Maria Witherspoon
NPI 1477865608 · Psychiatric/Mental Health Registered Nurse · Norwalk, CA
Maria Witherspoon is a Psychiatric/Mental Health Registered Nurse provider in Norwalk, CA (NPI 1477865608).
Provider details
- NPI number
- 1477865608
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Registered NurseNursing Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 737092 (CA)
Specialties & taxonomies
Nursing Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES 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
- 2010-07-02
- Last updated
- 2025-01-22
- Certified
- 2025-01-22
Frequently asked questions
- What is Maria Witherspoon's NPI number?
- Maria Witherspoon's National Provider Identifier (NPI) is 1477865608, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Witherspoon's specialty?
- Maria Witherspoon is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Registered Nurse (Nursing Service Providers).
- Where is Maria Witherspoon located?
- Maria Witherspoon's practice location on file with NPPES is 12501 Imperial Hwy Ste 500b, Norwalk, CA 90650-3179.
- What is Maria Witherspoon's phone number?
- The practice phone number listed in the NPPES registry for Maria Witherspoon is (562) 864-7821.
- Is Maria Witherspoon's NPI active?
- Yes — Maria Witherspoon's NPI (1477865608) is active in the NPPES registry as of the last update on 2025-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.