Laura Duffy, FNP
Family Nurse Practitioner · Greenfield, MA
Laura Duffy, FNP is a family nurse practitioner with a practice address in Greenfield, Massachusetts, and NPI 1427502335, issued on Aug 9, 2016. Check the license (Massachusetts RN232725, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Laura Duffy
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- RN232725 MA
Self-reported in NPPES; status is on the state search - Practice location
- 329 Conway St, Greenfield, MA 01301
- Phone
- (413) 774-6301
- Enumerated
- Aug 9, 2016
- Record last updated
- Apr 30, 2024
- Fax
- (866) 644-0871
- Medicare enrollment
- Enrolled (PECOS I20160928001644); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Also registered at 329 Conway St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jessica Biggie, MDFamily Medicine Physician1689649584
Verify Laura Duffy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN232725Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.3 times the Medicare Part D claims of the average family nurse practitioner in 2024
6,904 Medicare Part D claims for 484 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 425 claims were for opioids.
Most prescribed
- Lisinopril348 claims
- Levothyroxine Sodium257 claims
- Atorvastatin Calcium254 claims
- Gabapentin247 claims
- Losartan Potassium239 claims
- Omeprazole234 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
- Valley Medical Group PCGreenfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Laura Duffy among 4,724 family nurse practitioner records in Massachusetts
Laura Duffy, FNP 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 2016, is newer than 39% of them.
- NPI issued2016 · 39% of these records are older, 56% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2016 · median 2019 among the 2,704 with a school on file
- Record last updated2024 · 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).
37 family nurse practitioner records list a practice address in Greenfield
They are 37 of the 1,251 NPPES records with a practice address in Greenfield, and 4,724 family nurse practitioner records in Massachusetts.
All 4,724 in Massachusetts → Every provider in Greenfield → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Justyna Arcoleo, FNP/DNPGreenfield, MA 013011316215312
- Kathryn Aubry-McAvoy, NPGreenfield, MA 013011912130642
- Katie Costa, NPGreenfield, MA 013011083961684
- Rachel Katz, NPGreenfield, MA 013011194997684
- Wm Levine, FNPGreenfield, MA 013011407826712
- Yvonne Looman, NPGreenfield, MA 013011447513825
- Lisa Miller, FNPGreenfield, MA 013011932171329
- Cheryl Pascucci, NPGreenfield, MA 013011255315073
Common questions
What is Laura Duffy, FNP's NPI number?
Laura Duffy, FNP's National Provider Identifier (NPI) is 1427502335, issued on Aug 9, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Laura Duffy, FNP located?
The NPPES record lists a practice address at 329 Conway St, Greenfield, MA, 01301. Phone: (413) 774-6301. Providers update this record themselves, so call before visiting.
How can I verify Laura Duffy, FNP's license?
NPPES lists Massachusetts license number RN232725, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Laura Duffy, FNP prescribe under Medicare Part D?
In 2024, Laura Duffy, FNP had 6,904 Medicare Part D claims for 484 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.