William Mahon, MD PC
NPI 1992863062 · Orthopaedic Surgery Physician · Oswego, NY
William Mahon, MD PC is a Orthopaedic Surgery Physician organization in Oswego, NY (NPI 1992863062).
Provider details
- NPI number
- 1992863062
- Entity type
- Organization
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- William Mahon, Physician(315) 343-3992
- License
- 1423231 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-04
- Last updated
- 2011-10-19
Frequently asked questions
- What is William Mahon, MD PC's NPI number?
- William Mahon, MD PC's National Provider Identifier (NPI) is 1992863062, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William Mahon, MD PC?
- William Mahon, MD PC is classified in the NPPES registry as Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is William Mahon, MD PC located?
- William Mahon, MD PC's practice location on file with NPPES is 140 W 6th St, Oswego, NY 13126-2525.
- What is William Mahon, MD PC's phone number?
- The practice phone number listed in the NPPES registry for William Mahon, MD PC is (315) 343-3992.
- Who is the authorized official for William Mahon, MD PC?
- The authorized official listed on William Mahon, MD PC's NPPES record is William Mahon, Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William Mahon, MD PC's NPI active?
- Yes — William Mahon, MD PC's NPI (1992863062) is active in the NPPES registry as of the last update on 2011-10-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.