Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Michael Bayer, M.D.
Specialist in New York, NY · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1457318537
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Registry record
Entity type Individual (Type 1)
Name Mr. Michael Bayer
Credential M.D.
Sex Male
Practice address 969 Park Ave, New York, NY, 10028
Phone (212) 517-7300
Fax (212) 472-8641
Enumeration date May 1, 2006
Last updated in NPPES Jul 8, 2007
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
Where does Michael Bayer practice?
The practice location on file with NPPES is in New York, NY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Michael Bayer?
The National Provider Identifier (NPI) for Michael Bayer is 1457318537, 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 2007-07-08.