What is Mason Weir's NPI number?

Mason Weir's National Provider Identifier (NPI) is 1780551341, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mason Weir's specialty?

Mason Weir is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).

Where is Mason Weir located?

Mason Weir's practice location on file with NPPES is 806 County Highway 11, Oneonta, NY 13820-3333.

What is Mason Weir's phone number?

The practice phone number listed in the NPPES registry for Mason Weir is (607) 287-8509.

Is Mason Weir's NPI active?

Yes — Mason Weir's NPI (1780551341) is active in the NPPES registry as of the last update on 2025-10-20.

IndividualActive

Mason Weir

NPI 1780551341 · Physician Assistant · Oneonta, NY

Mason Weir is a Physician Assistant provider in Oneonta, NY (NPI 1780551341).

Provider details

NPI number: 1780551341
Entity type: Individual
Primary specialty: Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Physician AssistantPrimary363A00000X
Physician Assistants & Advanced Practice Nursing Providers

Profile Score

Basic profile(47/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% 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

806 County Highway 11

Oneonta, NY 13820-3333

Phone: (607) 287-8509

Street-level locationGet directions

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Mailing address