Maria Siewert
NPI 1639321003 · Day Training/Habilitation Specialist · Fresno, CA
Maria Siewert is a Day Training/Habilitation Specialist provider in Fresno, CA (NPI 1639321003).
Provider details
- NPI number
- 1639321003
- Entity type
- Individual
- Primary specialty
- Day Training/Habilitation SpecialistNursing Service Related Providers
- Sex
- Female
- Sole proprietor
- No
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
17 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
4 documented practice locations
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
Additional practice locations (3)
- 784 W Holland AveClovis, CA 93612-4800Phone: (559) 367-6839
- 7521 N Chestnut AveFresno, CA 93720-0331Phone: (559) 367-6839
- 3045 N Blackstone AveFresno, CA 93703-1062Phone: (559) 367-6839
Registry dates
- Enumerated
- 2008-10-16
- Last updated
- 2025-09-10
- Certified
- 2025-09-10
Frequently asked questions
- What is Maria Siewert's NPI number?
- Maria Siewert's National Provider Identifier (NPI) is 1639321003, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Siewert's specialty?
- Maria Siewert is listed in the NPPES registry with a primary specialty of Day Training/Habilitation Specialist (Nursing Service Related Providers).
- Where is Maria Siewert located?
- Maria Siewert's practice location on file with NPPES is 1322 E Shaw Ave Ste 350, Fresno, CA 93710-7904.
- What is Maria Siewert's phone number?
- The practice phone number listed in the NPPES registry for Maria Siewert is (559) 367-6839.
- Is Maria Siewert's NPI active?
- Yes — Maria Siewert's NPI (1639321003) is active in the NPPES registry as of the last update on 2025-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.