Jeremiah P. Oregan, MD

Medicare activity in 2024

Official CMS public-use data for Jeremiah P. Oregan, 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. X-ray of chest, 1 view (71045)995 services
2. X-ray of chest, 2 views (71046)504 services
3. Ct scan of chest with contrast (71260)327 services
4. Ct scan of chest without contrast (71250)222 services
5. Ct scan of abdomen and pelvis with contrast (74177)207 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 pressure72%
• High cholesterol66%
• Arthritis39%
• Ischemic heart disease33%
• Chronic kidney disease31%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)29%

Hospitals where Jeremiah P. Oregan works

Medicare's Facility Affiliation Data lists Jeremiah P. Oregan 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.

• Harborview Medical CenterSeattle, WA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 500064
• Providence Centralia HospitalCentralia, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500019
• University of Washington Medical CenterSeattle, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 500008
• Valley Medical CenterRenton, WA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 500088

Practice locations

Addresses where Jeremiah P. Oregan is enrolled with Medicare (CMS data updated October 2, 2026).

• 1959 NE Pacific StSeattle, WA 98195 (206) 598‑4333

Group practices

Medicare enrollment lists Jeremiah P. Oregan as a member of this group (CMS data updated October 2, 2026).

• The Association of University Physicians3,535 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in Washington →

Other radiologists in Seattle

Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.

• Joel A. Gross, MD
• Marissa B. Lawson, MD
• Allison A. Tillack, MD
• Mariann Drucker, MD
• Janie M. Lee, MD
• Seth B. Gillham, MD
• Peter C. Thurlow, MD
• Jamie S. Hui, MD

All radiologists in Seattle →

Other clinicians in The Association of University Physicians

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

• Alexander M. Tseng, MD
• Chloe Bryson-Cahn, MD
• Elisabeth B. Powelson, MD
• Jesse L. Roberts, MD
• Madelyn D. Pimentel, NP
• Thomas L. Keller, 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