Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Zhihong Zhang, MD, PHD

Individual provider Medical Oncology Physician · NPI 1215345913

Dr. Zhihong Zhang, MD, PHD is a Hematology/Oncology in Seattle, Washington. Qualified in 1993, 33 years ago. Practices with Optum Care Washington PLLC, a 685-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
33
Licensed in
WA
In the registry since
2014
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

825 Eastlake Ave E
Seattle, WA 98109-4405
Phone: (206) 520-5000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1717 13th St, Everett, WA 98201-1621 — (425) 297-5560

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence MD61019267 (WA)
Medical Oncology Physician Taxonomy 207RX0202X · Licence MD61019267 (WA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD61019267 (WA)

Record details

NPI number1215345913
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedJuly 25, 2014
Last updated in NPPESDecember 11, 2024
Certification dateDecember 11, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Group practice Optum Care Washington Pllc — 685 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

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