Melissa Barrieau
Physician Assistant · Oxford, MA
Melissa Barrieau is a physician assistant with a practice address in Oxford, Massachusetts, and NPI 1235795832, issued on May 20, 2019. Check the license with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Melissa Barrieau
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 78 Sutton Ave, Oxford, MA 01540
- Phone
- (508) 499-1760
- Enumerated
- May 20, 2019
- Record last updated
- Feb 1, 2023
- Medicare enrollment
- Enrolled (PECOS I20201026002247); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 78 Sutton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ryan ImelioPhysician Assistant1508634775
- Shellie Ray, NPNurse Practitioner1891136636
- Deborah Sullivan, MDFamily Medicine Physician1801874912
- Helen TangPhysician Assistant1710407036
- Erin Tooley, CNPNurse Practitioner1003500893
Verify Melissa Barrieau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average physician assistant in 2024
92 Medicare Part D claims for 78 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone13 claims
- Amoxicillin11 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 MIPS final score for 2023 (Medicare payment program): 97 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Umass Memorial Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Melissa Barrieau among 4,713 physician assistant records in Massachusetts
Melissa Barrieau 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 2019, is newer than 50% of them.
- NPI issued2019 · 50% of these records are older, 44% 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 updated2023 · 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 Oxford
They are 3 of the 101 NPPES records with a practice address in Oxford, and 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Oxford → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Ryan ImelioOxford, MA 015401508634775
- Helen TangOxford, MA 015401710407036
- Elena Grammatikakis, PARochdale, MA 015421508848896
- Odeta Hysenaj, PARochdale, MA 015421306835129
- Nicole CummingsRutland, MA 015431205636396
- Kara ColletteNorth Grafton, MA 015361104487909
- Erin O'Toole, PA-CNorth Grafton, MA 015361679547368
- Demetrios Carellas, PA-CShrewsbury, MA 015451568133072
Common questions
What is Melissa Barrieau's NPI number?
Melissa Barrieau's National Provider Identifier (NPI) is 1235795832, issued on May 20, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Melissa Barrieau located?
The NPPES record lists a practice address at 78 Sutton Ave, Oxford, MA, 01540. Phone: (508) 499-1760. Providers update this record themselves, so call before visiting.
How can I verify Melissa Barrieau's license?
Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Melissa Barrieau prescribe under Medicare Part D?
In 2024, Melissa Barrieau had 92 Medicare Part D claims for 78 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Melissa Barrieau's MIPS final score?
The 2023 MIPS final score is 97 of 100. 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.