Elizabeth Day, MSN, APRN, CCNS
NPI 1881458099 · Critical Care Medicine Clinical Nurse Specialist · Chicago, IL
Elizabeth Day, MSN, APRN, CCNS is a Critical Care Medicine Clinical Nurse Specialist provider in Chicago, IL (NPI 1881458099).
Provider details
- NPI number
- 1881458099
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine Clinical Nurse SpecialistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, APRN, CCNS
- Sex
- Female
- Sole proprietor
- No
- License
- 209005435 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
2 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$67 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-02-08
- Last updated
- 2024-02-08
- Certified
- 2024-02-08
Frequently asked questions
- What is Elizabeth Day's NPI number?
- Elizabeth Day's National Provider Identifier (NPI) is 1881458099, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Day's specialty?
- Elizabeth Day is listed in the NPPES registry with a primary specialty of Critical Care Medicine Clinical Nurse Specialist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Elizabeth Day located?
- Elizabeth Day's practice location on file with NPPES is 1620 W Harrison St, Chicago, IL 60612-3801.
- What is Elizabeth Day's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Day is (312) 942-5000.
- Is Elizabeth Day's NPI active?
- Yes — Elizabeth Day's NPI (1881458099) is active in the NPPES registry as of the last update on 2024-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.