Dr. Dennis Cullen MD
About this NPIWhat this record shows.
NPI 1104988054 is registered to Dr. Dennis Cullen MD, a Internal Medicine practising at 6188 Oxon Hill Road, Suite 704 in Oxon Hill, Maryland. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Dr. Dennis Cullen MD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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
- 4293613· Issued by AETNA
- 0001· Issued by BCBS NATL CAPITOL AREA
- 41238404· Issued by BCBS OF MARYLAND
- 1462915· Issued by UNITED HEALTH CARE
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
- I20110413000858Internal MedicineDC
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. Dennis Cullen MD accepts. To confirm in-network status with your specific health plan, contact Dr. Dennis Cullen MD directly at (301) 839-2790.
Frequently asked
Yes. NPI 1104988054 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties.
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 (301) 839-2790.
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. Dennis Cullen MD is a Type-1 individual NPI.