Amir Ata Rahnemai Azar, MD

Medicare activity in 2024

Official CMS public-use data for Amir Ata Rahnemai Azar, 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.

Most frequent services

1. Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)140 services
2. Ultrasonic guidance for blood vessel access (76937)91 services
3. Fluoroscopic guidance for insertion or removal of central vein access device (77001)78 services
4. Ultrasound study of arm and leg arteries (93922)46 services
5. Insertion of non-tunneled central venous tube for infusion (5 years or older) (36556)39 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 disease56%
• Diabetes46%
• Ischemic heart disease44%

Hospitals where Amir Ata Rahnemai Azar works

Medicare's Facility Affiliation Data lists Amir Ata Rahnemai Azar 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.

• Barnes Jewish HospitalSaint Louis, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260032
• Barnes-Jewish West County HospitalCreve Coeur, MO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 260162
• Christian Hospital NortheastSaint Louis, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260180
• Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 260108

Practice locations

Addresses where Amir Ata Rahnemai Azar is enrolled with Medicare (CMS data updated October 2, 2026).

• 510 S Kingshighway BlvdSaint Louis, MO 63110

Group practices

Medicare enrollment lists Amir Ata Rahnemai Azar as a member of this group (CMS data updated October 2, 2026).

• Washington University3,029 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in Missouri →

Other radiologists in Saint Louis

Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.

• Paula M. Leiva, MD
• Derek Nhan, MD
• David Niebruegge, MD
• Benjamin E. Northrup, MD
• Punita Gupta, MD
• Lisa B. Mogil, MD
• Elizabeth F. Sheybani, MD
• Zoltan Cseri Jr., MD

All radiologists in Saint Louis →

Other clinicians in Washington University

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Joel S. Perlmutter, MD
• Charles R. Conway, MD
• Sven K. Ivankovic, MD
• Armin Ghobadi, MD
• Paula M. Leiva, MD
• Kevin T. Baumgartner, MD

Clinician information

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

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians