Sonja Fischer
NPI 1962369116 · Addiction (Substance Use Disorder) Counselor · Anaheim, CA
Sonja Fischer is a Addiction (Substance Use Disorder) Counselor provider in Anaheim, CA (NPI 1962369116).
Provider details
- NPI number
- 1962369116
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 24139 (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
Under 1 yr in 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
- 2026-01-08
- Last updated
- 2026-01-08
- Certified
- 2026-01-08
Frequently asked questions
- What is Sonja Fischer's NPI number?
- Sonja Fischer's National Provider Identifier (NPI) is 1962369116, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sonja Fischer's specialty?
- Sonja Fischer is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Sonja Fischer located?
- Sonja Fischer's practice location on file with NPPES is 1320 W Pearl St, Anaheim, CA 92801-5941.
- What is Sonja Fischer's phone number?
- The practice phone number listed in the NPPES registry for Sonja Fischer is (714) 780-1174.
- Is Sonja Fischer's NPI active?
- Yes — Sonja Fischer's NPI (1962369116) is active in the NPPES registry as of the last update on 2026-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.