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

Mary Ann Harmon, APRN

Individual provider Nurse Practitioner · NPI 1477044824

Mary Ann Harmon, APRN is a Nurse Practitioner in North Haven, Connecticut. Qualified in 2017, 9 years ago. Practices with Yale University, a 2,618-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
9
Licensed in
CT
In the registry since
2018
What do these letters mean?
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.

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Practice location Address checks out

31 Broadway
North Haven, CT 06473-2304
Phone: (203) 234-7460
Fax: (203) 239-3047
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 954 Main St, Branford, CT 06405-3730 — (203) 481-0003
  • 46 Prince St Ste 601, New Haven, CT 06519-1634 — (203) 752-1726

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 7265 (CT)

Record details

NPI number1477044824
Entity typeIndividual (Type 1)
GenderFemale
Credentials APRN
Sole proprietorNo
NPI enumeratedMay 22, 2018
Last updated in NPPESMay 22, 2018
Mailing address31 Broadway, North Haven, CT 06473-2304

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Yale University — 2618 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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