Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Stephen James Langan, DMD
Endodontics in East Greenbush, NY · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1750371753
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Registry record
Entity type Individual (Type 1)
Name Dr. Stephen James Langan
Credential DMD
Sex Male
Practice address 77 Troy Rd, Entrance C, East Greenbush, NY, 12061
Phone (518) 477-5155
Fax (518) 477-5169
Enumeration date Oct 21, 2005
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees.
About the DMD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Stephen Langan practice?
The practice location on file with NPPES is in East Greenbush, NY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Stephen Langan?
The National Provider Identifier (NPI) for Stephen Langan is 1750371753, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.