Quick answers
- Does Parham Ayazi accept Medicare assignment?
- Yes. Medicare's clinician data says Parham Ayazi 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 Parham Ayazi see?
- In 2024, CMS data shows 955 Original Medicare patients and 6,096 services for Parham Ayazi. This counts Original Medicare only and measures volume, not quality.
- What is Parham Ayazi's NPI number?
- 1205151289. 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 Parham Ayazi, 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 | 955 |
|---|---|
| Services billed to Medicare | 6,096 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)2,459 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)2,226 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)622 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)522 services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)165 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%
- Arthritis58%
- Chronic kidney disease52%
- Ischemic heart disease50%
- Diabetes47%
Hospitals where Parham Ayazi works
Medicare's Facility Affiliation Data lists Parham Ayazi 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.
- Banner Baywood Medical CenterMesa, AZ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 030088
- 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
- Honor Health John C. Lincoln Medical CenterPhoenix, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030014
- 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 Parham Ayazi is enrolled with Medicare (CMS data updated October 2, 2026).
- 1955 W Frye RdChandler, AZ 85224 (480) 728‑3000
- 3555 S Val Vista DrGilbert, AZ 85297 (480) 728‑8000
- 475 S Dobson RdChandler, AZ 85224 (888) 488‑7640
Group practices
Medicare enrollment lists Parham Ayazi as a member of this group (CMS data updated October 2, 2026).
- Pioneer Hospitalists, PLLC50 clinicians in the group
Specialties
- Infectious Diseaseprimary
Other infectious disease doctors in Chandler
Clinicians with the same Medicare primary specialty in Chandler, AZ — not a recommendation.
Other clinicians in Pioneer Hospitalists, PLLC
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) | 1205151289 |
| 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