Erin Duffy, LCSW
NPI 1083263834 · Clinical Social Worker · Naperville, IL
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erin Duffy, LCSW is a Clinical Social Worker provider in Naperville, IL (NPI 1083263834).
Provider details
- NPI number
- 1083263834
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 149.021209 (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
6 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
- 2019-09-04
- Last updated
- 2019-09-04
Frequently asked questions
- What is Erin Duffy's NPI number?
- Erin Duffy's National Provider Identifier (NPI) is 1083263834, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erin Duffy's specialty?
- Erin Duffy is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Erin Duffy located?
- Erin Duffy's practice location on file with NPPES is 1560 Wall St Ste 304, Naperville, IL 60563-1262.
- What is Erin Duffy's phone number?
- The practice phone number listed in the NPPES registry for Erin Duffy is (630) 416-8289.
- Does Erin Duffy accept Medicare?
- Erin Duffy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erin Duffy's NPI active?
- Yes — Erin Duffy's NPI (1083263834) is active in the NPPES registry as of the last update on 2019-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.