Dr. Ann Marie Stephenson Thomas D.O.
About this NPIWhat this record shows.
NPI 1376742601 is registered to Dr. Ann Marie Stephenson Thomas D.O., a Gastroenterology practising at 9420 Key West Avenue, Suite 202 in Rockville, Maryland. Gastroenterology is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Ann Marie Stephenson Thomas D.O. 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
- I20140402001871GastroenterologyDC
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. Ann Marie Stephenson Thomas D.O. accepts. To confirm in-network status with your specific health plan, contact Dr. Ann Marie Stephenson Thomas D.O. directly at (301) 251-9555.
Frequently asked
Yes. NPI 1376742601 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Gastroenterology 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 (301) 251-9555.
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. Ann Marie Stephenson Thomas D.O. is a Type-1 individual NPI.