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

Mrs. Leeanne S Mather, APRN

Individual provider Family Nurse Practitioner · NPI 1669722013

Mrs. Leeanne S Mather, APRN is a Nurse Practitioner in Portland, Maine. Qualified in 2012, 14 years ago. Practices with Core Physicians LLC, a 292-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Maine and New Hampshire.

Years since qualifying
14
Licensed in
ME, NH
In the registry since
2012
Specialties on file
2
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

161 Marginal Way
Portland, ME 04101-2438
Phone: (207) 773-7964
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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 CNP251652 (ME)
Nurse Practitioner Taxonomy 363L00000X · Licence 064302-23 (NH)

Record details

NPI number1669722013
Entity typeIndividual (Type 1)
GenderFemale
Credentials APRN
Sole proprietorNo
NPI enumeratedSeptember 13, 2012
Last updated in NPPESDecember 30, 2025
Certification dateDecember 30, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Core Physicians Llc — 292 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations6 on file with Medicare

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