Kevin J. Koomalsingh, MD

Medicare activity in 2024

Official CMS public-use data for Kevin J. Koomalsingh, 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. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)34 services
2. Replacement of aortic valve through the skin and femoral artery (33361)25 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%
• Ischemic heart disease75%
• Heart failure75%
• Atrial fibrillation54%
• Diabetes45%

Hospitals where Kevin J. Koomalsingh works

Medicare's Facility Affiliation Data lists Kevin J. Koomalsingh 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.

• Providence St Vincent Medical CenterPortland, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380004

Practice locations

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

• 9427 SW Barnes Rd, Suite 593Portland, OR 97225 (503) 216‑8670

Group practices

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

• Providence Health and Services Oregon1,433 clinicians in the group

Specialties

• Thoracic Surgeryprimary

Find other Thoracic Surgery doctors in Oregon →

Other thoracic surgeons in Portland

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

• Duy C. Nguyen, MD
• Eric B. Kirker, MD
• Edward Chiou, MD
• Gary Y. Ott, MD
• Thomas A. Molloy, MD
• Andrew Baldwin, MD
• James C. Witten, MD
• Pasala S. Ravichandran, MD

All thoracic surgeons in Portland →

Other clinicians in Providence Health and Services Oregon

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

• Steven Sha, DO
• Ranjana S. Nathan, MD
• Elizabeth A. Picologlou, MD
• Jay B. Ham, MD
• Andrew D. Rontal, MD
• Staci J. Eskesen, 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