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Interventional Radiology

Ken Hirasaki, MD

Works at hospitals in Denver, CO · Highlands Ranch, CO · Aurora, CO · Colorado

Summary

Dr. Ken Hirasaki, MD is an interventional radiologist at 100 Cook St, Suite 100, Denver, CO 80206. Phone: (720) 516-9420. Accepts Medicare assignment. In 2024, Ken Hirasaki had 470 Original Medicare patients and 882 services. NPI 1417175829. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Ken Hirasaki, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Ken Hirasaki accept Medicare assignment?
Yes. Medicare's clinician data says Ken Hirasaki accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Ken Hirasaki see?
In 2024, CMS data shows 470 Original Medicare patients and 882 services for Ken Hirasaki. This counts Original Medicare only and measures volume, not quality.
What is Ken Hirasaki's NPI number?
1417175829. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Ken Hirasaki, 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.

Original Medicare patients470
Services billed to Medicare882
Different services or procedures153
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)105 services
  2. X-ray of chest, 1 view (71045)69 services
  3. Ct scan of blood vessels of abdomen and pelvis with contrast (74174)47 services
  4. Ultrasonic guidance for blood vessel access (76937)47 services
  5. Ultrasonic guidance for needle placement (76942)27 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 cholesterol71%
  • Arthritis52%
  • Chronic kidney disease47%
  • Ischemic heart disease40%
  • Diabetes34%

Hospitals where Ken Hirasaki works

Medicare's Facility Affiliation Data lists Ken Hirasaki 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.

Practice locations

Addresses where Ken Hirasaki is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.

Group practices

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

  • University Physicians Incorporated3,215 clinicians in the group
  • Denver Health and Hospital Authority849 clinicians in the group
  • UCHealth Imaging Services LLC258 clinicians in the group

Specialties

Find other Interventional Radiology doctors in Colorado →

Other interventional radiologists in Denver

Clinicians with the same Medicare primary specialty in Denver, CO — not a recommendation.

All interventional radiologists in Denver →

Other clinicians in University Physicians Incorporated

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

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical School At San Antonio
Graduation year2002 (24 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1417175829
CorrectionsReport an error or suggest an update →

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