Quick answers
- Does Ibraheem M. Mizyed accept Medicare assignment?
- Yes. Medicare's clinician data says Ibraheem M. Mizyed accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Ibraheem M. Mizyed see?
- In 2024, CMS data shows 701 Original Medicare patients and 1,214 services for Ibraheem M. Mizyed. This counts Original Medicare only and measures volume, not quality.
- What is Ibraheem M. Mizyed's NPI number?
- 1851592570. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Ibraheem M. Mizyed, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 701 |
|---|---|
| Services billed to Medicare | 1,214 |
| Different services or procedures | 44 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)201 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)142 services
- Biopsy of large bowel using a flexible endoscope (45380)116 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)116 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)73 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure74%
- Arthritis48%
- Depression28%
- Diabetes27%
- Anxiety27%
Hospitals where Ibraheem M. Mizyed works
Medicare's Facility Affiliation Data lists Ibraheem M. Mizyed at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Northwest Medical CenterTucson, AZ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 030085
- Northwest Medical Center SahuaritaSahuarita, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030148
- Oro Valley HospitalOro Valley, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030114
- Tucson Medical CenterTucson, AZ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 030006
Practice locations
Addresses where Ibraheem M. Mizyed is enrolled with Medicare (CMS data updated October 2, 2026).
- 1551 E Tangerine RdOro Valley, AZ 85755 (520) 901‑3549
- 1871 W Orange Grove RdTucson, AZ 85704
- 6200 N La Cholla BlvdTucson, AZ 85741 (520) 469‑8100
- 8333 N Silverbell Rd, Suite 161Tucson, AZ 85743 (520) 202‑7770
Group practices
Medicare enrollment lists Ibraheem M. Mizyed as a member of this group (CMS data updated October 2, 2026).
- Northwest Allied Physicians LLC120 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Arizona
Clinicians with the same Medicare primary specialty in Arizona — not a recommendation.
Other clinicians in Northwest Allied Physicians LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851592570 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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