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

Evan Ong, MD

Individual provider Surgical Oncology Physician · NPI 1073541959

Evan Ong, MD is a Surgical Oncology in Seattle, Washington. Graduated from Albert Einstein College of Medicine of Yeshiva University in 1999, 27 years ago. Practices with Swedish Health Services, a 1,045-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
27
Trained at
Albert Einstein College of Medicine of Yeshiva University
Licensed in
WA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1221 Madison St Ste 1411
Seattle, WA 98104-1360
Phone: (206) 386-6700
Fax: (206) 386-6706
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgical Oncology Physician (primary) Taxonomy 2086X0206X · Licence 60454602 (WA)

Record details

NPI number1073541959
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 29, 2006
Last updated in NPPESJune 23, 2021
Certification dateJune 23, 2021
Mailing address1221 Madison St Ste 1411, Seattle, WA 98104-1360

Medicare enrollment

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

Medicare specialtySURGICAL ONCOLOGY
Medical schoolALBERT EINSTEIN COLLEGE OF MEDICINE OF YESHIVA UNIVERSITY
Graduated 1999 (27 years in practice)
Group practice Swedish Health Services — 1045 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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