Quick answers
- Does Osama T. Niazi accept Medicare assignment?
- Yes. Medicare's clinician data says Osama T. Niazi 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 Osama T. Niazi see?
- In 2024, CMS data shows 490 Original Medicare patients and 2,364 services for Osama T. Niazi. This counts Original Medicare only and measures volume, not quality.
- What is Osama T. Niazi's NPI number?
- 1588953285. 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 Osama T. Niazi, 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 | 490 |
|---|---|
| Services billed to Medicare | 2,364 |
| Different services or procedures | 68 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)463 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)396 services
- Evaluation of cardiac rhythm monitor system, remote up to 30 days (93298)194 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)164 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system (93288)117 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 blood pressure75%
- High cholesterol75%
- Atrial fibrillation67%
- Ischemic heart disease52%
- Arthritis48%
- Chronic kidney disease38%
Hospitals where Osama T. Niazi works
Medicare's Facility Affiliation Data lists Osama T. Niazi 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.
- Chandler Regional Medical CenterChandler, AZ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 030036
- Dignity Health Arizona General HospitalMesa, AZ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 030139
- Mercy Gilbert Medical CenterGilbert, AZ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 030119
Practice locations
Addresses where Osama T. Niazi is enrolled with Medicare (CMS data updated October 2, 2026).
- 3420 S Mercy Rd, 200b Dhmg Family Medicine Mercy GilbertGilbert, AZ 85297 (480) 728‑6580
- 3555 S Val Vista DrGilbert, AZ 85297 (480) 728‑8000
- 500 W Thomas Rd, 680 Dhmg St Joseph'S Pelvic Pain and SurgPhoenix, AZ 85013 (602) 406‑6017
Group practices
Medicare enrollment lists Osama T. Niazi as a member of this group (CMS data updated October 2, 2026).
- SJHMC Physician Services646 clinicians in the group
Specialties
Other cardiac electrophysiologists in Gilbert
Clinicians with the same Medicare primary specialty in Gilbert, AZ — not a recommendation.
Other clinicians in SJHMC Physician Services
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | At Still University Of Health Sciences, College Of Osteo Med, Kirksville |
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1588953285 |
| 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