Sean O'Neill, LMFT
NPI 1215202304 · Marriage & Family Therapist · Irvine, CA
Sean O'Neill, LMFT is a Marriage & Family Therapist provider in Irvine, CA (NPI 1215202304).
Provider details
- NPI number
- 1215202304
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Male
- Sole proprietor
- Yes
- License
- 112879 (CA)
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
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 60 Stepping StoneIrvine, CA 92603-4206Phone: (949) 285-6484
Registry dates
- Enumerated
- 2012-03-21
- Last updated
- 2024-01-13
- Certified
- 2024-01-13
Frequently asked questions
- What is Sean O'Neill's NPI number?
- Sean O'Neill's National Provider Identifier (NPI) is 1215202304, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sean O'Neill's specialty?
- Sean O'Neill is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Sean O'Neill located?
- Sean O'Neill's practice location on file with NPPES is 2081 Business Center Dr, Irvine, CA 92612-1119.
- What is Sean O'Neill's phone number?
- The practice phone number listed in the NPPES registry for Sean O'Neill is (657) 500-1441.
- Is Sean O'Neill's NPI active?
- Yes — Sean O'Neill's NPI (1215202304) is active in the NPPES registry as of the last update on 2024-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.