Anne Sy
NPI 1558119990 · Adult Psychiatric/Mental Health Registered Nurse · Norwalk, CA
Anne Sy is a Adult Psychiatric/Mental Health Registered Nurse provider in Norwalk, CA (NPI 1558119990).
Provider details
- NPI number
- 1558119990
- Entity type
- Individual
- Primary specialty
- Adult Psychiatric/Mental Health Registered NurseNursing Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 95162164 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
- 2024-05-10
- Last updated
- 2024-05-10
- Certified
- 2024-05-10
Frequently asked questions
- What is Anne Sy's NPI number?
- Anne Sy's National Provider Identifier (NPI) is 1558119990, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anne Sy's specialty?
- Anne Sy is listed in the NPPES registry with a primary specialty of Adult Psychiatric/Mental Health Registered Nurse (Nursing Service Providers).
- Where is Anne Sy located?
- Anne Sy's practice location on file with NPPES is 13100 Studebaker Rd, Norwalk, CA 90650-2531.
- What is Anne Sy's phone number?
- The practice phone number listed in the NPPES registry for Anne Sy is (855) 464-2234.
- Is Anne Sy's NPI active?
- Yes — Anne Sy's NPI (1558119990) is active in the NPPES registry as of the last update on 2024-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.