Halil O. Ikizler, MD

Medicare activity in 2024

Official CMS public-use data for Halil O. Ikizler, 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 guidance for insertion of radiation therapy fields (77014)772 services
2. Radiation treatment management, 5 treatment sessions (77427)191 services
3. Calculation of radiation therapy dose (77300)142 services
4. Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (G2212)129 services
5. Design and construction of complex radiation treatment device (77334)99 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%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
• High cholesterol66%
• Arthritis47%
• Ischemic heart disease26%
• Diabetes23%

Hospitals where Halil O. Ikizler works

Medicare's Facility Affiliation Data lists Halil O. Ikizler 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.

• Asante Ashland Community HospitalAshland, OR · Acute Care Hospital · Emergency services: listed by Medicare · CCN 380005
• Asante Rogue Regional Medical CenterMedford, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380018
• Asante Three Rivers Medical CenterGrants Pass, OR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 380002
• Fairchild Medical CenterYreka, CA · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 051316
• Sky Lakes Medical CenterKlamath Falls, OR · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 380050

Practice locations

Addresses where Halil O. Ikizler is enrolled with Medicare (CMS data updated October 2, 2026).

• 2825 E Barnett RdMedford, OR 97504 (541) 789‑4263
• 500 SW Ramsey AveGrants Pass, OR 97527 (541) 472‑7040

Group practices

Medicare enrollment lists Halil O. Ikizler as a member of these groups (CMS data updated October 2, 2026).

• Asante149 clinicians in the group
• Asante Three Rivers Medical Center LLC99 clinicians in the group
• Radiation Oncology Group Consultants P C4 clinicians in the group

Specialties

• Radiation Oncologyprimary

Find other Radiation Oncology doctors in Oregon →

Other radiation oncologists in Oregon

Clinicians with the same Medicare primary specialty in Oregon — not a recommendation.

• Michael N. Shevach, MD
• Theodore J. Robnett, MD
• John M. Holland, MD
• Carl Post, MD
• Michael Carrasquilla, MD
• Christopher J. Gay, MD
• Kristina H. Young
• Patrice McGowan, MD

All radiation oncologists in Oregon →

Other clinicians in Asante

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

• Nimish Thaker, MD
• John B. Luck, MD
• Eric A. Pena, MD
• Hidong Kim, MD
• Tariq J. Khreis, MD
• James R. Giesen, 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. 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