Joshua D. Garren, MD

Medicare activity in 2024

Official CMS public-use data for Joshua D. Garren, 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)1,595 services
2. Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session (G6015)1,577 services
3. Continuing radiation therapy consultation per week (77336)401 services
4. Radiation treatment management, 5 treatment sessions (77427)395 services
5. Injection, dexamethasone sodium phosphate, 1 mg (J1100)360 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)72%
• High cholesterol66%
• Arthritis42%
• Diabetes33%
• Ischemic heart disease28%

Hospitals where Joshua D. Garren works

Medicare's Facility Affiliation Data lists Joshua D. Garren 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.

• Good Shepherd Medical CenterHermiston, OR · Critical Access Hospital · Emergency services: listed by Medicare · CCN 381325
• St Anthony HospitalPendleton, OR · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 381319

Practice locations

Addresses where Joshua D. Garren is enrolled with Medicare (CMS data updated October 2, 2026).

• 12697 E 51st StTulsa, OK 74146 (918) 505‑3200
• 1713 SW 24th StPendleton, OR 97801 (541) 304‑2264

Group practices

Medicare enrollment lists Joshua D. Garren as a member of these groups (CMS data updated October 2, 2026).

• Oklahoma Cancer Specialists and Research Institute, LLC47 clinicians in the group
• Oarm Services of Oregon PC2 clinicians in the group

Specialties

• Radiation Oncologyprimary

Find other Radiation Oncology doctors in Oklahoma →

Other radiation oncologists in Tulsa

Clinicians with the same Medicare primary specialty in Tulsa, OK — not a recommendation.

• Mykhanh C. Nguyen, MD
• William C. Goad, MD
• Van H. Woo, MD
• Cynthia J. Bryant, MD
• Anuj Peddada, MD
• Andrew Hunt, MD
• Grenville H. Jones, MD
• Stephen Z. Sack, MD

All radiation oncologists in Tulsa →

Other clinicians in Oklahoma Cancer Specialists and Research Institute, LLC

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

• Basil Bakir, MD
• Christopher M. Manus, MD
• Mark R. Olsen, MD
• Laurie W. Flynn, MD
• Alfred D. Jenkins, MD
• Daron G. Street, 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