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MASON JAMES WEIR
NPI 1780551341
Physician Assistant in Oneonta, NY

Active since October 20, 2025PECOS Enrolled
806 COUNTY HIGHWAY 11, ONEONTA, NY 13820(607) 287-8509 Get Directions Write a Review

NPPES record last updated: October 20, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mason James Weir NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MASON JAMES WEIR (NPI 1780551341) is an individual physician assistant in Oneonta, New York and active in the NPI registry since October 2025. He is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1780551341
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMASON JAMES WEIR
Location Address806 COUNTY HIGHWAY 11Oneonta, NY 13820-3333
Mailing Address806 County Highway 11Oneonta, NY 13820-3333 · (607) 287-8509
Phone(607) 287-8509
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateOctober 20, 2025
NPPES CertifiedOctober 20, 2025
✔ NPI 1780551341 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
806 COUNTY HIGHWAY 11, Oneonta, NY 13820
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mason James Weir is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8022572593
PECOS Enrollment IDI20260715002682
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 13820 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.93 typical visit price
range $54.87 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$68.57 typical visit price
range $17.54 – $136.14
Typical copayment $17.14 (range $4.38 – $34.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mason Weir's NPI number?

The NPI number for Mason Weir is 1780551341. It was assigned to this individual provider in the NPPES registry on October 20, 2025.

Where is Mason Weir located?

Mason Weir practices at 806 County Highway 11, Oneonta, NY 13820. The listed phone number is (607) 287-8509.

What is Mason Weir's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Mason Weir enrolled in Medicare?

Yes. Mason Weir is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mason Weir was last updated on October 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.