National Provider Identifier Database

ESTHER G CHONG
Medical Oncology

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.


Contact Information

ESTHER G CHONG
3303 S BOND AVE
PORTLAND, OR97239-4501
Phone: 503-494-6594
Fax: 503-494-5385
Website:
Specialty Taxonomy Code
* Medical Oncology 207RX0202X
Internal Medicine 207R00000X

* Indicates primary specialty

NPI Profile & details for ESTHER G CHONG

NPI Number 1689101396
Credentials
Entity Individual
Enumeration date 05/12/2017
Last updated 07/15/2025 - About 11 months ago
Sole proprietor1 Yes
Identifiers
  • CA License #: A161243
  • OR License #: MD219107
Hospital affiliation n/a

1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

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