William Maisel M.D.
About this NPIWhat this record shows.
NPI 1114032174 is registered to William Maisel M.D., a Cardiovascular Disease practising at Beth Israel Deaconess Medical Center, 185 Pilgrim Rd.,Baker 4 in Boston, Massachusetts. Cardiology is a medical specialty focused on disorders of the heart and blood vessels, including coronary artery disease, heart failure, arrhythmias, and hypertension. William Maisel M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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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 William Maisel M.D. accepts. To confirm in-network status with your specific health plan, contact William Maisel M.D. directly at (617) 632-7457.
Frequently asked
Yes. NPI 1114032174 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 (617) 632-7457.
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. William Maisel M.D. is a Type-1 individual NPI.