Rosemarie Greyson-Fleg MD
About this NPIWhat this record shows.
NPI 1538355789 is registered to Rosemarie Greyson-Fleg MD, a Diagnostic Radiology practising at 9811 Mallard Dr Ste 102 in Laurel, Maryland. Diagnostic Radiology uses medical imaging (X-ray, CT, MRI, ultrasound, and nuclear medicine) to diagnose disease and injury. Rosemarie Greyson-Fleg MD has been enumerated in the National Provider Identifier (NPI) registry since 2007.
Your brand here.
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
- I20180611001853Diagnostic RadiologyMD
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 Rosemarie Greyson-Fleg MD accepts. To confirm in-network status with your specific health plan, contact Rosemarie Greyson-Fleg MD directly at (301) 776-4777.
Frequently asked
Yes. NPI 1538355789 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Diagnostic Radiology uses medical imaging (X-ray, CT, MRI, ultrasound, and nuclear medicine) to diagnose disease and injury.
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) 776-4777.
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. Rosemarie Greyson-Fleg MD is a Type-1 individual NPI.