Sonja Mack
NPI 1891649661 · Day Training/Habilitation Specialist · Martinez, CA
Sonja Mack is a Day Training/Habilitation Specialist provider in Martinez, CA (NPI 1891649661).
Provider details
- NPI number
- 1891649661
- Entity type
- Individual
- Primary specialty
- Day Training/Habilitation SpecialistNursing Service Related Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Nursing Service Related 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
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
- 2026-02-26
- Last updated
- 2026-03-03
- Certified
- 2026-03-03
Frequently asked questions
- What is Sonja Mack's NPI number?
- Sonja Mack's National Provider Identifier (NPI) is 1891649661, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sonja Mack's specialty?
- Sonja Mack is listed in the NPPES registry with a primary specialty of Day Training/Habilitation Specialist (Nursing Service Related Providers).
- Where is Sonja Mack located?
- Sonja Mack's practice location on file with NPPES is 1330 Arnold Dr, Martinez, CA 94553-6538.
- What is Sonja Mack's phone number?
- The practice phone number listed in the NPPES registry for Sonja Mack is (925) 655-2507.
- Is Sonja Mack's NPI active?
- Yes — Sonja Mack's NPI (1891649661) is active in the NPPES registry as of the last update on 2026-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.