Phyllis Day, CAC
NPI 1255453940 · Addiction (Substance Use Disorder) Counselor · Nevada City, CA
Phyllis Day, CAC is a Addiction (Substance Use Disorder) Counselor provider in Nevada City, CA (NPI 1255453940).
Provider details
- NPI number
- 1255453940
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CAC
- Sex
- Female
- Sole proprietor
- Yes
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
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
- 2007-04-04
- Last updated
- 2007-07-08
Frequently asked questions
- What is Phyllis Day's NPI number?
- Phyllis Day's National Provider Identifier (NPI) is 1255453940, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Phyllis Day's specialty?
- Phyllis Day is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Phyllis Day located?
- Phyllis Day's practice location on file with NPPES is 995 Helling Way, Nevada City, CA 95959-8619.
- What is Phyllis Day's phone number?
- The practice phone number listed in the NPPES registry for Phyllis Day is (530) 265-7222.
- Is Phyllis Day's NPI active?
- Yes — Phyllis Day's NPI (1255453940) 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.