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Gastroenterology

Warren G. Butt, MD

Works at hospitals in Newark, DE · Delaware

Summary

Warren G. Butt, MD (Gastroenterology) is listed by Medicare at 1 hospital in Newark, DE. NPI 1427129436. 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 Warren G. Butt, 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
42Years since medical school (graduated 1984)
Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv UniversityMedical school
MaleGender (as listed)
Christiana Care Health Services IncGroup practice (+1 more)

Quick answers

Which hospitals does Warren G. Butt work at?
Medicare's official clinician data lists Warren G. Butt at 1 hospital: Christiana Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Warren G. Butt see patients?
Medicare's clinician data lists 6 practice locations, including Wilmington, DE and Newark, DE. Call before your visit to confirm the address.
What is Warren G. Butt's specialty?
Medicare lists Gastroenterology as the primary specialty.
Does Warren G. Butt accept Medicare assignment?
Yes. Medicare's clinician data says Warren G. Butt 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 Warren G. Butt?
(302) 738-5300, as listed in official Medicare / NPI Registry data.
What is Warren G. Butt's NPI number?
1427129436. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Warren G. Butt works

Medicare's Facility Affiliation Data lists Warren G. Butt 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 Warren G. Butt is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Warren G. Butt as a member of these groups (CMS data updated 2026-10-02).

  • Christiana Care Health Services Inc1,483 clinicians in the group
  • Delaware Center for Digestive Care LLC66 clinicians in the group

Specialties

Find other Gastroenterology doctors in Delaware →

Other gastroenterologists in Wilmington

Clinicians with the same Medicare primary specialty in Wilmington, DE — not a recommendation.

All gastroenterologists in Wilmington →

Clinician information

CredentialMD
Medical schoolClvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University
Graduation year1984
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1427129436
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