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Keven O'Brien
NPI 1538324033 · Mental Health Counselor · Costa Mesa, CA
Keven O'Brien is a Mental Health Counselor provider in Costa Mesa, CA (NPI 1538324033).
Provider details
- NPI number
- 1538324033
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(80/100 index)
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
83% 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
275 Baker St E
Suite a
Costa Mesa, CA 92626-4566
Phone: (714) 361-6760
Fax: (714) 361-6768
Street-level locationGet directions
Mailing address
1910 N Bush St
Santa Ana, CA 92706-2816
Registry dates
- Enumerated
- 2008-07-23
- Last updated
- 2015-05-07
Frequently asked questions
- What is Keven O'Brien's NPI number?
- Keven O'Brien's National Provider Identifier (NPI) is 1538324033, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keven O'Brien's specialty?
- Keven O'Brien is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Keven O'Brien located?
- Keven O'Brien's practice location on file with NPPES is 275 Baker St E, Costa Mesa, CA 92626-4566.
- What is Keven O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Keven O'Brien is (714) 361-6760.
- Is Keven O'Brien's NPI active?
- Yes — Keven O'Brien's NPI (1538324033) is active in the NPPES registry as of the last update on 2015-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.