Helen Mahoney, MD
NPI 1922104512 · Obstetrics & Gynecology Physician · Los Alamitos, CA
Helen Mahoney, MD is a Obstetrics & Gynecology Physician provider in Los Alamitos, CA (NPI 1922104512).
Provider details
- NPI number
- 1922104512
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- G62235 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-09-15
- Last updated
- 2010-08-31
Frequently asked questions
- What is Helen Mahoney's NPI number?
- Helen Mahoney's National Provider Identifier (NPI) is 1922104512, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Helen Mahoney's specialty?
- Helen Mahoney is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Helen Mahoney located?
- Helen Mahoney's practice location on file with NPPES is 5242 Katella Ave, Los Alamitos, CA 90720-2820.
- What is Helen Mahoney's phone number?
- The practice phone number listed in the NPPES registry for Helen Mahoney is (562) 431-5103.
- Is Helen Mahoney's NPI active?
- Yes — Helen Mahoney's NPI (1922104512) is active in the NPPES registry as of the last update on 2010-08-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.