Donald YangMD
Gastroenterology·Springfield, OR
Donald Yang, MD is a Gastroenterology provider in Springfield, OR affiliated with 2 ambulatory surgery centers in OR, as of July 2026.
- NPI1023037306
- Registered2006
- Centers2
- StateOR
- Class of1998
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Ambulatory surgery centers
Centers whose service lines match this provider’s. Affiliations change; verify independently.
Education
Education on record as of August 2026.
Donald Yang at a glance
- Provider
- Donald Yang
- Credential
- MD
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Springfield, OR
- Medical school
- Perelman School of Med at the University of Pennsylvania
- Graduated
- 1998
- NPI registered
- 2006
- NPI
- 1023037306
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Donald Yang practice?
Donald Yang, MD is based in Springfield, OR and is affiliated with 2 ambulatory surgery centers: Cascade Endoscopy Center LLC in Springfield, OR and Oregon Endoscopy Center LLC in Springfield, OR. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Donald Yang's NPI number?
Donald Yang's National Provider Identifier (NPI) is 1023037306, registered in 2006. Specialty on record: Gastroenterology; credential MD.
Where did Donald Yang go to medical school?
Donald Yang, MD attended Perelman School of Med at the University of Pennsylvania, graduating in 1998.
How many Gastroenterology providers in Oregon work at ambulatory surgery centers?
82 Gastroenterology surgeons and proceduralists in Oregon are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Donald Yang among them. The Oregon Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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