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

Geoffrey Yoon, MD

Individual provider Internal Medicine Physician · NPI 1023298353

Geoffrey Yoon, MD is an Advanced Heart Failure and Transplant Cardiology in Mountain View, California. Graduated from Johns Hopkins University School of Medicine in 2007, 19 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
19
Trained at
Johns Hopkins University School of Medicine
Licensed in
CA
In the registry since
2007
Specialties on file
3
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

701 E El Camino Real
Mountain View, CA 94040-2833
Phone: (650) 404-8300
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Advanced Heart Failure and Transplant Cardiology Physician (primary) Taxonomy 207RA0001X · Licence A105364 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A105364 (CA)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence A105364 (CA)

Record details

NPI number1023298353
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 3, 2007
Last updated in NPPESNovember 29, 2021
Certification dateMarch 25, 2020
Mailing address393 E Walnut St, Fl 3, Pasadena, CA 91188-0001

Medicare enrollment

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

Medicare specialtyADVANCED HEART FAILURE AND TRANSPLANT CARDIOLOGY
Also practisesCARDIOVASCULAR DISEASE (CARDIOLOGY), CRITICAL CARE (INTENSIVISTS), INTERNAL MEDICINE
Medical schoolJOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2007 (19 years in practice)
Group practice Southern California Permanente Medical Group — 11242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

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