Irma Sommerfeld Licensed Clinical Social Worker a Professional Corp
NPI 1821663543 · Clinical Social Worker · Westlake Village, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Irma Sommerfeld Licensed Clinical Social Worker a Professional Corp is a Clinical Social Worker organization in Westlake Village, CA (NPI 1821663543).
Provider details
- NPI number
- 1821663543
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Irma Sommerfeld, Clinical Social Worker(805) 794-0743
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
5 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
- 2021-05-25
- Last updated
- 2025-09-15
- Certified
- 2025-09-15
Frequently asked questions
- What is Irma Sommerfeld Licensed Clinical Social Worker a Professional Corp's NPI number?
- Irma Sommerfeld Licensed Clinical Social Worker a Professional Corp's National Provider Identifier (NPI) is 1821663543, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Irma Sommerfeld Licensed Clinical Social Worker a Professional Corp?
- Irma Sommerfeld Licensed Clinical Social Worker a Professional Corp is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Irma Sommerfeld Licensed Clinical Social Worker a Professional Corp located?
- Irma Sommerfeld Licensed Clinical Social Worker a Professional Corp's practice location on file with NPPES is 650 Hampshire Rd Ste 200, Westlake Village, CA 91361-2540.
- What is Irma Sommerfeld Licensed Clinical Social Worker a Professional Corp's phone number?
- The practice phone number listed in the NPPES registry for Irma Sommerfeld Licensed Clinical Social Worker a Professional Corp is (805) 794-0743.
- Does Irma Sommerfeld Licensed Clinical Social Worker a Professional Corp accept Medicare?
- Irma Sommerfeld Licensed Clinical Social Worker a Professional Corp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Irma Sommerfeld Licensed Clinical Social Worker a Professional Corp?
- The authorized official listed on Irma Sommerfeld Licensed Clinical Social Worker a Professional Corp's NPPES record is Irma Sommerfeld, Clinical Social Worker. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Irma Sommerfeld Licensed Clinical Social Worker a Professional Corp's NPI active?
- Yes — Irma Sommerfeld Licensed Clinical Social Worker a Professional Corp's NPI (1821663543) is active in the NPPES registry as of the last update on 2025-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.