Marianna Siordia, MSW, LCSW, PPSC
NPI 1609569730 · Clinical Social Worker · Santa Ana, CA
Marianna Siordia, MSW, LCSW, PPSC is a Clinical Social Worker provider in Santa Ana, CA (NPI 1609569730).
Provider details
- NPI number
- 1609569730
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW, LCSW, PPSC
- Sex
- Female
- Sole proprietor
- No
- License
- 126910 (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
3 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
- 2023-06-02
- Last updated
- 2024-11-07
- Certified
- 2024-11-07
Frequently asked questions
- What is Marianna Siordia's NPI number?
- Marianna Siordia's National Provider Identifier (NPI) is 1609569730, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marianna Siordia's specialty?
- Marianna Siordia is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marianna Siordia located?
- Marianna Siordia's practice location on file with NPPES is 405 W 5th St Ste 658, Santa Ana, CA 92701-4599.
- What is Marianna Siordia's phone number?
- The practice phone number listed in the NPPES registry for Marianna Siordia is (714) 935-6117.
- Is Marianna Siordia's NPI active?
- Yes — Marianna Siordia's NPI (1609569730) is active in the NPPES registry as of the last update on 2024-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.