Christina Sieren, B.A., M.S.W., LCSW
NPI 1609992700 · Clinical Social Worker · Valencia, CA
Christina Sieren, B.A., M.S.W., LCSW is a Clinical Social Worker provider in Valencia, CA (NPI 1609992700).
Provider details
- NPI number
- 1609992700
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- B.A., M.S.W., LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- LCS26447 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2007-03-21
- Last updated
- 2016-11-30
Frequently asked questions
- What is Christina Sieren's NPI number?
- Christina Sieren's National Provider Identifier (NPI) is 1609992700, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christina Sieren's specialty?
- Christina Sieren is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Christina Sieren located?
- Christina Sieren's practice location on file with NPPES is 27951 Smyth Dr, Valencia, CA 91355-4049.
- What is Christina Sieren's phone number?
- The practice phone number listed in the NPPES registry for Christina Sieren is (661) 714-0696.
- Is Christina Sieren's NPI active?
- Yes — Christina Sieren's NPI (1609992700) is active in the NPPES registry as of the last update on 2016-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.