Maziar Massrour, MD
NPI 1306986773 · Pain Medicine (Anesthesiology) Physician · Chandler, AZ
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maziar Massrour, MD is a Pain Medicine (Anesthesiology) Physician provider in Chandler, AZ (NPI 1306986773).
Provider details
- NPI number
- 1306986773
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 37141 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,972 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 605 | $122 |
| Injection of Anesthetic Agent And/Or Steroid Into Other Nerve Or Branch64450 | 168 | $59 |
| Fluoroscopic Guidance for Needle Placement77002 | 150 | $111 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 147 | $64 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 104 | $161 |
| Anesthesia for Nerve Block and Injection Procedure, Prone Position01992 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tramadol Hcl | 134 | 19 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 115 | 17 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 114 | 19 |
| Gabapentin | 76 | 27 |
| Pregabalin | 75 | 12 |
| Oxycodone Hcl | 28 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$34 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-07
- Last updated
- 2011-11-30
Frequently asked questions
- What is Maziar Massrour's NPI number?
- Maziar Massrour's National Provider Identifier (NPI) is 1306986773, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maziar Massrour's specialty?
- Maziar Massrour is listed in the NPPES registry with a primary specialty of Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is Maziar Massrour located?
- Maziar Massrour's practice location on file with NPPES is 2705 S Alma School Rd, Chandler, AZ 85286-4400.
- What is Maziar Massrour's phone number?
- The practice phone number listed in the NPPES registry for Maziar Massrour is (480) 820-7246.
- Does Maziar Massrour accept Medicare?
- Maziar Massrour is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maziar Massrour's NPI active?
- Yes — Maziar Massrour's NPI (1306986773) is active in the NPPES registry as of the last update on 2011-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.