Carl Fessenden, CADC-II
NPI 1689220477 · Addiction (Substance Use Disorder) Counselor · Fairfield, CA
Carl Fessenden, CADC-II is a Addiction (Substance Use Disorder) Counselor provider in Fairfield, CA (NPI 1689220477).
Provider details
- NPI number
- 1689220477
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CADC-II
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Community Health Worker172V00000X
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2019-08-16
- Last updated
- 2023-06-27
- Certified
- 2023-06-27
Frequently asked questions
- What is Carl Fessenden's NPI number?
- Carl Fessenden's National Provider Identifier (NPI) is 1689220477, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carl Fessenden's specialty?
- Carl Fessenden is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Carl Fessenden located?
- Carl Fessenden's practice location on file with NPPES is 1974 Winchester Pl, Fairfield, CA 94533-3618.
- What is Carl Fessenden's phone number?
- The practice phone number listed in the NPPES registry for Carl Fessenden is (707) 290-1166.
- Is Carl Fessenden's NPI active?
- Yes — Carl Fessenden's NPI (1689220477) is active in the NPPES registry as of the last update on 2023-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.