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

Dr. Eugene Jay Yoon, MD

Individual provider Gastroenterology Physician · NPI 1861618449

Dr. Eugene Jay Yoon, MD is a Gastroenterology in Fullerton, California. Graduated from University of Virginia School of Medicine in 2001, 25 years ago. Practices with Providence Medical Foundation, a 1,465-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
25
Trained at
University of Virginia School of Medicine
Licensed in
CA
In the registry since
2007
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

1837 Sunny Crest Dr
Fullerton, CA 92835-3616
Phone: (714) 446-5831
Fax: (714) 446-7910
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence A81190 (CA)

Record details

NPI number1861618449
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 18, 2007
Last updated in NPPESOctober 24, 2024
Certification dateOctober 22, 2024
Mailing address1837 Sunny Crest Dr, Fullerton, CA 92835-3616

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolUNIVERSITY OF VIRGINIA SCHOOL OF MEDICINE
Graduated 2001 (25 years in practice)
Group practice Providence Medical Foundation — 1465 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations6 on file with Medicare

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