Lily Peifer
NPI 1861994741 · Social Worker · Chicago, IL
Lily Peifer is a Social Worker provider in Chicago, IL (NPI 1861994741).
Provider details
- NPI number
- 1861994741
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Clinical Social Worker1041C0700X
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
8 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2018-03-06
- Last updated
- 2018-03-06
Frequently asked questions
- What is Lily Peifer's NPI number?
- Lily Peifer's National Provider Identifier (NPI) is 1861994741, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lily Peifer's specialty?
- Lily Peifer is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Lily Peifer located?
- Lily Peifer's practice location on file with NPPES is 1400 W Greenleaf Ave, Chicago, IL 60626-2805.
- What is Lily Peifer's phone number?
- The practice phone number listed in the NPPES registry for Lily Peifer is (773) 508-6100.
- Is Lily Peifer's NPI active?
- Yes — Lily Peifer's NPI (1861994741) is active in the NPPES registry as of the last update on 2018-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.