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

Katherine Kim Rossiter, FNP

Individual provider Family Nurse Practitioner · NPI 1386214716

Katherine Kim Rossiter, FNP is a Nurse Practitioner in Portland, Maine. Qualified in 2020, 6 years ago. Practices with Mercy Hospital, a 308-clinician group and accepts Medicare assignment. Licensed in Maine.

Years since qualifying
6
Licensed in
ME
In the registry since
2021
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

161 Marginal Way
Portland, ME 04101-2438
Phone: (207) 773-7964
Fax: (207) 773-9073
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence CNP201146 (ME)

Record details

NPI number1386214716
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedJune 28, 2021
Last updated in NPPESSeptember 13, 2022
Certification dateSeptember 13, 2022

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Mercy Hospital — 308 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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