Helene O'Mahony, PH.D
NPI 1275766941 · Clinical Psychologist · Dana Point, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Helene O'Mahony, PH.D is a Clinical Psychologist provider in Dana Point, CA (NPI 1275766941).
Provider details
- NPI number
- 1275766941
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY22899 (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
16 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
- 2009-08-28
- Last updated
- 2009-08-28
Frequently asked questions
- What is Helene O'Mahony's NPI number?
- Helene O'Mahony's National Provider Identifier (NPI) is 1275766941, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Helene O'Mahony's specialty?
- Helene O'Mahony is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Helene O'Mahony located?
- Helene O'Mahony's practice location on file with NPPES is 34 Brigeport, Dana Point, CA 92629.
- What is Helene O'Mahony's phone number?
- The practice phone number listed in the NPPES registry for Helene O'Mahony is (310) 871-6419.
- Does Helene O'Mahony accept Medicare?
- Helene O'Mahony is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Helene O'Mahony's NPI active?
- Yes — Helene O'Mahony's NPI (1275766941) is active in the NPPES registry as of the last update on 2009-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.