Omid Kohannim, MD

Medicare activity in 2024

Official CMS public-use data for Omid Kohannim, 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. Ct scan head or brain without contrast (70450)280 services
2. X-ray of chest, 1 view (71045)269 services
3. Ct scan of abdomen and pelvis with contrast (74177)169 services
4. Ct scan of blood vessels of chest with contrast (71275)138 services
5. Ct scan of abdomen and pelvis without contrast (74176)100 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%
• Arthritis63%
• Ischemic heart disease54%
• Heart failure46%
• Chronic kidney disease45%

Hospitals where Omid Kohannim works

Medicare's Facility Affiliation Data lists Omid Kohannim 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.

• HSHS St Elizabeth's HospitalO Fallon, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140187
• St Anthonys Memorial HospitalEffingham, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140032
• St Johns HospitalSpringfield, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140053
• St Josephs HospitalBreese, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140145
• St Marys HospitalDecatur, IL · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 140166

Practice locations

Addresses where Omid Kohannim is enrolled with Medicare (CMS data updated October 2, 2026).

• 5414 Shannon Ridge LnSan Diego, CA 92130 (309) 740‑4272

Group practices

Medicare enrollment lists Omid Kohannim as a member of this group (CMS data updated October 2, 2026).

• Central Illinois Radiological Associates Ltd209 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in California →

Other radiologists in San Diego

Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.

• Michael J. Grant, MD
• Mark S. Schechter, MD
• James Cooper, MD
• Surbhi B. Trivedi, MD
• Joshua I. Rosenbaum, MD
• Paymann Moin, MD
• Cody A. Keller, MD
• Paul M. Murphy, MD

All radiologists in San Diego →

Other clinicians in Central Illinois Radiological Associates Ltd

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

• Philip F. Lobert, MD
• Andre L. Edwards, MD
• Scott Berl, MD
• Emily Jun, MD
• Steven Jones, MD
• Matthew G. Hudkins, 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