Geoffrey J. Sakellis, MD

Medicare activity in 2024

Official CMS public-use data for Geoffrey J. Sakellis, 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. Injection, gadoterate meglumine, 0.1 ml (A9575)4,760 services
2. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)4,075 services
3. Piflufolastat f-18, diagnostic, 1 millicurie (A9595)567 services
4. Nuclear medicine study from skull base to mid-thigh with ct scan (78815)282 services
5. Nuclear medicine study of liver and bile duct system with use of drugs (78227)145 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%
• Arthritis57%
• Diabetes28%
• Chronic kidney disease28%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)28%

Practice locations

Addresses where Geoffrey J. Sakellis is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 25; the Medicare profile lists all.

• 10825 W McDowell Rd, 110 Simonmed Imaging Avondale AkosAvondale, AZ 85392 (623) 251‑6030
• 1111 S Dobson Rd, 105 Simonmed Imaging Mesa DesertMesa, AZ 85202 (480) 964‑4995
• 13624 W Camino Del Sol, 300 Simonmed Imaging Sun City WestSun City West, AZ 85375 (623) 214‑6609
• 13657 W McDowell Rd, 111 Simonmed Imaging Palm Valley IIGoodyear, AZ 85395 (623) 302‑7930
• 1425 S Greenfield Rd Bldg 2Mesa, AZ 85206

Group practices

Medicare enrollment lists Geoffrey J. Sakellis as a member of these groups (CMS data updated October 2, 2026).

• Smi Imaging LLC384 clinicians in the group
• Simonmed Imaging Florida LLC317 clinicians in the group
• Health Diagnostics of California a Professional Corporation183 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in Arizona →

Other radiologists in Avondale

Clinicians with the same Medicare primary specialty in Avondale, AZ — not a recommendation.

• Anjaly B. Curley, MD
• Dwa'A Alkhalaf, DO
• Marvin E. Hill, MD
• Nikhil Mehta, MD
• James J. Thompson, DO
• David J. Weitz, MD
• Daniel Keesler, MD
• Lindsay Taylor, MD

All radiologists in Avondale →

Other clinicians in Smi Imaging LLC

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

• Matthew K. Dang, MD
• Bernard T. Gero, MD
• Michael G. Sills, MD
• Saadet Atay-Rosenthal, MD
• Courtney Masse, MD
• Maurice A. Davidson, DO

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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
4. Medicare Care Compare — official Medicare tool to look up clinicians