Helena Mcmahon, LMFT
NPI 1760701734 · Marriage & Family Therapist · San Francisco, CA
Helena Mcmahon, LMFT is a Marriage & Family Therapist provider in San Francisco, CA (NPI 1760701734).
Provider details
- NPI number
- 1760701734
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- MFC42401 (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
- 2010-05-28
- Last updated
- 2010-05-28
Frequently asked questions
- What is Helena Mcmahon's NPI number?
- Helena Mcmahon's National Provider Identifier (NPI) is 1760701734, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Helena Mcmahon's specialty?
- Helena Mcmahon is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Helena Mcmahon located?
- Helena Mcmahon's practice location on file with NPPES is 23 Masonic Ave, San Francisco, CA 94118-3417.
- What is Helena Mcmahon's phone number?
- The practice phone number listed in the NPPES registry for Helena Mcmahon is (415) 929-7171.
- Is Helena Mcmahon's NPI active?
- Yes — Helena Mcmahon's NPI (1760701734) is active in the NPPES registry as of the last update on 2010-05-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.