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Gastroenterology

David Ulrich, MD

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

Summary

David Ulrich, MD (Gastroenterology) is listed by Medicare at 4 hospitals in Crystal City, MO, Saint Louis, MO and Kansas City, MO. NPI 1811124886. 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 David Ulrich, 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

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
23Years since medical school (graduated 2003)
Indiana University School Of MedicineMedical school
MaleGender (as listed)
Mercy Hospitals East CommunitiesGroup practice (+2 more)

Quick answers

Which hospitals does David Ulrich work at?
Medicare's official clinician data lists David Ulrich at 4 hospitals: Mercy Hospital Jefferson, Mercy Hospital South, Mercy Hospital St Louis and Research Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does David Ulrich see patients?
Medicare's clinician data lists 4 practice locations, including Lake St Louis, MO, Kansas City, MO and Saint Louis, MO. Call before your visit to confirm the address.
What is David Ulrich's specialty?
Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
Does David Ulrich accept Medicare assignment?
Yes. Medicare's clinician data says David Ulrich 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 David Ulrich?
(636) 561-9020, as listed in official Medicare / NPI Registry data.
What is David Ulrich's NPI number?
1811124886. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where David Ulrich works

Medicare's Facility Affiliation Data lists David Ulrich 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 David Ulrich is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists David Ulrich as a member of these groups (CMS data updated 2026-10-02).

  • Mercy Hospitals East Communities98 clinicians in the group
  • Mercy Clinic Gastroenterology LLC67 clinicians in the group
  • Kansas City Gastroenterology and Hepatology Physicians Group LLC17 clinicians in the group

Specialties

Find other Gastroenterology doctors in Missouri →

Other gastroenterologists in Lake St Louis

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

All gastroenterologists in Lake St Louis →

Clinician information

CredentialMD
Medical schoolIndiana University School Of Medicine
Graduation year2003
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811124886
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