Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
David F Mcmahon, M.D.
Psychiatry Physician in Beverly, MA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1760421762
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name David F Mcmahon
Credential M.D.
Sex Male
Practice address 100 Powers St, Beverly, MA, 01915
Phone (978) 977-3000
Enumeration date Jun 5, 2006
Last updated in NPPES Aug 31, 2009
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD 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
What is the NPI number for David Mcmahon?
The National Provider Identifier (NPI) for David Mcmahon is 1760421762, a Type 1 (individual) record in the CMS NPPES registry.
Where does David Mcmahon practice?
The practice location on file with NPPES is in Beverly, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-08-31.