Douglas Fong, M.S., L.M.F.T.
NPI 1114051570 · Marriage & Family Therapist · San Mateo, CA
Douglas Fong, M.S., L.M.F.T. is a Marriage & Family Therapist provider in San Mateo, CA (NPI 1114051570).
Provider details
- NPI number
- 1114051570
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- M.S., L.M.F.T.
- Sex
- Male
- Sole proprietor
- No
- License
- MFC33984 (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
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
- 2007-03-15
- Last updated
- 2021-03-08
- Certified
- 2021-03-08
Frequently asked questions
- What is Douglas Fong's NPI number?
- Douglas Fong's National Provider Identifier (NPI) is 1114051570, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Fong's specialty?
- Douglas Fong is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Douglas Fong located?
- Douglas Fong's practice location on file with NPPES is 1950 Alameda De Las Pulgas, San Mateo, CA 94403-1222.
- What is Douglas Fong's phone number?
- The practice phone number listed in the NPPES registry for Douglas Fong is (650) 556-6422.
- Is Douglas Fong's NPI active?
- Yes — Douglas Fong's NPI (1114051570) is active in the NPPES registry as of the last update on 2021-03-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.