Dr. Isaac Tsai M.D.
About this NPIWhat this record shows.
NPI 1013909407 is registered to Dr. Isaac Tsai M.D., a Cardiovascular Disease practising at 341 Magnolia Ave., Suite 205 in Corona, California. Cardiology is a medical specialty focused on disorders of the heart and blood vessels, including coronary artery disease, heart failure, arrhythmias, and hypertension. Dr. Isaac Tsai M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2005.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20040512001487Cardiovascular Disease (Cardiology)CA
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Dr. Isaac Tsai M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Isaac Tsai M.D. directly at (951) 735-4771.
Frequently asked
Yes. NPI 1013909407 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Cardiology is a medical specialty focused on disorders of the heart and blood vessels, including coronary artery disease, heart failure, arrhythmias, and hypertension.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (951) 735-4771.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Dr. Isaac Tsai M.D. is a Type-1 individual NPI.