NPPES file of Aug 9, 2026

Jacob T. Shelsy, PA-C

Physician Assistant · Williamstown, MA

Jacob T. Shelsy, PA-C is a physician assistant with a practice address in Williamstown, Massachusetts, and NPI 1417346974, issued on Jan 21, 2015. Check the license (Massachusetts PA5187, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1417346974
Name
Jacob T. Shelsy
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA5187 MA
Self-reported in NPPES; status is on the state search
Practice location
197 Adams Road, Williamstown, MA 01267
Phone
(413) 458-8182
Enumerated
Jan 21, 2015
Record last updated
May 14, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(413) 458-3140
Medicare enrollment
Enrolled (PECOS I20150320001274); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Jacob T. Shelsy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license PA5187
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

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10.3 times the Medicare Part D claims of the average physician assistant in 2024

8,561 Medicare Part D claims for 684 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 234 claims were for opioids.

  1. Jacob Shelsy8,561
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium560 claims
  2. Amlodipine Besylate410 claims
  3. Lisinopril394 claims
  4. Omeprazole343 claims
  5. Levothyroxine Sodium279 claims
  6. Losartan Potassium279 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $190.00

2 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jacob Shelsy$190.00
  2. Specialty average$841.65

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 hospitals and group practices

  1. Fairview HospitalWilliamstown, MA · Critical Access Hospitals5 of 5 stars
  2. Berkshire Faculty Services IncPittsfield, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Jacob T. Shelsy among 4,713 physician assistant records in Massachusetts

Jacob T. Shelsy, PA-C is one of 4,713 physician assistant records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 33% of them.

  • NPI issued2015 · 33% of these records are older, 64% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2014 · median 2019 among the 3,217 with a school on file
  • Record last updated2018 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3 physician assistant records list a practice address in Williamstown

They are 3 of the 139 NPPES records with a practice address in Williamstown, and 4,713 physician assistant records in Massachusetts.

The 8 physician assistant records with the nearest ZIP codes

  1. Lydia Carollo, PA-CWilliamstown, MA 012671225015134
  2. Laura Rosenthal, PA-CWilliamstown, MA 012671326657958
  3. Kacie Arsenault, PA-CNorth Adams, MA 012471881040590
  4. Sarah Chenail, PA-CNorth Adams, MA 012471891021788
  5. Paula Dunn, PANorth Adams, MA 012471194784165
  6. Brandon Gilvey, PA-CNorth Adams, MA 012471942563499
  7. Bryna Greenspan, PANorth Adams, MA 012471811966039
  8. Victoria Maxwell, PANorth Adams, MA 012471679532782

Common questions

What is Jacob T. Shelsy, PA-C's NPI number?

Jacob T. Shelsy, PA-C's National Provider Identifier (NPI) is 1417346974, issued on Jan 21, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Jacob T. Shelsy, PA-C located?

The NPPES record lists a practice address at 197 Adams Road, Williamstown, MA, 01267. Phone: (413) 458-8182. Providers update this record themselves, so call before visiting.

How can I verify Jacob T. Shelsy, PA-C's license?

NPPES lists Massachusetts license number PA5187, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Jacob T. Shelsy, PA-C prescribe under Medicare Part D?

In 2024, Jacob T. Shelsy, PA-C had 8,561 Medicare Part D claims for 684 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.