Thomas Marantz M.D.
About this NPIWhat this record shows.
NPI 1669432621 is registered to Thomas Marantz M.D., a Cardiovascular Disease practising at 2 Medical Center Dr, Suite 401 in Springfield, Massachusetts. Cardiology is a medical specialty focused on disorders of the heart and blood vessels, including coronary artery disease, heart failure, arrhythmias, and hypertension. Thomas Marantz M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Beyond the registryWhat this record adds.
This record carries 1 secondary identifier beyond the base NPI: Medicaid and other payer cross-references used by billers and credentialers, which the standard CMS NPPES lookup does not surface. Within the directory it is one of 1,220 Cardiovascular Disease providers on file in Massachusetts.
Source: CMS NPPES and PECOS public files. snapshot, refreshed monthly.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Medicaid
- 6179649MA
Source: NPPES public registry.
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 Thomas Marantz M.D. accepts. To confirm in-network status with your specific health plan, contact Thomas Marantz M.D. directly at (413) 781-5735.
Frequently asked
Yes. NPI 1669432621 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 (413) 781-5735.
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. Thomas Marantz M.D. is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 1,220 Cardiovascular Disease providers are registered in Massachusetts, and Thomas Marantz M.D. is one of them. The figure refreshes each month from the federal source.