Quick answers
- Does Zachary P. Yeung accept Medicare assignment?
- Yes. Medicare's clinician data says Zachary P. Yeung 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 Zachary P. Yeung see?
- In 2024, CMS data shows 198 Original Medicare patients and 732 services for Zachary P. Yeung. This counts Original Medicare only and measures volume, not quality.
- What is Zachary P. Yeung's NPI number?
- 1043667413. 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 Zachary P. Yeung, 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 | 198 |
|---|---|
| Services billed to Medicare | 732 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)443 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)83 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)71 services
- Telephone medical discussion with physician, 11-20 minutes (99442)30 services
- Telephone medical discussion with physician, 5-10 minutes (99441)20 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 cholesterol67%
- Arthritis49%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)44%
- Ischemic heart disease34%
- Diabetes33%
Hospitals where Zachary P. Yeung works
Medicare's Facility Affiliation Data lists Zachary P. Yeung 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.
- Banner - University Medical Center PhoenixPhoenix, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030002
- Banner Boswell Medical CenterSun City, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030061
- Banner del E. Webb Medical CenterSun City West, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030093
- Banner Gateway Medical CenterGilbert, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030122
- Banner Thunderbird Medical CenterGlendale, AZ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 030089
Practice locations
Addresses where Zachary P. Yeung is enrolled with Medicare (CMS data updated October 2, 2026).
- 10401 W Thunderbird BlvdSun City, AZ 85351 (623) 832‑4000
- 14502 W Meeker BlvdSun City, AZ 85375 (623) 524‑4000
Group practices
Medicare enrollment lists Zachary P. Yeung as a member of this group (CMS data updated October 2, 2026).
- Banner Cancer Center Specialists LLC344 clinicians in the group
Specialties
- Hematology/Oncologyprimary
- Internal Medicinealso
Other hematologist-oncologists in Sun City
Clinicians with the same Medicare primary specialty in Sun City, AZ — not a recommendation.
Other clinicians in Banner Cancer Center Specialists LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Baylor College Of Medicine |
| Graduation year | 2016 (10 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1043667413 |
| 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