Joshua D. Corteville, MD

Medicare activity in 2024

Official CMS public-use data for Joshua D. Corteville, 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. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)7,125 services
2. Ct guidance for insertion of radiation therapy fields (77014)696 services
3. Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session (G6015)669 services
4. Continuing radiation therapy consultation per week (77336)161 services
5. Radiation treatment management, 5 treatment sessions (77427)161 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 pressure74%
• High cholesterol73%
• Arthritis59%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)38%
• Anxiety32%
• Diabetes31%

Hospitals where Joshua D. Corteville works

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

• Corewell Health Reed City HospitalReed City, MI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 231323
• Holland HospitalHolland, MI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 230072
• Spectrum HealthGrand Rapids, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230038

Practice locations

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

• 12642 Riley StHolland, MI 49424 (616) 355‑5330
• 145 Michigan St NE, Suite 2200Grand Rapids, MI 49503 (616) 486‑5750

Group practices

Medicare enrollment lists Joshua D. Corteville as a member of this group (CMS data updated October 2, 2026).

• Radiation Oncology Centers PC9 clinicians in the group

Specialties

• Radiation Oncologyprimary

Find other Radiation Oncology doctors in Michigan →

Other radiation oncologists in Holland

Clinicians with the same Medicare primary specialty in Holland, MI — not a recommendation.

• Gina Rebesco, MD
• Matthew W. Packard, MD
• Eric P. Buth, MD
• Michael L. Mahacek, MD
• Patrick L. Fabrizio, MD
• Paul O. Thieme, DO
• Brian D. Kastner, MD

All radiation oncologists in Holland →

Other clinicians in Radiation Oncology Centers PC

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

• Gina Rebesco, MD
• Matthew W. Packard, MD
• Eric P. Buth, MD
• Patrick L. Fabrizio, MD
• Michael L. Mahacek, MD
• Paul O. Thieme, 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