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

John Y Ko, MD

Individual provider Internal Medicine Physician · NPI 1972605541

John Y Ko, MD is a Cardiovascular Disease (Cardiology) in Sacramento, California. Graduated from University of California, Geffen School of Medicine in 2004, 22 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
22
Trained at
University of California, Geffen School of Medicine
Licensed in
CA
In the registry since
2006
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

6600 Bruceville Rd
Sacramento, CA 95823-4671
Phone: (916) 688-4000
Fax: (916) 688-6462
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence A99005 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A99005 (CA)
Interventional Cardiology Physician Taxonomy 207RI0011X · Licence A99005 (CA)

Record details

NPI number1972605541
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 2, 2006
Last updated in NPPESDecember 22, 2021
Certification dateFebruary 13, 2020

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 2004 (22 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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