Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Eileen M. Steiniger, NP

Sees patients in O Fallon, MO · Saint Louis, MO · Missouri

Summary

Eileen M. Steiniger, NP (Nurse Practitioner) is enrolled with Medicare at 3 practice locations in O Fallon, MO and Saint Louis, MO. NPI 1881965515. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Eileen M. Steiniger, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
15Years since medical school (graduated 2011)
FemaleGender (as listed)
Washington UniversityGroup practice (+1 more)

Quick answers

Where does Eileen M. Steiniger see patients?
Medicare's clinician data lists 3 practice locations, including O Fallon, MO and Saint Louis, MO. Call before your visit to confirm the address.
What is Eileen M. Steiniger's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Eileen M. Steiniger accept Medicare assignment?
Yes. Medicare's clinician data says Eileen M. Steiniger accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Eileen M. Steiniger offer telehealth?
Medicare's clinician data says Eileen M. Steiniger offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Eileen M. Steiniger?
(636) 240-5454, as listed in official Medicare / NPI Registry data.
What is Eileen M. Steiniger's NPI number?
1881965515. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Eileen M. Steiniger is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Eileen M. Steiniger as a member of these groups (CMS data updated 2026-10-02).

  • Washington University3,029 clinicians in the group
  • Physician Groups LC521 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Missouri →

Other nurse practitioners in O Fallon

Clinicians with the same Medicare primary specialty in O Fallon, MO — not a recommendation.

All nurse practitioners in O Fallon →

Clinician information

CredentialNP
Graduation year2011
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1881965515
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians