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Gastroenterology

Hashem B. El-Serag, MD

Works at hospitals in Houston, TX · Texas

Summary

Hashem B. El-Serag, MD (Gastroenterology) is listed by Medicare at 1 hospital in Houston, TX. NPI 1821104597. 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 Hashem B. El-Serag, 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
35Years since medical school (graduated 1991)
MaleGender (as listed)
Baylor College of MedicineGroup practice

Quick answers

Which hospitals does Hashem B. El-Serag work at?
Medicare's official clinician data lists Hashem B. El-Serag at 1 hospital: Baylor St. Luke's Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Hashem B. El-Serag see patients?
Medicare's clinician data lists 2 practice locations, including Houston, TX. Call before your visit to confirm the address.
What is Hashem B. El-Serag's specialty?
Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
Does Hashem B. El-Serag accept Medicare assignment?
Yes. Medicare's clinician data says Hashem B. El-Serag 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 Hashem B. El-Serag's NPI number?
1821104597. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Hashem B. El-Serag works

Medicare's Facility Affiliation Data lists Hashem B. El-Serag 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 Hashem B. El-Serag is enrolled with Medicare (CMS data updated 2026-10-02).

  • 1919 Old Spanish TrlHouston, TX 77054
  • 7200 Cambridge StHouston, TX 77030

Group practices

Medicare enrollment lists Hashem B. El-Serag as a member of this group (CMS data updated 2026-10-02).

  • Baylor College of Medicine1,240 clinicians in the group

Specialties

Find other Gastroenterology doctors in Texas →

Other gastroenterologists in Houston

Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.

All gastroenterologists in Houston →

Clinician information

CredentialMD
Graduation year1991
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821104597
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