Zhihong Zhang, MD

Medicare activity in 2024

Official CMS public-use data for Zhihong Zhang, 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. Injection, pembrolizumab, 1 mg (J9271)15,400 services
2. Injection, daratumumab, 10 mg and hyaluronidase-fihj (J9144)5,220 services
3. Injection, paclitaxel, 1 mg (J9267)5,214 services
4. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)5,115 services
5. Injection, dexamethasone sodium phosphate, 1 mg (J1100)1,349 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 pressure70%
• High cholesterol65%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)55%
• Arthritis35%
• Chronic kidney disease34%
• Diabetes27%

Hospitals where Zhihong Zhang works

Medicare's Facility Affiliation Data lists Zhihong Zhang 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.

• Overlake Hospital Medical Center & ClinicsBellevue, WA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 500051
• Providence Regional Medical Center EverettEverett, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500014

Practice locations

Addresses where Zhihong Zhang is enrolled with Medicare (CMS data updated October 2, 2026).

• 1701 Columbia RdSeattle, WA 98195 (206) 598‑3100
• 1959 NE Pacific StSeattle, WA 98195 (206) 598‑4333
• 728 Edmonds Way, Rosewood Courte Memory CareEdmonds, WA 98020 (425) 673‑2875

Group practices

Medicare enrollment lists Zhihong Zhang as a member of this group (CMS data updated October 2, 2026).

• The Association of University Physicians3,535 clinicians in the group

Specialties

• Hematology/Oncologyprimary

Find other Hematology/Oncology doctors in Washington →

Other hematologist-oncologists in Seattle

Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.

• Nellowe C. Candelario, MD
• Nikhil V. Kamat, MD
• Filippo Milano, MD
• Prakash Varadarajan, MD
• Krishna R. Juluri, MD
• Sheldon Z. Goldberg, MD
• Mengyang Di, MD
• Rajitha Sunkara, MD

All hematologist-oncologists in Seattle →

Other clinicians in The Association of University Physicians

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

• Nellowe C. Candelario, MD
• Sunita Khadka
• Joseph O. Merrill, MD
• Brendan T. Mullen, MD
• Evan T. Hall, MD
• Kimberly A. Harlow

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