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

Urology

Emma Libby, MD

Works at hospitals in Crystal City, MO · Saint Louis, MO · Missouri

Summary

Emma Libby, MD (Urology) is listed by Medicare at 3 hospitals in Crystal City, MO and Saint Louis, MO. NPI 1194386375. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Emma Libby, 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

UrologyPrimary specialty
YesAccepts Medicare assignment
7Years since medical school (graduated 2019)
University Of Missouri, Columbia School Of MedicineMedical school
FemaleGender (as listed)
Mercy Clinic Urology LLCGroup practice

Quick answers

Which hospitals does Emma Libby work at?
Medicare's official clinician data lists Emma Libby at 3 hospitals: Mercy Hospital Jefferson, Mercy Hospital South and Mercy Hospital St Louis. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Emma Libby see patients?
Medicare's clinician data lists 1 practice location in Saint Louis, MO. Call before your visit to confirm the address.
What is Emma Libby's specialty?
Medicare lists Urology as the primary specialty.
Does Emma Libby accept Medicare assignment?
Yes. Medicare's clinician data says Emma Libby 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.
What is the phone number for Emma Libby?
(314) 251-8850, as listed in official Medicare / NPI Registry data.
What is Emma Libby's NPI number?
1194386375. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Emma Libby works

Medicare's Facility Affiliation Data lists Emma Libby at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Emma Libby is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Emma Libby as a member of this group (CMS data updated 2026-10-02).

  • Mercy Clinic Urology LLC26 clinicians in the group

Specialties

Find other Urology doctors in Missouri →

Other urologists in Saint Louis

Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.

All urologists in Saint Louis →

Clinician information

CredentialMD
Medical schoolUniversity Of Missouri, Columbia School Of Medicine
Graduation year2019
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1194386375
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians