Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Omar Saab, MD

Works at hospitals in Tucson, AZ · Arizona

Summary

Omar Saab, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Tucson, AZ. NPI 1861012668. 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 Omar Saab, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
12Years since medical school (graduated 2014)
MaleGender (as listed)
Tucson Physician Group Holdings LLCGroup practice

Quick answers

Which hospitals does Omar Saab work at?
Medicare's official clinician data lists Omar Saab at 2 hospitals: Banner - University Medical Center Tucson Campus and St Joseph's Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Omar Saab see patients?
Medicare's clinician data lists 2 practice locations, including Tucson, AZ. Call before your visit to confirm the address.
What is Omar Saab's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
Does Omar Saab accept Medicare assignment?
Yes. Medicare's clinician data says Omar Saab 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 Omar Saab?
(520) 872-3000, as listed in official Medicare / NPI Registry data.
What is Omar Saab's NPI number?
1861012668. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Omar Saab works

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

Group practices

Medicare enrollment lists Omar Saab as a member of this group (CMS data updated 2026-10-02).

  • Tucson Physician Group Holdings LLC201 clinicians in the group

Specialties

Find other Internal Medicine doctors in Arizona →

Other internal medicine doctors in Tucson

Clinicians with the same Medicare primary specialty in Tucson, AZ — not a recommendation.

All internal medicine doctors in Tucson →

Clinician information

CredentialMD
Graduation year2014
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1861012668
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