John Mannion M.D.
About this NPIWhat this record shows.
NPI 1780685677 is registered to John Mannion M.D., a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician practising at 540 S Governors Ave, Suite 101a in Dover, Delaware. Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. John Mannion M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2005.
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
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 John Mannion M.D. accepts. To confirm in-network status with your specific health plan, contact John Mannion M.D. directly at (302) 744-7980.
Frequently asked
Yes. NPI 1780685677 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
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 (302) 744-7980.
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. John Mannion M.D. is a Type-1 individual NPI.