Quick answers
- Does Denley Ming Kee Yuan accept Medicare assignment?
- Yes. Medicare's clinician data says Denley Ming Kee Yuan 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 Denley Ming Kee Yuan see?
- In 2024, CMS data shows 144 Original Medicare patients and 185 services for Denley Ming Kee Yuan. This counts Original Medicare only and measures volume, not quality.
- What is Denley Ming Kee Yuan's NPI number?
- 1790280337. 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 Denley Ming Kee Yuan, 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 | 144 |
|---|---|
| Services billed to Medicare | 185 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 67 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)60 services
- Emergency department visit with moderate level of medical decision making (99284)55 services
- Critical care, first 30-74 minutes (99291)23 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)21 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 cholesterol70%
- Arthritis56%
- Diabetes51%
- Anxiety39%
- Depression38%
Hospitals where Denley Ming Kee Yuan works
Medicare's Facility Affiliation Data lists Denley Ming Kee Yuan 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.
- Chino Valley Medical CenterChino, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050586
- Montclair Hospital Medical CenterMontclair, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050758
- Palo Verde HospitalBlythe, CA · Critical Access Hospital · Emergency services: not listed by Medicare · CCN 051339
- Pomona Valley Hospital Medical CenterPomona, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050231
Practice locations
Addresses where Denley Ming Kee Yuan is enrolled with Medicare (CMS data updated October 2, 2026).
- 5000 San Bernardino StMontclair, CA 91763 (909) 625‑5411
- 5189 Hospital RdMariposa, CA 95338 (209) 966‑3631
- 5451 Walnut AveChino, CA 91710 (909) 625‑5411
- 9449 San Fernando RdSun Valley, CA 91352 (818) 767‑3310
Group practices
Medicare enrollment lists Denley Ming Kee Yuan as a member of these groups (CMS data updated October 2, 2026).
- Ignite Emergency Physicians a Medical Corporation45 clinicians in the group
- Premier Health Partners18 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Montclair
Clinicians with the same Medicare primary specialty in Montclair, CA — not a recommendation.
Other clinicians in Ignite Emergency Physicians a Medical Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical Branch At Galveston |
| Graduation year | 2018 (8 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790280337 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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