Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Mary Frances Bayer, LMSW
Social Worker in Hamburg, NY · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1649407735
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Registry record
Entity type Individual (Type 1)
Name Mrs. Mary Frances Bayer
Credential LMSW
Sex Female
Practice address 6490 Taylor Rd Lot 17, Hamburg, NY, 14075
Phone (877) 246-2396
Fax (877) 246-2396
Enumeration date Jun 16, 2009
Last updated in NPPES Jun 16, 2009
Taxonomy & licenses
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 Mary Frances Bayer practice?
The practice location on file with NPPES is in Hamburg, NY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mary Frances Bayer?
The National Provider Identifier (NPI) for Mary Frances Bayer is 1649407735, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-06-16.