IndividualActive
Warren Davis
NPI 1679416101 · Registered Nurse · Chicago, IL
Warren Davis is a Registered Nurse provider in Chicago, IL (NPI 1679416101).
Provider details
- NPI number
- 1679416101
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 041400738 (IL)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(53/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
500 S Clinton St Apt 730
Chicago, IL 60607-4329
Phone: (815) 557-1168
Street-level locationGet directions
Mailing address
211 E Ontario St Fl 12
Chicago, IL 60611-3468
Registry dates
- Enumerated
- 2026-04-10
- Last updated
- 2026-04-10
- Certified
- 2026-04-10
Frequently asked questions
- What is Warren Davis's NPI number?
- Warren Davis's National Provider Identifier (NPI) is 1679416101, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Warren Davis's specialty?
- Warren Davis is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Warren Davis located?
- Warren Davis's practice location on file with NPPES is 500 S Clinton St Apt 730, Chicago, IL 60607-4329.
- What is Warren Davis's phone number?
- The practice phone number listed in the NPPES registry for Warren Davis is (815) 557-1168.
- Is Warren Davis's NPI active?
- Yes — Warren Davis's NPI (1679416101) is active in the NPPES registry as of the last update on 2026-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.