Stephanie Siordia
NPI 1730526609 · Addiction (Substance Use Disorder) Counselor · Compton, CA
Stephanie Siordia is a Addiction (Substance Use Disorder) Counselor provider in Compton, CA (NPI 1730526609).
Provider details
- NPI number
- 1730526609
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- RW7258 (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
13 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
- 2013-05-31
- Last updated
- 2013-06-12
Frequently asked questions
- What is Stephanie Siordia's NPI number?
- Stephanie Siordia's National Provider Identifier (NPI) is 1730526609, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Siordia's specialty?
- Stephanie Siordia is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Stephanie Siordia located?
- Stephanie Siordia's practice location on file with NPPES is 369 W Compton Blvd, Compton, CA 90220-3110.
- What is Stephanie Siordia's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Siordia is (310) 603-6555.
- Is Stephanie Siordia's NPI active?
- Yes — Stephanie Siordia's NPI (1730526609) is active in the NPPES registry as of the last update on 2013-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.