William Haden, MFC35275
NPI 1730332784 · Marriage & Family Therapist · Fairfield, CA
William Haden, MFC35275 is a Marriage & Family Therapist provider in Fairfield, CA (NPI 1730332784).
Provider details
- NPI number
- 1730332784
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MFC35275
- Sex
- Male
- Sole proprietor
- Yes
- License
- MFC 35275 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
17 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
- 2008-11-03
- Last updated
- 2012-08-08
Frequently asked questions
- What is William Haden's NPI number?
- William Haden's National Provider Identifier (NPI) is 1730332784, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Haden's specialty?
- William Haden is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is William Haden located?
- William Haden's practice location on file with NPPES is 621 Great Jones St, Fairfield, CA 94533-6005.
- What is William Haden's phone number?
- The practice phone number listed in the NPPES registry for William Haden is (707) 290-8557.
- Is William Haden's NPI active?
- Yes — William Haden's NPI (1730332784) is active in the NPPES registry as of the last update on 2012-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.