Irene Stephan
NPI 1437295847 · Addiction (Substance Use Disorder) Counselor · Hawthorne, CA
Irene Stephan is a Addiction (Substance Use Disorder) Counselor provider in Hawthorne, CA (NPI 1437295847).
Provider details
- NPI number
- 1437295847
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- VN201638 (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
- 2007-01-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Irene Stephan's NPI number?
- Irene Stephan's National Provider Identifier (NPI) is 1437295847, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irene Stephan's specialty?
- Irene Stephan is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Irene Stephan located?
- Irene Stephan's practice location on file with NPPES is 2409 W 117th St, Hawthorne, CA 90250-1998.
- What is Irene Stephan's phone number?
- The practice phone number listed in the NPPES registry for Irene Stephan is (310) 463-2535.
- Is Irene Stephan's NPI active?
- Yes — Irene Stephan's NPI (1437295847) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.