NPPES file of Aug 9, 2026

Lynn A. Demers, FNP-BC

Family Nurse Practitioner · Northampton, MA

Lynn A. Demers, FNP-BC is a family nurse practitioner with a practice address in Northampton, Massachusetts, and NPI 1407591431, issued on May 4, 2022. Check the license (Massachusetts RN2280071, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1407591431
Name
Lynn A. Demers
Credential
FNP-BC
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
RN2280071 MA
Self-reported in NPPES; status is on the state search
Practice location
51 Locust St Ste 3, Northampton, MA 01060
Phone
(413) 614-1112
Enumerated
May 4, 2022
Record last updated
Jun 30, 2025
Fax
(413) 614-1096
Medicare enrollment
Enrolled (PECOS I20250717000921); 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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Verify Lynn A. Demers 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 RN2280071
    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

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87% fewer Medicare Part D claims than the average family nurse practitioner in 2024

169 Medicare Part D claims for 94 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Lynn Demers169
  2. Specialty average1,305

Most prescribed

  1. Azithromycin27 claims
  2. Amoxicillin-Clavulanate Potass20 claims
  3. Prednisone18 claims
  4. Nitrofurantoin Mono-Macro13 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): 84.9 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.

  1. Qualityout of 100 · 30% of the final score73.4
  2. Costout of 100 · 30%98.3
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Lynn A. Demers among 4,724 family nurse practitioner records in Massachusetts

Lynn A. Demers, FNP-BC is one of 4,724 family nurse practitioner records with a practice address in Massachusetts. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 72% of them.

  • NPI issued2022 · 72% of these records are older, 21% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2021 · median 2019 among the 2,704 with a school on file
  • Record last updated2025 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

23 family nurse practitioner records list a practice address in Northampton

They are 23 of the 1,816 NPPES records with a practice address in Northampton, and 4,724 family nurse practitioner records in Massachusetts.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Marisela Fermin-Schon, MSN, FNP-CNorthampton, MA 010601568871325
  2. Glenda Flynn, NPNorthampton, MA 010601023030558
  3. Michelle Goulet, FNPNorthampton, MA 010601609847565
  4. Kate Hamilton, NPNorthampton, MA 010601346873304
  5. Jenifer Hanrahan, APRNNorthampton, MA 010601831383322
  6. Barbara Henrichon, RN MS APRN BC FNPNorthampton, MA 010601508051558
  7. Katherine Kelly, FNPNorthampton, MA 010601528307816
  8. Kelly Malone, FNP-BCNorthampton, MA 010601255880753

Common questions

What is Lynn A. Demers, FNP-BC's NPI number?

Lynn A. Demers, FNP-BC's National Provider Identifier (NPI) is 1407591431, issued on May 4, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Lynn A. Demers, FNP-BC located?

The NPPES record lists a practice address at 51 Locust St Ste 3, Northampton, MA, 01060. Phone: (413) 614-1112. Providers update this record themselves, so call before visiting.

How can I verify Lynn A. Demers, FNP-BC's license?

NPPES lists Massachusetts license number RN2280071, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Lynn A. Demers, FNP-BC prescribe under Medicare Part D?

In 2024, Lynn A. Demers, FNP-BC had 169 Medicare Part D claims for 94 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

What is Lynn A. Demers, FNP-BC's MIPS final score?

The 2023 MIPS final score is 84.9 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.