Geoffrey YoonM.D.
Advanced Heart Failure & Transplant Cardiology·Mountain View, CA
Geoffrey Yoon, M.D. is an Advanced Heart Failure & Transplant Cardiology provider in Mountain View, CA, as of July 2026.
- NPI1023298353
- Registered2007
- Class of2007
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Geoffrey Yoon at a glance
- Provider
- Geoffrey Yoon
- Credential
- M.D.
- Location
- Mountain View, CA
- Medical school
- Johns Hopkins University School of Medicine
- Graduated
- 2007
- NPI registered
- 2007
- NPI
- 1023298353
- 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 Geoffrey Yoon practice?
Geoffrey Yoon, M.D. is based in Mountain View, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Geoffrey Yoon's NPI number?
Geoffrey Yoon's National Provider Identifier (NPI) is 1023298353, registered in 2007. Specialty on record: Advanced Heart Failure And Transplant Cardiology; credential M.D.
Where did Geoffrey Yoon go to medical school?
Geoffrey Yoon, M.D. attended Johns Hopkins University School of Medicine, graduating in 2007.
How many Advanced Heart Failure & Transplant Cardiology providers in California work at ambulatory surgery centers?
12 Advanced Heart Failure & Transplant Cardiology surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Geoffrey Yoon among them. The California Advanced Heart Failure & Transplant Cardiology directory lists each one by city with credential, NPI, and center affiliations.
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