Margaret Friel, MFTI
NPI 1679778856 · Marriage & Family Therapist · San Mateo, CA
Margaret Friel, MFTI is a Marriage & Family Therapist provider in San Mateo, CA (NPI 1679778856).
Provider details
- NPI number
- 1679778856
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MFTI
- Sex
- Female
- Sole proprietor
- Yes
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
19 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
Mailing address
Registry dates
- Enumerated
- 2007-06-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Margaret Friel's NPI number?
- Margaret Friel's National Provider Identifier (NPI) is 1679778856, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Friel's specialty?
- Margaret Friel is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Margaret Friel located?
- Margaret Friel's practice location on file with NPPES is 1670 S Amphlett Blvd, San Mateo, CA 94402-2510.
- What is Margaret Friel's phone number?
- The practice phone number listed in the NPPES registry for Margaret Friel is (650) 349-7969.
- Is Margaret Friel's NPI active?
- Yes — Margaret Friel's NPI (1679778856) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.