MARY P SHIERLY PA
NPI 1831401983
Physician Assistant in Castleton On Hudson, NY
About Mary P Shierly Pa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY P SHIERLY PA (NPI 1831401983) is an individual physician assistant in Castleton On Hudson, New York, licensed in New York (014042) and active in the NPI registry since July 2010. She is enrolled in Medicare PECOS, is affiliated with Aurelia Osborn Fox Memorial Hospital, and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses
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.
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mary P Shierly Pa is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Aurelia Osborn Fox Memorial Hospital
Acute Care Hospitals · Oneonta, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 12033 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Mary Shierly's NPI number?
The NPI number for Mary Shierly is 1831401983. It was assigned to this individual provider in the NPPES registry on July 6, 2010.
Where is Mary Shierly located?
Mary Shierly practices at 35 Empire State Blvd, Castleton On Hudson, NY 12033. The listed phone number is (518) 477-2167.
What is Mary Shierly's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
Is Mary Shierly enrolled in Medicare?
Yes. Mary Shierly is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Is Mary Shierly affiliated with any hospitals?
According to CMS data, Mary Shierly is affiliated with Aurelia Osborn Fox Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Mary Shierly was last updated on March 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.
