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

Esther G Chong

Individual provider Internal Medicine Physician · NPI 1689101396

Esther G Chong is a Medical Oncology in Portland, Oregon. Graduated from Loma Linda University School of Medicine in 2021, 5 years ago. Practices with University Professional Services, a 1,704-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California and Oregon.

Years since qualifying
5
Trained at
Loma Linda University School of Medicine
Licensed in
CA, OR
In the registry since
2017
Specialties on file
2
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Practice location Address checks out

3303 S Bond Ave
Portland, OR 97239-4501
Phone: (503) 494-6594
Fax: (503) 494-5385
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 11234 Anderson St, Loma Linda, CA 92354-2804 — (909) 558-4000

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence MD219107 (OR)
Internal Medicine Physician Taxonomy 207R00000X · Licence A161243 (CA)

Record details

NPI number1689101396
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedMay 12, 2017
Last updated in NPPESJuly 15, 2025
Certification dateJuly 15, 2025
Mailing address1400 Sw 5th Ave Ste 500, Portland, OR 97201-5537

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2021 (5 years in practice)
Group practice University Professional Services — 1704 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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