Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

AARON PAUL DAY RN
NPI 1033017124
Surgery - Surgical Critical Care in Saint Louis, MO

Active since October 28, 2026
660 S EUCLID AVE, SAINT LOUIS, MO 63110(314) 362-5298 Get Directions Write a Review

NPPES record added: October 28, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Aaron Paul Day Rn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

AARON PAUL DAY RN (NPI 1033017124) is an individual surgical critical care provider in Saint Louis, Missouri, licensed in Missouri (2021016015) and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1033017124
Entity TypeIndividualMale
Primary Taxonomy2086S0102X
Provider Legal NameAARON PAUL DAYCredential: RN
Location Address660 S EUCLID AVESaint Louis, MO 63110-1010
Mailing Address3203 Stonebridge DrBelleville, IL 62221-3465 · (573) 578-5839
Sole ProprietorNo
Enumeration DateOctober 28, 2026
NPPES CertifiedOctober 28, 2026
✔ NPI 1033017124 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Surgical Critical CareAllopathic & Osteopathic Physicians
Taxonomy Code2086S0102X
License✔ Licensed in MO · 2021016015
Definition
A surgeon with expertise in the management of the critically ill and postoperative patient, particularly the trauma victim, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
660 S EUCLID AVE, Saint Louis, MO 63110

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Clinic/Center (Multi-Specialty)
660 S EUCLID AVE, CAMPUS BOX 8081
SAINT LOUIS, MO 63110
Student in an Organized Health Care Education/Training Program
660 S EUCLID AVE
SAINT LOUIS, MO 63110
Student in an Organized Health Care Education/Training Program
660 S EUCLID AVE
SAINT LOUIS, MO 63110
Clinic/Center (Multi-Specialty)
660 S EUCLID AVE
SAINT LOUIS, MO 63110
Pediatrics
660 S EUCLID AVE
SAINT LOUIS, MO 63110
Plastic Surgery
660 S EUCLID AVE
SAINT LOUIS, MO 63110
Nurse Practitioner
660 S EUCLID AVE
SAINT LOUIS, MO 63110
Internal Medicine (Pulmonary Disease)
660 S EUCLID AVE
SAINT LOUIS, MO 63110

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Aaron Day's NPI number?

The NPI number for Aaron Day is 1033017124. It was assigned to this individual provider in the NPPES registry on October 28, 2026.

Where is Aaron Day located?

Aaron Day practices at 660 S Euclid Ave, Saint Louis, MO 63110. The listed phone number is (314) 362-5298.

What is Aaron Day's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Critical Care, with taxonomy code 2086S0102X.

When was this NPI record last updated?

The NPPES record for Aaron Day was last updated on October 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.