Kayla Mailloux, PA-C
Physician Assistant · Westfield, MA
Kayla Mailloux, PA-C is a physician assistant with a practice address in Westfield, Massachusetts, and NPI 1558994772, issued on Feb 17, 2020. Check the license (Massachusetts PA7381, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kayla Mailloux
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA7381 MA
Self-reported in NPPES; status is on the state search - Practice location
- 65 Springfield RD Ste 2, Westfield, MA 01085
- Phone
- (413) 562-8306
- Enumerated
- Feb 17, 2020
- Record last updated
- Sep 16, 2024
- Medicare enrollment
- Enrolled (PECOS I20200929003376); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 65 Springfield RD Ste 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie Ott, PAPhysician Assistant1730638651
Verify Kayla Mailloux in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PA7381Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% more Medicare Part D claims than the average physician assistant in 2024
1,581 Medicare Part D claims for 786 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl437 claims
- Finasteride189 claims
- Methenamine Hippurate104 claims
- Oxybutynin Chloride Er78 claims
- Alfuzosin Hcl Er71 claims
- Myrbetriq65 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $408.94
13 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. 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
- Women's Health Associates OF Western MA Inc.Westfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kayla Mailloux among 4,713 physician assistant records in Massachusetts
Kayla Mailloux, 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 2020, is newer than 56% of them.
- NPI issued2020 · 56% of these records are older, 37% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2019 · median 2019 among the 3,217 with a school on file
- Record last updated2024 · 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).
23 physician assistant records list a practice address in Westfield
They are 23 of the 910 NPPES records with a practice address in Westfield, and 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Westfield → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Karen Akuffo, PAWestfield, MA 010851245041300
- Helen Chow, PA-CWestfield, MA 010851073375184
- Alexandra FruwirthWestfield, MA 010851053979443
- Alison Giuliano, PAWestfield, MA 010851811948532
- Nathaniel HumphriesWestfield, MA 010851518841626
- Marybeth Kelly, PACWestfield, MA 010851235139130
- Edward KrajkowskiWestfield, MA 010851629881032
- Jodi Maniscalco, PAWestfield, MA 010851013955509
Common questions
What is Kayla Mailloux, PA-C's NPI number?
Kayla Mailloux, PA-C's National Provider Identifier (NPI) is 1558994772, issued on Feb 17, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Kayla Mailloux, PA-C located?
The NPPES record lists a practice address at 65 Springfield RD Ste 2, Westfield, MA, 01085. Phone: (413) 562-8306. Providers update this record themselves, so call before visiting.
How can I verify Kayla Mailloux, PA-C's license?
NPPES lists Massachusetts license number PA7381, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Kayla Mailloux, PA-C prescribe under Medicare Part D?
In 2024, Kayla Mailloux, PA-C had 1,581 Medicare Part D claims for 786 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Kayla Mailloux, PA-C's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.