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Gastroenterology

Howard B. Hamat, MD

Works at hospitals in Houston, TX · Humble, TX · Texas

Summary

Howard B. Hamat, MD (Gastroenterology) is listed by Medicare at 2 hospitals in Houston, TX and Humble, TX. NPI 1376537605. 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 Howard B. Hamat, 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
36Years since medical school (graduated 1990)
MaleGender (as listed)
Houston Regional Gastroenterology Institute PLLCGroup practice (+1 more)

Quick answers

Which hospitals does Howard B. Hamat work at?
Medicare's official clinician data lists Howard B. Hamat at 2 hospitals: HCA Houston Healthcare Northwest and Memorial Hermann Northeast Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Howard B. Hamat see patients?
Medicare's clinician data lists 3 practice locations, including Humble, TX and Houston, TX. Call before your visit to confirm the address.
What is Howard B. Hamat's specialty?
Medicare lists Gastroenterology as the primary specialty.
Does Howard B. Hamat accept Medicare assignment?
Yes. Medicare's clinician data says Howard B. Hamat 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 Howard B. Hamat?
(281) 440-0101, as listed in official Medicare / NPI Registry data.
What is Howard B. Hamat's NPI number?
1376537605. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Howard B. Hamat works

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

Group practices

Medicare enrollment lists Howard B. Hamat as a member of these groups (CMS data updated 2026-10-02).

  • Houston Regional Gastroenterology Institute PLLC40 clinicians in the group
  • Digestive and Liver Disease Consultants, PA4 clinicians in the group

Specialties

Find other Gastroenterology doctors in Texas →

Other gastroenterologists in Humble

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

All gastroenterologists in Humble →

Clinician information

CredentialMD
Graduation year1990
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1376537605
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