192077
-
- Methadone Clinic
- Henderson, NV
- NPI 1154637429
-
- Substance Abuse Rehabilitation Facility
- Ridgefield, WA
- NPI 1669837449
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1412121600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1780358400000",
"number": "1487057717",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 370627",
"city": "LAS VEGAS",
"state": "NV",
"postal_code": "891370627",
"telephone_number": "725-625-8780",
"fax_number": "702-505-4544"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "16444 N 91ST ST BLDG H",
"city": "SCOTTSDALE",
"state": "AZ",
"postal_code": "852601567",
"telephone_number": "725-308-6867"
}
],
"practiceLocations": [
{
"address_1": "1180 N Town Center Dr Ste 100",
"address_purpose": "LOCATION",
"city": "Las Vegas",
"state": "NV",
"postal_code": "891446308",
"country_code": "US",
"telephone_number": "702-625-8780",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "SPENCER-SIKANDAR",
"first_name": "REGINA",
"middle_name": "NICOLE",
"name_prefix": "Mrs.",
"credential": "ARNP",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2014-10-01",
"last_updated": "2026-06-02",
"certification_date": "2026-06-02",
"status": "A"
},
"taxonomies": [
{
"code": "363LP0808X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Psychiatric/Mental Health",
"state": "FL",
"license": "APRN11022654",
"primary": false
},
{
"code": "363LP0808X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Psychiatric/Mental Health",
"state": "WA",
"license": "AP60793671",
"primary": false
},
{
"code": "363LP0808X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Psychiatric/Mental Health",
"state": "AZ",
"license": "285004",
"primary": true
},
{
"code": "363LP0808X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Psychiatric/Mental Health",
"state": "NV",
"license": "832131",
"primary": false
},
{
"code": "363LP0808X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Psychiatric/Mental Health",
"state": "OR",
"license": "201909162NPPP",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "REGINA",
"last_name": "SPENCER",
"middle_name": "NICOLE",
"prefix": "MS.",
"credential": "ARNP",
"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 Jun 2, 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.