John Charrier, M.F.T.
NPI 1922156231 · Mental Health Counselor · Union City, CA
John Charrier, M.F.T. is a Mental Health Counselor provider in Union City, CA (NPI 1922156231).
Provider details
- NPI number
- 1922156231
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- M.F.T.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MFC39812 (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
- 2007-01-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Charrier's NPI number?
- John Charrier's National Provider Identifier (NPI) is 1922156231, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Charrier's specialty?
- John Charrier is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is John Charrier located?
- John Charrier's practice location on file with NPPES is 3555 Whipple Rd, Union City, CA 94587-1507.
- What is John Charrier's phone number?
- The practice phone number listed in the NPPES registry for John Charrier is (510) 675-3080.
- Is John Charrier's NPI active?
- Yes — John Charrier's NPI (1922156231) 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.