Sarah Duffy
Family Nurse Practitioner · Danvers, MA
Sarah Duffy is a family nurse practitioner with a practice address in Danvers, Massachusetts, and NPI 1528761616, issued on Mar 27, 2023. Check the license (Massachusetts RN2337477, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sarah Duffy
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- RN2337477 MA
Self-reported in NPPES; status is on the state search - Practice location
- 99 Conifer Hill Dr, Danvers, MA 01923
- Phone
- (978) 774-2555
- Enumerated
- Mar 27, 2023
- Record last updated
- Dec 2, 2025
- Fax
- (978) 774-8715
- Medicare enrollment
- Enrolled (PECOS I20230811002119); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Also registered at 99 Conifer Hill Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katelynne Abbott, NPFamily Nurse Practitioner1932355880
- Savanah Alas-Ruiz, NPFamily Nurse Practitioner1649793456
- Mark Allara, MDFamily Medicine Physician1659457984
- Jennifer BartlettPsychiatric/Mental Health Nurse Practitioner1366144826
- Henry Beauparlant, M.D.Emergency Medicine Physician1285603415
- Emily BoothFamily Nurse Practitioner1518747948
Verify Sarah 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 RN2337477Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average family nurse practitioner in 2024
521 Medicare Part D claims for 202 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Amoxicillin-Clavulanate Potass37 claims
- Prednisone32 claims
- Gabapentin31 claims
- Fluticasone Propionate26 claims
- Escitalopram Oxalate24 claims
- Azithromycin20 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.
Industry payments in 2024: $116.27
2 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Middleton Family Medicine Urgent Care LLCMiddleton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Duffy among 4,724 family nurse practitioner records in Massachusetts
Sarah Duffy 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 2023, is newer than 79% of them.
- NPI issued2023 · 79% of these records are older, 14% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2023 · 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).
56 family nurse practitioner records list a practice address in Danvers
They are 56 of the 2,058 NPPES records with a practice address in Danvers, and 4,724 family nurse practitioner records in Massachusetts.
All 4,724 in Massachusetts → Every provider in Danvers → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Katelynne Abbott, NPDanvers, MA 019231932355880
- Vivian Bennett, NPDanvers, MA 019231700960796
- Laura Berry White, MSN, APRN, FNP-BCDanvers, MA 019231083038343
- Barbara Blandford, M.S., A.P.R.N.CDanvers, MA 019231588797955
- Nicole Brown, OTR, NP-CDanvers, MA 019231376747907
- Carrie Cannon, NPDanvers, MA 019231346442936
- Karra Cheever, NPDanvers, MA 019231083992622
- Alison Foster, NPDanvers, MA 019231902989403
Common questions
What is Sarah Duffy's NPI number?
Sarah Duffy's National Provider Identifier (NPI) is 1528761616, issued on Mar 27, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Duffy located?
The NPPES record lists a practice address at 99 Conifer Hill Dr, Danvers, MA, 01923. Phone: (978) 774-2555. Providers update this record themselves, so call before visiting.
How can I verify Sarah Duffy's license?
NPPES lists Massachusetts license number RN2337477, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Sarah Duffy prescribe under Medicare Part D?
In 2024, Sarah Duffy had 521 Medicare Part D claims for 202 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.