NPPES file of Aug 9, 2026

Melissa M. Lariviere, PA

Medical Physician Assistant · Westfield, MA

Melissa M. Lariviere, PA is a medical physician assistant with a practice address in Westfield, Massachusetts, and NPI 1356438782, issued on Oct 6, 2006. Check the license (Massachusetts 2171, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1356438782
Name
Melissa M. Lariviere
Credential
PA
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
2171 MA
Self-reported in NPPES; status is on the state search
Practice location
115 W. Silver St, Westfield, MA 01085
Phone
(413) 568-2811
Enumerated
Oct 6, 2006
Record last updated
Jan 29, 2025
Fax
(413) 794-1767
Medicare enrollment
Enrolled (PECOS I20070628000138); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 115 W. Silver St

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

  1. Adrian Iusco, M.D.Internal Medicine Physician1316386360

Verify Melissa M. Lariviere 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 2171
    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
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96% fewer Medicare Part D claims than the average medical physician assistant in 2024

51 Medicare Part D claims for 26 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 17 claims were for opioids.

  1. Melissa Lariviere51
  2. Specialty average1,148

Most prescribed

  1. Oxycodone Hcl16 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.

Bills Medicare through one group practice

  1. Baystate Medical Practices IncSpringfield, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Melissa M. Lariviere among 886 medical physician assistant records in Massachusetts

Melissa M. Lariviere, PA is one of 886 medical 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 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 78% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2006 · median 2015 among the 559 with a school on file
  • Record last updated2025 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

17 medical physician assistant records list a practice address in Westfield

They are 17 of the 910 NPPES records with a practice address in Westfield, and 886 medical physician assistant records in Massachusetts.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Priscilla AmumaWestfield, MA 010851285497222
  2. Daniela Bataille, PAWestfield, MA 010851093115057
  3. Nicole Clemente, PA-CWestfield, MA 010851730941980
  4. Nicholas Fielding, PA-CWestfield, MA 010851821658022
  5. Jessica Grabowski, PA-CWestfield, MA 010851013326172
  6. Ashley Hoffman, PA-CWestfield, MA 010851770855256
  7. Dianne Lavoie, PA-CWestfield, MA 010851134469604
  8. Lynn Mutlu, PA-CWestfield, MA 010851780641548

Common questions

What is Melissa M. Lariviere, PA's NPI number?

Melissa M. Lariviere, PA's National Provider Identifier (NPI) is 1356438782, issued on Oct 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Melissa M. Lariviere, PA located?

The NPPES record lists a practice address at 115 W. Silver St, Westfield, MA, 01085. Phone: (413) 568-2811. Providers update this record themselves, so call before visiting.

How can I verify Melissa M. Lariviere, PA's license?

NPPES lists Massachusetts license number 2171, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Melissa M. Lariviere, PA prescribe under Medicare Part D?

In 2024, Melissa M. Lariviere, PA had 51 Medicare Part D claims for 26 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.