Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Michael A Werner, MD, FACS
Urology Physician in Harrison, NY · enumerated 2010.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1124340294
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Registry record
Entity type Individual (Type 1)
Name Michael A Werner
Credential MD, FACS
Sex Male
Practice address 440 Mamaroneck Ave Ste 201, Harrison, NY, 10528
Phone (914) 997-4100
Fax (914) 683-0974
Enumeration date Feb 17, 2010
Last updated in NPPES Dec 20, 2024
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 Michael Werner?
The National Provider Identifier (NPI) for Michael Werner is 1124340294, a Type 1 (individual) record in the CMS NPPES registry.
Where does Michael Werner practice?
The practice location on file with NPPES is in Harrison, NY. 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 2024-12-20.