Doctor profile · Federal record

Dr. Mary Shierly, PA

Physician Assistant · Physician Assistant · Castleton on Hudson, NY

  • NPI 1831401983
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
35 Empire State Blvd
Castleton on Hudson, NY 120339777
(518) 477-2167
Mailing address
6 Wellness Way Ste 201
Latham, NY 121102156

Credentials & registration

NPPES · NUCC
NPI registered
July 2010 — 16 yrs on file
Profile last updated
March 13, 2026
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
363A00000X — NUCC code
State licenses (2)
New York #014042 · Massachusetts #PA4011
Medicaid
NY #03532432

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831401983. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
979
Distinct HCPCS
10
Medicare allowed
$33,043
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 113 78 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 103 74 $8
80053 Blood test, comprehensive group of blood chemicals 98 75 $10
80061 Blood test, lipids (cholesterol and triglycerides) 69 58 $13
99214 Established patient office or other outpatient visit, 30-39 minutes 68 51 $103
99212 Established patient office or other outpatient visit, 10-19 minutes 55 54 $46
99213 Established patient office or other outpatient visit, 20-29 minutes 53 49 $73
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 45 45 $105
83036 Hemoglobin a1c level 37 25 $9
81003 Automated urinalysis test 35 28 $2

In context: peer comparison

Among 1 peers in Castleton on Hudson Physician Assistant, average services per provider: 37. This provider delivers 26× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$98
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Hologic Sales and Service, LLC 1 $97.70

By nature of payment

Food and Beverage
$98

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,311
Patients
496
Total drug cost
$78,622
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 151 70 $1,719
Omeprazole Generic 133 44 $2,216
Levothyroxine Sodium Generic 123 53 $3,430
Losartan Potassium Generic 104 33 $1,306
Simvastatin Generic 104 36 $845
Lisinopril Generic 102 38 $689
Sertraline Hcl Generic 83 31 $817
Alprazolam Generic 79 35 $478
Amlodipine Besylate Generic 76 32 $793
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 72 31 $1,301

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Shierly's medical specialty?
Dr. Mary Shierly practices Physician Assistant in Castleton on Hudson, NY.
Where does Dr. Mary Shierly practice?
Dr. Mary Shierly practices at 35 Empire State Blvd, Castleton on Hudson, NY 120339777. Office phone: 5184772167.
What is Dr. Mary Shierly's NPI?
Dr. Mary Shierly's National Provider Identifier (NPI) is 1831401983, issued by NPPES.
Does Dr. Mary Shierly accept Medicare assignment?
Yes. Dr. Mary Shierly accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Shierly commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.