Mary-Eileen Hahn M.S.
About this NPIWhat this record shows.
NPI 1669780458 is registered to Mary-Eileen Hahn M.S., a Professional Counselor practising at 10 N Jefferson St, Suite 403 in Frederick, Maryland. Professional Counselor is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mary-Eileen Hahn M.S. has been enumerated in the National Provider Identifier (NPI) registry since 2010.
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-Eileen Hahn M.S. accepts. To confirm in-network status with your specific health plan, contact Mary-Eileen Hahn M.S. directly at (301) 620-8700.
Frequently asked
Yes. NPI 1669780458 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Professional Counselor 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) 620-8700.
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-Eileen Hahn M.S. is a Type-1 individual NPI.