Troy E. Chilson, PAC
Physician Assistant · Northampton, MA
Troy E. Chilson, PAC is a physician assistant with a practice address in Northampton, Massachusetts, and NPI 1376733956, issued on Jul 30, 2007. Check the license (Massachusetts 2357, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Troy E. Chilson
- Credential
- PAC
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 2357 MA
Self-reported in NPPES; status is on the state search - Practice location
- 6 Hatfield St, Northampton, MA 01060
- Phone
- (413) 586-8200
- Enumerated
- Jul 30, 2007
- Record last updated
- Sep 9, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (413) 582-1460
- Medicare enrollment
- Enrolled (PECOS I20081104000485); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 6 Hatfield St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Troy E. Chilson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 2357Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% more Medicare Part D claims than the average physician assistant in 2024
1,025 Medicare Part D claims for 382 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 289 claims were for opioids.
Most prescribed
- Gabapentin337 claims
- Oxycodone-Acetaminophen128 claims
- Prednisone77 claims
- Hydrocodone-Acetaminophen61 claims
- Tizanidine Hcl60 claims
- Tramadol Hcl42 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: $116.43
5 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Holyoke Medical Center IncSpringfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Troy E. Chilson among 4,713 physician assistant records in Massachusetts
Troy E. Chilson, PAC 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 2007, is newer than 13% of them.
- NPI issued2007 · 13% of these records are older, 82% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2007 · median 2019 among the 3,217 with a school on file
- Record last updated2008 · 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).
28 physician assistant records list a practice address in Northampton
They are 28 of the 1,816 NPPES records with a practice address in Northampton, and 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Northampton → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kirsten Bringardner, PA-CNorthampton, MA 010601013962059
- Cynthia Cutter, PACNorthampton, MA 010601245249671
- Katelyn Dutkiewicz, PANorthampton, MA 010601134368400
- Lynne Hinkle, PA-C, ND, MSOM, MSNorthampton, MA 010601548381544
- Amy Jacobson, P.A.Northampton, MA 010601346254059
- Anita Lekarczyk, PA-CNorthampton, MA 010601063828515
- Robert Levine, PA-CNorthampton, MA 010601114125812
- Reid Motha, PA-CNorthampton, MA 010601003207929
Common questions
What is Troy E. Chilson, PAC's NPI number?
Troy E. Chilson, PAC's National Provider Identifier (NPI) is 1376733956, issued on Jul 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Troy E. Chilson, PAC located?
The NPPES record lists a practice address at 6 Hatfield St, Northampton, MA, 01060. Phone: (413) 586-8200. Providers update this record themselves, so call before visiting.
How can I verify Troy E. Chilson, PAC's license?
NPPES lists Massachusetts license number 2357, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Troy E. Chilson, PAC prescribe under Medicare Part D?
In 2024, Troy E. Chilson, PAC had 1,025 Medicare Part D claims for 382 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.