Sarah L. Mcmahon, Lcsw, LLC
NPI 1790227742 · Clinical Social Worker · Lombard, IL
Sarah L. Mcmahon, Lcsw, LLC is a Clinical Social Worker organization in Lombard, IL (NPI 1790227742).
Provider details
- NPI number
- 1790227742
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Sarah Mcmahon, Manager/Clinician(312) 404-2191
- License
- 149014463 (IL)
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
9 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
- 2016-11-08
- Last updated
- 2016-11-08
Frequently asked questions
- What is Sarah L. Mcmahon, Lcsw, LLC's NPI number?
- Sarah L. Mcmahon, Lcsw, LLC's National Provider Identifier (NPI) is 1790227742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sarah L. Mcmahon, Lcsw, LLC?
- Sarah L. Mcmahon, Lcsw, LLC is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Sarah L. Mcmahon, Lcsw, LLC located?
- Sarah L. Mcmahon, Lcsw, LLC's practice location on file with NPPES is 450 E 22nd St, Lombard, IL 60148-6113.
- What is Sarah L. Mcmahon, Lcsw, LLC's phone number?
- The practice phone number listed in the NPPES registry for Sarah L. Mcmahon, Lcsw, LLC is (312) 404-2191.
- Who is the authorized official for Sarah L. Mcmahon, Lcsw, LLC?
- The authorized official listed on Sarah L. Mcmahon, Lcsw, LLC's NPPES record is Sarah Mcmahon, Manager/Clinician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sarah L. Mcmahon, Lcsw, LLC's NPI active?
- Yes — Sarah L. Mcmahon, Lcsw, LLC's NPI (1790227742) is active in the NPPES registry as of the last update on 2016-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.