Individual provider · Type 1 NPI

Eleni Efstathiou, MD

Medical Oncology Physician · Portland, OR

NPI number 1447654470 Active

Practice location

3303 S Bond Ave
Portland, OR 97239-4501

Call (503) 494-6594 Map

Fax (503) 494-5385

Mailing address

1400 SW 5th Ave Ste 500
Portland, OR 97201-5537

Other practice locations

  • 1515 Holcombe Blvd, Houston, TX 77030 · (713) 792-6161

Specialties and licenses

TaxonomyCodeLicense
Medical Oncology Physician 207RX0202X44660 (TX)
Medical Oncology Physician Primary 207RX0202XMF229340 (OR)

Medical Oncology Physician: An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

207 other providers at this address

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About NPI 1447654470

Eleni Efstathiou, MD's National Provider Identifier is 1447654470, issued on Oct 20, 2014. The primary taxonomy on file is Medical Oncology Physician (207RX0202X), and the practice location is in Portland, OR. The record was last updated on Feb 11, 2026.