Brendan Riordan, LCSW
NPI 1831258037 · Clinical Social Worker · Berwyn, IL
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brendan Riordan, LCSW is a Clinical Social Worker provider in Berwyn, IL (NPI 1831258037).
Provider details
- NPI number
- 1831258037
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 149013471 (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
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
- 2006-12-06
- Last updated
- 2024-08-06
- Certified
- 2024-08-06
Frequently asked questions
- What is Brendan Riordan's NPI number?
- Brendan Riordan's National Provider Identifier (NPI) is 1831258037, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brendan Riordan's specialty?
- Brendan Riordan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Brendan Riordan located?
- Brendan Riordan's practice location on file with NPPES is 6918 Windsor Ave, Berwyn, IL 60402.
- What is Brendan Riordan's phone number?
- The practice phone number listed in the NPPES registry for Brendan Riordan is (708) 995-3619.
- Does Brendan Riordan accept Medicare?
- Brendan Riordan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brendan Riordan's NPI active?
- Yes — Brendan Riordan's NPI (1831258037) is active in the NPPES registry as of the last update on 2024-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.