Melissa L. Barrieau

  • Southbridge, MA
  • Physician assistant
NPI1235795832PAC ID1153741491
Medicare patients, 2024
59
Part D claims, 2024
92
MIPS score, 2024
100
Hospital affiliations
1
Medical groups
2
Practice address
100 South Street, Southbridge, MA 01550
Practice phone
Call (508) 765-9771
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UMass Memorial Health - Harrington Hospital

Hospital · Southbridge, Massachusetts

See all 3 affiliations

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Melissa L. Barrieau is a physician assistant in Southbridge, Massachusetts

Melissa Barrieau practices at UMass Memorial Health - Harrington Hospital in Southbridge, Massachusetts, part of UMass Memorial Health Care.

Melissa Barrieau's NPI, 1235795832, was assigned on May 20, 2019.

NPI and contact details
Medicare PAC ID
1153741491
NPI enumeration date
May 20, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(508) 765-9771
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
33
Medical school graduation
2019

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Melissa L. Barrieau practices at UMass Memorial Health - Harrington Hospital in Southbridge, Massachusetts

Melissa Barrieau's primary practice is UMass Memorial Health - Harrington Hospital, at 100 South Street, Southbridge, MA 01550 in Worcester County. The practice phone is (508) 765-9771.

Source: Dmand AI Affiliation Data

Melissa L. Barrieau is affiliated with 1 site of care and 2 medical groups

Melissa Barrieau's primary practice is UMass Memorial Health - Harrington Hospital in Southbridge, Massachusetts, part of UMass Memorial Health Care. The medical group on file is UMass Memorial Medical Group. Dmand AI also links Melissa Barrieau to 1 more medical group, named with a free account.

See all 3 affiliations for Melissa Barrieau

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Melissa L. Barrieau's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Melissa Barrieau practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UMass Memorial Health - Harrington HospitalAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Melissa L. Barrieau is one of 3,922 physician assistants in Massachusetts

Physician assistant is Melissa Barrieau's primary specialty in the NPI Registry, under taxonomy code 363A00000X.

Specialties and state licenses

  • Physician assistantPrimarytaxonomy 363A00000X
  • Student in an organized health care education/training programtaxonomy 390200000X

Physician assistants near Melissa Barrieau

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Melissa L. Barrieau treated 59 Medicare patients in 2024, average age 71

CMS counts 59 Medicare patients who saw Melissa Barrieau in 2024. The largest group is 65 to 74, with 25 patients. 75% of them have high cholesterol, and 59% have high blood pressure. 22% are also on Medicaid. Their average risk score is 1.03, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Melissa Barrieau's median patient age at 55, with 62% women.

Medicare patients, 202459
Average age71
Average risk score1.03
Also on Medicaid22%

Melissa Barrieau's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Melissa Barrieau's Medicare patients by sex, 2024

  • Women3661%
  • Men2339%

Chronic conditions among Melissa Barrieau's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure59%
  3. Arthritis37%
  4. Anxiety29%
  5. Ischemic heart disease25%
  6. Mood disorders20%
  7. Heart failure19%

Share of Medicare patients with each condition. A patient can have several.

Melissa Barrieau's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 55

Patient panel by sex, all payers

  • Women62%
  • Men38%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Melissa L. Barrieau wrote 92 Medicare Part D claims in 2024

In 2024, Melissa Barrieau wrote 92 Medicare Part D claims for 78 patients. 96% of them were for generic drugs.

Part D claims, 202492
Part D patients78

Melissa Barrieau's Part D claims by kind of drug, 2024

  • Generic88 claims96%
  • Brand-name and other4 claims4%

Drug classes CMS tracks in Melissa Barrieau's Part D claims, 2024

  • Antibiotics58%53 of 92 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Melissa L. Barrieau scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Melissa Barrieau for performance year 2024, reported through an alternative payment model (APM). Melissa Barrieau accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Melissa Barrieau's MIPS scores, performance year 2024

  • 100of 100Final score
  • 83of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Sources for Melissa L. Barrieau's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Melissa L. Barrieau

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Melissa L. Barrieau's NPI number?

Melissa L. Barrieau's NPI number is 1235795832. It was assigned on May 20, 2019, and it is active in the NPI Registry.

What does Melissa L. Barrieau specialize in?

Melissa L. Barrieau is a physician assistant in Southbridge, Massachusetts. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Melissa L. Barrieau practice?

Melissa Barrieau practices at 100 South Street, Southbridge, MA 01550. Melissa Barrieau's primary practice is UMass Memorial Health - Harrington Hospital in Southbridge, Massachusetts, part of UMass Memorial Health Care. Dmand AI also links Melissa Barrieau to 1 medical group.

What is Melissa L. Barrieau's office phone number?

The practice phone on file for Melissa Barrieau is (508) 765-9771.

Which hospitals is Melissa L. Barrieau affiliated with?

Melissa Barrieau practices at UMass Memorial Health - Harrington Hospital in Southbridge, Massachusetts.

What medical group is Melissa L. Barrieau part of?

Melissa Barrieau is linked to UMass Memorial Medical Group. Dmand AI links Melissa Barrieau to 1 more medical group.

Does Melissa L. Barrieau accept Medicare?

Yes. CMS lists Melissa Barrieau as accepting Medicare assignment.

What is Melissa L. Barrieau's MIPS score?

Melissa Barrieau's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Melissa L. Barrieau see?

CMS counts 59 Medicare patients who saw Melissa Barrieau in 2024, with an average age of 71.

How long has Melissa L. Barrieau been practicing?

Melissa Barrieau graduated from medical school in 2019, 7 years ago.

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