Sheila Kathryn Tan, RN
NPI 1821239047 · Psychiatric/Mental Health Registered Nurse · Santa Ana, CA
Sheila Kathryn Tan, RN is a Psychiatric/Mental Health Registered Nurse provider in Santa Ana, CA (NPI 1821239047).
Provider details
- NPI number
- 1821239047
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- 546739 (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
17 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
- 2009-03-18
- Last updated
- 2009-03-18
Frequently asked questions
- What is Sheila Kathryn Tan's NPI number?
- Sheila Kathryn Tan's National Provider Identifier (NPI) is 1821239047, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sheila Kathryn Tan's specialty?
- Sheila Kathryn Tan is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Registered Nurse (Nursing Service Providers).
- Where is Sheila Kathryn Tan located?
- Sheila Kathryn Tan's practice location on file with NPPES is 1200 N Main St, Santa Ana, CA 92807.
- What is Sheila Kathryn Tan's phone number?
- The practice phone number listed in the NPPES registry for Sheila Kathryn Tan is (714) 480-4635.
- Is Sheila Kathryn Tan's NPI active?
- Yes — Sheila Kathryn Tan's NPI (1821239047) is active in the NPPES registry as of the last update on 2009-03-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.