David Hammer, MFT
NPI 1447390083 · Marriage & Family Therapist · Fair Oaks, CA
David Hammer, MFT is a Marriage & Family Therapist provider in Fair Oaks, CA (NPI 1447390083).
Provider details
- NPI number
- 1447390083
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MFT
- Sex
- Male
- Sole proprietor
- Yes
- License
- MFC22942 (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
- 2007-02-06
- Last updated
- 2020-12-01
- Certified
- 2020-11-30
Frequently asked questions
- What is David Hammer's NPI number?
- David Hammer's National Provider Identifier (NPI) is 1447390083, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Hammer's specialty?
- David Hammer is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is David Hammer located?
- David Hammer's practice location on file with NPPES is 7862 Winding Way Unit 1876, Fair Oaks, CA 95628-8475.
- What is David Hammer's phone number?
- The practice phone number listed in the NPPES registry for David Hammer is (916) 966-7300.
- Is David Hammer's NPI active?
- Yes — David Hammer's NPI (1447390083) is active in the NPPES registry as of the last update on 2020-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.