Active NPI
Diane M O'Brien, LPC
- Professional Counselor
- Phoenix, AZ
National Provider Identifier
1669612644
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Professional Counselor
- License
- 20388
- Practice address
- 2605 W Dove Valley Rd Apt 115
Phoenix, AZ 85085-5202 - Phone
- (910) 712-6824
- NPI assigned
- Mar 3, 2009
- 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 |
|---|---|---|---|---|
| Professional Counselor | 101YP2500X | 20388 | AZ | Primary |
Addresses
Primary practice location
2605 W Dove Valley Rd Apt 115
Phoenix, AZ 85085-5202
Mailing address
2605 W Dove Valley Rd Apt 115
Phoenix, AZ 85085-5202
Phone (910) 712-6824
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: No
- Power mobility devices: No
- Hospice: No
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20250310001092 | AZ | Practitioner - Mental Health Counselor | 6608397468 | Practice locations: Phoenix, AZ |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 20388 | AZ | MD | Professional Counselor |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1236038400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1747267200000",
"number": "1669612644",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2605 W DOVE VALLEY RD APT 115",
"city": "PHOENIX",
"state": "AZ",
"postal_code": "850855202",
"telephone_number": "910-712-6824"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2605 W DOVE VALLEY RD APT 115",
"city": "PHOENIX",
"state": "AZ",
"postal_code": "850855202",
"telephone_number": "910-712-6824"
}
],
"practiceLocations": [],
"basic": {
"last_name": "O'BRIEN",
"first_name": "DIANE",
"middle_name": "M",
"name_prefix": "Dr.",
"credential": "LPC",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2009-03-03",
"last_updated": "2025-05-15",
"certification_date": "2025-05-15",
"status": "A"
},
"taxonomies": [
{
"code": "101YP2500X",
"taxonomy_group": "",
"desc": "Counselor, Professional",
"state": "AZ",
"license": "20388",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Phoenix, AZ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 15, 2025; 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.