Quick answers
- Does Chien-Yeu Chun accept Medicare assignment?
- Medicare's clinician data says Chien-Yeu Chun may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Chien-Yeu Chun see?
- In 2024, CMS data shows 16 Original Medicare patients and 35 services for Chien-Yeu Chun. This counts Original Medicare only and measures volume, not quality.
- What is Chien-Yeu Chun's NPI number?
- 1922504042. 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 Chien-Yeu Chun, 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 patients | 16 |
|---|---|
| Services billed to Medicare | 35 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
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%
- Arthritis69%
Practice locations
Addresses where Chien-Yeu Chun is enrolled with Medicare (CMS data updated October 2, 2026).
- 2011 Pinto Ln, Suite 200Las Vegas, NV 89106 (702) 382‑3200
Group practices
Medicare enrollment lists Chien-Yeu Chun as a member of this group (CMS data updated October 2, 2026).
- Iriye Medical Group PLLC59 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Las Vegas
Clinicians with the same Medicare primary specialty in Las Vegas, NV — not a recommendation.
Other clinicians in Iriye Medical Group PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 2018 (8 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1922504042 |
| Corrections | Report 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians