Isadora Fisher
NPI 1912508045 · Addiction (Substance Use Disorder) Counselor · San Rafael, CA
Isadora Fisher is a Addiction (Substance Use Disorder) Counselor provider in San Rafael, CA (NPI 1912508045).
Provider details
- NPI number
- 1912508045
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Counselor101Y00000X
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
5 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
- 2020-11-04
- Last updated
- 2020-11-04
- Certified
- 2020-11-04
Frequently asked questions
- What is Isadora Fisher's NPI number?
- Isadora Fisher's National Provider Identifier (NPI) is 1912508045, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isadora Fisher's specialty?
- Isadora Fisher is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Isadora Fisher located?
- Isadora Fisher's practice location on file with NPPES is 1477 Lincoln Ave, San Rafael, CA 94901-2028.
- What is Isadora Fisher's phone number?
- The practice phone number listed in the NPPES registry for Isadora Fisher is (415) 459-2395.
- Is Isadora Fisher's NPI active?
- Yes — Isadora Fisher's NPI (1912508045) is active in the NPPES registry as of the last update on 2020-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.