Mehmet Kocak, MD

Medicare activity in 2024

Official CMS public-use data for Mehmet Kocak, 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)439 services
2. Mri scan of brain before and after contrast (70553)186 services
3. Mri scan of brain without contrast (70551)135 services
4. X-ray of lower and sacral spine, minimum of 4 views (72110)118 services
5. Ct scan of soft tissue of neck with contrast (70491)89 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%
• Arthritis72%
• Ischemic heart disease43%
• Diabetes41%
• Chronic kidney disease34%

Hospitals where Mehmet Kocak works

Medicare's Facility Affiliation Data lists Mehmet Kocak 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.

• Rush Oak Park HospitalOak Park, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140063
• Rush University Medical CenterChicago, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140119

Practice locations

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

• 1611 W Harrison St, Suite 001Chicago, IL 60612
• 1653 W Congress PkwyChicago, IL 60612 (312) 563‑4270
• 1700 W Van Buren St, Suite 301Chicago, IL 60612

Group practices

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

• Rush University Medical Group1,551 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in Illinois →

Other radiologists in Chicago

Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.

• Paula M. Grabler, MD
• Ramya S. Gaddikeri, MD
• Hunter C. Hall, MD
• Michael E. Bresler, MD
• Tse F. Anyu, DO
• Lance J. Luka, MD
• Sanjay Soni, MD
• Bradley D. Allen, MD

All radiologists in Chicago →

Other clinicians in Rush University Medical Group

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

• Lauren M. Granger, PA
• Shilpa Pedapati, MD
• Herbert Sims, MD
• Hiba Mohiuddin, MD
• Paula M. Grabler, MD
• Alison H. Vasa, 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