NPPES file of Aug 9, 2026

Jonathan Stiles, PTA

Physical Therapy Assistant · Northampton, MA

Jonathan Stiles, PTA is a physical therapy assistant with a practice address in Northampton, Massachusetts, and NPI 1366223489, issued on Oct 13, 2023. Check the license (Massachusetts 9909, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1366223489
Name
Jonathan Stiles
Credential
PTA
Primary taxonomy
Physical Therapy Assistant 225200000X
License number
9909 MA
Self-reported in NPPES; status is on the state search
Practice location
39 Carlon Dr, Northampton, MA 01060
Phone
(413) 727-3315
Enumerated
Oct 13, 2023
Record last updated
Oct 13, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest physical therapy assistant records → All 1,136 in Massachusetts → Look up another NPI →

Also registered at 39 Carlon Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. James Callaway, PTAPhysical Therapy Assistant1740062140
  2. Kevin Chevalier, DPTPhysical Therapist1770038630
  3. Catherine Cote, DPTPhysical Therapist1053859132
  4. Erin Kenny, DPTPhysical Therapist1740880160
  5. Jared Lauziere, DPTPhysical Therapist1235857426
  6. James Lyons, PTPhysical Therapist1609182856

Verify Jonathan Stiles 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 9909    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Jonathan Stiles among 1,136 physical therapy assistant records in Massachusetts

Jonathan Stiles, PTA is one of 1,136 physical therapy assistant records with a practice address in Massachusetts. 0% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2023, is newer than 90% of them.

  • NPI issued2023 · 90% of these records are older, 7% newer
  • In a Medicare fileNo · 0% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2023 · 85% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225200000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Physical Therapy Assistant providers in Massachusetts

There are 1,136 physical therapy assistant records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,136 in Massachusetts → Every provider in Northampton → Physical Therapy Assistant nationwide →

The 8 physical therapy assistant records with the nearest ZIP codes

  1. James Callaway, PTANorthampton, MA 010601740062140
  2. Michelle Marroquin, PTANorthampton, MA 010601750163192
  3. Anne NilesNorthampton, MA 010601205254463
  4. Eleanor Vandergrift, PTAFlorence, MA 010621396163788
  5. Stacy PolitisMonson, MA 010571619394269
  6. Judith Shea, PTAMonson, MA 010571659714871
  7. Erica Dos SantosLudlow, MA 010561144617804
  8. Jared FluetLudlow, MA 010561306219886

Common questions

What is Jonathan Stiles, PTA's NPI number?

Jonathan Stiles, PTA's National Provider Identifier (NPI) is 1366223489, issued on Oct 13, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan Stiles, PTA located?

The NPPES record lists a practice address at 39 Carlon Dr, Northampton, MA, 01060. Phone: (413) 727-3315. Providers update this record themselves, so call before visiting.

How can I verify Jonathan Stiles, PTA's license?

NPPES lists Massachusetts license number 9909, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.