Marc J. Sunday, DO

Medicare activity in 2024

Official CMS public-use data for Marc J. Sunday, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)224 services
2. Hospital discharge day management, more than 30 minutes (99239)87 services
3. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)56 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)35 services
5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)12 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 cholesterol74%
• Heart failure48%
• Diabetes47%
• Arthritis47%
• Ischemic heart disease43%

Hospitals where Marc J. Sunday works

Medicare's Facility Affiliation Data lists Marc J. Sunday 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.

• Salem HospitalSalem, OR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 380051

Practice locations

Addresses where Marc J. Sunday is enrolled with Medicare (CMS data updated October 2, 2026).

• 5050 Skyline Village Loop SSalem, OR 97306 (503) 391‑1110

Group practices

Medicare enrollment lists Marc J. Sunday as a member of this group (CMS data updated October 2, 2026).

• Salem Health454 clinicians in the group

Specialties

• Hospitalistprimary
• Internal Medicinealso

Find other Hospitalist doctors in Oregon →

Other hospitalists in Salem

Clinicians with the same Medicare primary specialty in Salem, OR — not a recommendation.

• Nasratullah Obaidi, MD
• Kristopher Van Huss, MD
• John M. Moley, MD
• Jaswinder Kaur, MD
• Arvin Junn P. Mallari, MD
• Sarah N. Webber, MD
• Syed M. Zaidi, MD
• Qutaibah Sabha, MD

All hospitalists in Salem →

Other clinicians in Salem Health

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

• Jiyoun Kim, MD
• Zachary A. Bowman, PA
• Mark A. Jones, MD
• Jordon G. Derowitsch, PA
• Yuko Iwanaga, DO
• Anthony Q. Ngo, NP

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