Rachel J. Cook, MD

Medicare activity in 2024

Official CMS public-use data for Rachel J. Cook, 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 50 minutes (99233)168 services
2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)141 services
3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)102 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 pressure68%
• High cholesterol58%
• Anxiety39%
• Arthritis28%
• Atrial fibrillation25%
• Ischemic heart disease24%

Hospitals where Rachel J. Cook works

Medicare's Facility Affiliation Data lists Rachel J. Cook 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.

• OHSU Hospital and ClinicsPortland, OR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 380009

Practice locations

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

• 15700 SW Greystone CtBeaverton, OR 97006
• 3181 SW Sam Jackson Park RdPortland, OR 97239 (503) 494‑8311
• 3303 S Bond AvePortland, OR 97239 (503) 494‑8311

Group practices

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

• University Professional Services1,724 clinicians in the group

Specialties

• Hematology/Oncologyprimary
• Internal Medicinealso
• Medical Oncologyalso

Find other Hematology/Oncology doctors in Oregon →

Other hematologist-oncologists in Beaverton

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

• Richard T. Maziarz, MD
• Charles D. Lopez, MD
• Douglas M. Lackowski, MD
• Joseph J. Shatzel, MD
• Andy I. Chen, MD
• Stephen E. Spurgeon, MD
• Tomasz M. Beer, MD
• James J. Yoo, MD

All hematologist-oncologists in Beaverton →

Other clinicians in University Professional Services

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

• Ittai Bushlin, MD
• Nanette C. Marty, MD
• Srijan Adhikari, MD
• Matthew G. McCaskill, DO
• Anne M. Buckmaster, MD
• Neel Patel, 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