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Gastroenterology

Anas K. Gremida, MD

Works at hospitals in Saint Louis, MO · Creve Coeur, MO · Belleville, IL · Missouri, Illinois

Summary

Anas K. Gremida, MD (Gastroenterology) is listed by Medicare at 5 hospitals in Saint Louis, MO, Creve Coeur, MO and Belleville, IL. NPI 1295098457. 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 Anas K. Gremida, 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
YesOffers telehealth
18Years since medical school (graduated 2008)
MaleGender (as listed)
Washington UniversityGroup practice

Quick answers

Which hospitals does Anas K. Gremida work at?
Medicare's official clinician data lists Anas K. Gremida at 5 hospitals: Barnes Jewish Hospital, Barnes-Jewish West County Hospital, Memorial Hospital, Mercy Hospital St Louis and Missouri Baptist Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Anas K. Gremida see patients?
Medicare's clinician data lists 7 practice locations, including Saint Louis, MO and St Louis, MO. Call before your visit to confirm the address.
What is Anas K. Gremida's specialty?
Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
Does Anas K. Gremida accept Medicare assignment?
Yes. Medicare's clinician data says Anas K. Gremida 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 Anas K. Gremida offer telehealth?
Medicare's clinician data says Anas K. Gremida offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Anas K. Gremida?
(314) 747-3000, as listed in official Medicare / NPI Registry data.
What is Anas K. Gremida's NPI number?
1295098457. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Anas K. Gremida works

Medicare's Facility Affiliation Data lists Anas K. Gremida 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 Anas K. Gremida is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Anas K. Gremida as a member of this group (CMS data updated 2026-10-02).

  • Washington University3,029 clinicians in the group

Specialties

Find other Gastroenterology doctors in Missouri →

Other gastroenterologists in Saint Louis

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

All gastroenterologists in Saint Louis →

Clinician information

CredentialMD
Graduation year2008
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1295098457
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