Kenneth Yokosawa, MD

Medicare activity in 2024

Official CMS public-use data for Kenneth Yokosawa, 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. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)41 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)40 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)32 services
4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)12 services
5. Hospital discharge day management, 30 minutes or less (99238)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 cholesterol75%
• Arthritis47%
• Diabetes33%
• Chronic kidney disease30%
• Anxiety29%

Hospitals where Kenneth Yokosawa works

Medicare's Facility Affiliation Data lists Kenneth Yokosawa 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.

• Copley Memorial HospitalAurora, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140029

Practice locations

Addresses where Kenneth Yokosawa is enrolled with Medicare (CMS data updated October 2, 2026).

• 1700 W Van Buren StChicago, IL 60612 (312) 563‑2875
• 2000 Ogden AveAurora, IL 60504 (630) 499‑4721
• 2000 Ogden Ave, Suite A1100Aurora, IL 60504 (630) 978‑6250
• 2020 Ogden AveAurora, IL 60504

Group practices

Medicare enrollment lists Kenneth Yokosawa as a member of these groups (CMS data updated October 2, 2026).

• Rush University Medical Group1,551 clinicians in the group
• Copley Memorial Hospital Inc42 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Illinois →

Other family doctors in Chicago

Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.

• Marian J. Skolarz, MD
• Samir N. Shahen, MD
• Aboulhanud S. Keswani, MD
• Juwaria O. Siddiqui, MD
• Meredith Baumgartner, MD
• Neil Patel, MD
• Jacqueline Olivo, MD
• Daniel J. Sepe, MD

All family doctors in Chicago →

Other clinicians in Rush University Medical Group

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

• Sara Baghikar
• Haimanot Wasse, MD
• Robert Vargas, MD
• Anne Ludford, NP
• Shannon X. Li, MD
• Colleen M. Buhrfiend, 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