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Cardiovascular Disease (Cardiology)

Mohammed Attar, MD

Works at hospitals in Nassau Bay, TX · Houston, TX · Sugar Land, TX · Texas

Summary

Mohammed Attar, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 5 hospitals in Nassau Bay, TX, Houston, TX and Sugar Land, TX. NPI 1780722371. 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 Mohammed Attar, 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

Cardiovascular Disease (Cardiology)Primary specialty
YesAccepts Medicare assignment
MaleGender (as listed)

Quick answers

Which hospitals does Mohammed Attar work at?
Medicare's official clinician data lists Mohammed Attar at 5 hospitals: Houston Methodist Clear Lake Hospital, Houston Methodist Hospital, Houston Methodist Sugar Land Hospital, Houston Methodist West Hospital and Houston Methodist Willowbrook Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mohammed Attar see patients?
Medicare's clinician data lists 1 practice location in Houston, TX. Call before your visit to confirm the address.
What is Mohammed Attar's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
Does Mohammed Attar accept Medicare assignment?
Yes. Medicare's clinician data says Mohammed Attar 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 Mohammed Attar?
(713) 790-3193, as listed in official Medicare / NPI Registry data.
What is Mohammed Attar's NPI number?
1780722371. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mohammed Attar works

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

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Texas →

Other cardiologists in Houston

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

All cardiologists in Houston →

Clinician information

CredentialMD
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1780722371
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