Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

William Mahon, MD PC

Organization Orthopaedic Surgery Physician · NPI 1992863062

William Mahon, MD PC is an Orthopaedic Surgery Physician in Oswego, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

140 W 6th St Ste 210
Oswego, NY 13126-2525
Phone: (315) 343-3992
Fax: (315) 343-1455
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 1423231 (NY)

Record details

NPI number1992863062
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Mahon — Physician · (315) 343-3992
NPI enumeratedDecember 4, 2006
Last updated in NPPESOctober 19, 2011
Mailing address140 W 6th St, Suite 210, Oswego, NY 13126-2525

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