Quick answers
- Which hospitals does Ramsey K. Umar work at?
- Medicare's official clinician data lists Ramsey K. Umar at 4 hospitals: Banner - University Medical Center Phoenix, Banner Baywood Medical Center, Banner Desert Medical Center and Banner Gateway Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ramsey K. Umar see patients?
- Medicare's clinician data lists 1 practice location in Mesa, AZ. Call before your visit to confirm the address.
- What is Ramsey K. Umar's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
- Does Ramsey K. Umar accept Medicare assignment?
- Medicare's clinician data says Ramsey K. Umar may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is Ramsey K. Umar's NPI number?
- 1134202500. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ramsey K. Umar works
Medicare's Facility Affiliation Data lists Ramsey K. Umar at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Banner - University Medical Center PhoenixPhoenix, AZ · Acute Care Hospital · CCN 030002
- Banner Baywood Medical CenterMesa, AZ · Acute Care Hospital · CCN 030088
- Banner Desert Medical CenterMesa, AZ · Acute Care Hospital · CCN 030065
- Banner Gateway Medical CenterGilbert, AZ · Acute Care Hospital · CCN 030122
Practice locations
Addresses where Ramsey K. Umar is enrolled with Medicare (CMS data updated 2026-10-02).
- 6020 E Arbor Ave, Suite 101Mesa, AZ 85206
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Mesa
Clinicians with the same Medicare primary specialty in Mesa, AZ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of North Carolina At Chapel Hill School Of Medicine |
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1134202500 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians