John Charles Isaac, MD

Cardiologist in Houston, Texas · NPI 1295799005

John Isaac is one of 291 cardiologists practicing in Houston, Texas. John Isaac practices with Houston Cardiovascular Assoc PA.

Registry record (NPPES)

NPI
1295799005
Type
Type 1 · Individual
Primary taxonomy
Internal Medicine, Interventional Cardiology · 207RI0011X
Address on file
6560 Fannin St
Houston, TX 77030-2761
(713) 791-1978
Enumerated
Apr 17, 2006
Record last updated
Oct 25, 2016
License states listed
TX

Medicare (CMS)

Enrollment
Medicare-enrolled in TX
Cardiovascular Disease (Cardiology)
Revalidation due
No date set by CMS

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Practice locations

More cardiologists in Houston

Updated August 2026. Practice locations and specialty come from the CMS Doctors and Clinicians file, the registry record from NPPES, and enrollment from CMS Medicare enrollment files. NPI records are corrected at the source, through NPPES.