Mary Callahan D.O.
About this NPIWhat this record shows.
NPI 1518968882 is registered to Mary Callahan D.O., a Cardiovascular Disease practising at 68a Route 6a, Post Office Box 1757 in Sandwich, Massachusetts. Cardiology is a medical specialty focused on disorders of the heart and blood vessels, including coronary artery disease, heart failure, arrhythmias, and hypertension. Mary Callahan D.O. has been enumerated in the National Provider Identifier (NPI) registry since 2005.
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.
Other
- 04-00730MA· Issued by UNITED HEALTHCARE
- 1518968882MA· Issued by UNICARE
- 160179MA· Issued by MA LICENSE
- J21736MA· Issued by BLUE CROSS BLUE SHIELD
- 3017490MA· Issued by NEIGHBORHOOD HEALTH
- 69586MA· Issued by HARVARD PILGRIM
- 1518968882MA· Issued by HEALTH NET/ TRICARE NORTH
- 11079014· Issued by CAQH
- 1518968882MA· Issued by MEDICARE ID
- 000000024479MA· Issued by BMC HEALTHNET
- 0058769MA· Issued by CIGNA
- 160179MA· Issued by TUFTS
- 2675818MA· Issued by AETNA
- 1518968882MA· Issued by BOSTON MEDICAL CENTER
- MC0380698GMA· Issued by MA CONTROLLED SUBSTANCE
Medicaid
- 3200680MA
Source: NPPES public registry.
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
- I20070814000547Cardiovascular Disease (Cardiology)MA
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 Mary Callahan D.O. accepts. To confirm in-network status with your specific health plan, contact Mary Callahan D.O. directly at (774) 413-5457.
Frequently asked
Yes. NPI 1518968882 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 (774) 413-5457.
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. Mary Callahan D.O. is a Type-1 individual NPI.