John Yoo
NPI 1447721139 · Marriage & Family Therapist · San Leandro, CA
John Yoo is a Marriage & Family Therapist provider in San Leandro, CA (NPI 1447721139).
Provider details
- NPI number
- 1447721139
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 109837 (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
7 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
- 2018-12-06
- Last updated
- 2018-12-06
Frequently asked questions
- What is John Yoo's NPI number?
- John Yoo's National Provider Identifier (NPI) is 1447721139, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Yoo's specialty?
- John Yoo is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is John Yoo located?
- John Yoo's practice location on file with NPPES is 2275 Arlington Dr, San Leandro, CA 94578-1132.
- What is John Yoo's phone number?
- The practice phone number listed in the NPPES registry for John Yoo is (510) 317-1444.
- Is John Yoo's NPI active?
- Yes — John Yoo's NPI (1447721139) is active in the NPPES registry as of the last update on 2018-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.