Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

MS. Mary Elizabeth Duffy, DNPC, FNP

Individual provider Family Nurse Practitioner · NPI 1851534671

MS. Mary Elizabeth Duffy, DNPC, FNP is a Family Nurse Practitioner in Hoboken, New Jersey. Works from 2 locations. Licensed in New Jersey and New York.

Licensed in
NJ, NY
In the registry since
2009
Specialties on file
4
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

221 River St Ste 9
Hoboken, NJ 07030-5990
Phone: (646) 941-7645
Fax: (929) 596-7897
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 177 Fort Washington Ave Fl 7, New York, NY 10032-3733 — (212) 305-0407

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 26NJ00136400 (NJ)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 26NJ00136400 (NJ)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence F332093 (NY)
Acute Care Nurse Practitioner Taxonomy 363LA2100X · Licence F430651 (NY)

Record details

NPI number1851534671
Entity typeIndividual (Type 1)
GenderFemale
Credentials DNPC , FNP
Sole proprietorNo
NPI enumeratedApril 8, 2009
Last updated in NPPESJuly 22, 2026
Certification dateJuly 22, 2026

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