Diane O'Brien, LPC
NPI 1669612644 · Professional Counselor · Phoenix, AZ
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane O'Brien, LPC is a Professional Counselor provider in Phoenix, AZ (NPI 1669612644).
Provider details
- NPI number
- 1669612644
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- LPC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 20388 (AZ)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-03-03
- Last updated
- 2025-05-15
- Certified
- 2025-05-15
Frequently asked questions
- What is Diane O'Brien's NPI number?
- Diane O'Brien's National Provider Identifier (NPI) is 1669612644, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane O'Brien's specialty?
- Diane O'Brien is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Diane O'Brien located?
- Diane O'Brien's practice location on file with NPPES is 2605 W Dove Valley Rd Apt 115, Phoenix, AZ 85085-5202.
- What is Diane O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Diane O'Brien is (910) 712-6824.
- Does Diane O'Brien accept Medicare?
- Diane O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane O'Brien's NPI active?
- Yes — Diane O'Brien's NPI (1669612644) is active in the NPPES registry as of the last update on 2025-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.