John Shafer, MFTI
NPI 1669548228 · Marriage & Family Therapist · Los Gatos, CA
John Shafer, MFTI is a Marriage & Family Therapist provider in Los Gatos, CA (NPI 1669548228).
Provider details
- NPI number
- 1669548228
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MFTI
- Sex
- Male
- Sole proprietor
- No
- License
- IMF 45911 (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
- 2006-11-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Shafer's NPI number?
- John Shafer's National Provider Identifier (NPI) is 1669548228, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Shafer's specialty?
- John Shafer is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is John Shafer located?
- John Shafer's practice location on file with NPPES is 499 Loma Alta Ave, Los Gatos, CA 95030-6227.
- What is John Shafer's phone number?
- The practice phone number listed in the NPPES registry for John Shafer is (408) 335-1806.
- Is John Shafer's NPI active?
- Yes — John Shafer's NPI (1669548228) 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.