Quick answers
- Does Maziar Massrour accept Medicare assignment?
- Yes. Medicare's clinician data says Maziar Massrour 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 Maziar Massrour see?
- In 2024, CMS data shows 303 Original Medicare patients and 7,138 services for Maziar Massrour. This counts Original Medicare only and measures volume, not quality.
- What is Maziar Massrour's NPI number?
- 1306986773. 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 Maziar Massrour, 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 | 303 |
|---|---|
| Services billed to Medicare | 7,138 |
| Different services or procedures | 44 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Hyaluronan or derivitive, genvisc 850, for intra-articular injection, 1 mg (J7320)2,675 services
- Injection, dexamethasone sodium phosphate, 1 mg (J1100)1,420 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)605 services
- Injection, midazolam hydrochloride, per 1 mg (J2250)419 services
- Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg (J0702)417 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%
- Arthritis75%
- Anxiety57%
- Ischemic heart disease32%
- Chronic kidney disease28%
Practice locations
Addresses where Maziar Massrour is enrolled with Medicare (CMS data updated October 2, 2026).
- 2705 S Alma School Rd, Suite 1Chandler, AZ 85286 (480) 820‑7246
Group practices
Medicare enrollment lists Maziar Massrour as a member of this group (CMS data updated October 2, 2026).
- Apex Pain Specialists PC2 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Chandler
Clinicians with the same Medicare primary specialty in Chandler, AZ — not a recommendation.
Other clinicians in Apex Pain Specialists PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Arizona College Of Medicine |
| Graduation year | 2002 (24 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) | 1306986773 |
| 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
- 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