Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Sarah Duffy

Individual provider Family Nurse Practitioner · NPI 1528761616

Sarah Duffy is a Nurse Practitioner in Danvers, Massachusetts. Qualified in 2023, 3 years ago. Practices with Middleton Family Medicine Urgent Care LLC, a 74-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
3
Licensed in
MA
In the registry since
2023
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Practice location Address checks out

99 Conifer Hill Dr
Danvers, MA 01923-1193
Phone: (978) 774-2555
Fax: (978) 774-8715
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 147 S Main St, Middleton, MA 01949-2446 — (978) 774-2555

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence RN2337477 (MA)

Record details

NPI number1528761616
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedMarch 27, 2023
Last updated in NPPESDecember 2, 2025
Certification dateDecember 2, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Middleton Family Medicine Urgent Care Llc — 74 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients23
Services billed 53 a service is one billed item, such as a visit, a test or a procedure
Average patient age69

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Middleton Family Medicine Urgent Care LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 74 clinicians in the practice; 12 are shown here.

Other providers in Danvers