Provider Profile
Mary P. Shierly, PA is a physician assistant practicing in Castleton on Hudson, NY. Medicare claims data shows Mary provided 187 services to 178 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, blood test, comprehensive group of blood chemicals, and complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
35 EMPIRE STATE BLVD
Castleton On Hudson, NY 12033
187 services · 178 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
12 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
34 | Less often than most peers in Physician Assistant |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
31 | As often as other peers in Physician Assistant |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
28 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
23 | Less often than most peers in Physician Assistant |
| Blood test, lipids (cholesterol and triglycerides) | Lab test | 80061 |
19 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
17 | Less often than most peers in Physician Assistant |
| Automated urinalysis test | Lab test | 81003 |
12 | Less often than most peers in Physician Assistant |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
11 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Mary P. Shierly is a physician assistant in Castleton On Hudson, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
Mary P. Shierly is listed at 35 Empire State Blvd, Castleton On Hudson, NY 12033. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (518) 477-2167. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Mary P. Shierly's National Provider Identifier is 1831401983. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Mary P. Shierly attended Other, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
Mary P. Shierly has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Mary P. Shierly performs procedures including insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Mary P. Shierly. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.