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Gastroenterology

M Ammar Kalas

Works at hospitals in Atlanta, GA · El Paso, TX · Georgia, Texas

Summary

M Ammar Kalas is a gastroenterologist at 1365 Clifton Rd NE, Atlanta, GA 30322. Phone: (404) 778-7525. Accepts Medicare assignment. NPI 1306468012. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

From official Medicare data

This page shows what Medicare's official clinician data says about M Ammar Kalas, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does M Ammar Kalas accept Medicare assignment?
Yes. Medicare's clinician data says M Ammar Kalas accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is M Ammar Kalas's NPI number?
1306468012. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where M Ammar Kalas works

Medicare's Facility Affiliation Data lists M Ammar Kalas at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where M Ammar Kalas is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists M Ammar Kalas as a member of this group (CMS data updated October 2, 2026).

  • The Emory Clinic Inc3,568 clinicians in the group

Specialties

Find other Gastroenterology doctors in Georgia →

Other gastroenterologists in Atlanta

Clinicians with the same Medicare primary specialty in Atlanta, GA — not a recommendation.

All gastroenterologists in Atlanta →

Other clinicians in The Emory Clinic Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

Graduation year2018 (8 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1306468012
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians