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

Dr. Osler Jay Justo Guzon, MD

Individual provider Internal Medicine Physician · NPI 1285683888

Dr. Osler Jay Justo Guzon, MD is a Cardiovascular Disease (Cardiology) in Saint Louis, Missouri. Graduated from University of Missouri, Kansas City, School of Medicine in 2001, 25 years ago. Practices with Heart Care Institute LLC, a 22-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Missouri.

Years since qualifying
25
Trained at
University of Missouri, Kansas City, School of Medicine
Licensed in
MO
In the registry since
2006
Specialties on file
2
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

5201 Mid America Plz Div Im Cardiology Ste 2300
Saint Louis, MO 63129-0002
Phone: (314) 362-1291
Fax: (314) 362-4278
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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 2005013486 (MO)
Internal Medicine Physician Taxonomy 207R00000X · Licence 2005013486 (MO)

Record details

NPI number1285683888
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 9, 2006
Last updated in NPPESAugust 13, 2025
Certification dateMay 23, 2023

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesINTERNAL MEDICINE, NUCLEAR MEDICINE
Medical schoolUNIVERSITY OF MISSOURI, KANSAS CITY, SCHOOL OF MEDICINE
Graduated 2001 (25 years in practice)
Group practice Heart Care Institute Llc — 22 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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