Dorian Day, RAD-T
NPI 1477316479 · Addiction (Substance Use Disorder) Counselor · Fairfield, CA
Dorian Day, RAD-T is a Addiction (Substance Use Disorder) Counselor provider in Fairfield, CA (NPI 1477316479).
Provider details
- NPI number
- 1477316479
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- RAD-T
- Sex
- Male
- Sole proprietor
- No
- License
- R1531401023 (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
2 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
- 2024-02-01
- Last updated
- 2024-02-01
- Certified
- 2024-02-01
Frequently asked questions
- What is Dorian Day's NPI number?
- Dorian Day's National Provider Identifier (NPI) is 1477316479, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dorian Day's specialty?
- Dorian Day is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Dorian Day located?
- Dorian Day's practice location on file with NPPES is 1525 Union Ave, Fairfield, CA 94533-5049.
- What is Dorian Day's phone number?
- The practice phone number listed in the NPPES registry for Dorian Day is (707) 399-9190.
- Is Dorian Day's NPI active?
- Yes — Dorian Day's NPI (1477316479) is active in the NPPES registry as of the last update on 2024-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.