Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Shannon Barnicle, PMHNP-BC

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1447877352

Shannon Barnicle, PMHNP-BC is a Nurse Practitioner in Portland, Maine. Qualified in 2021, 5 years ago. Practices with Acadia Psychiatry PLLC, a 6-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Maine.

Years since qualifying
5
Licensed in
ME
In the registry since
2020
What do these letters mean?
PMHNP-BC — Psychiatric-Mental Health Nurse Practitioner, Board Certified
A board-certified psychiatric nurse practitioner.

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Practice location Address checks out

175 Fore River Pkwy
Portland, ME 04102-2779
Phone: (207) 553-6105
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 424 Main St Ste 1, Westbrook, ME 04092-4385 — (207) 424-0750

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence CNP211398 (ME)

Record details

NPI number1447877352
Entity typeIndividual (Type 1)
GenderFemale
Credentials PMHNP-BC
Sole proprietorNo
NPI enumeratedJune 26, 2020
Last updated in NPPESMarch 24, 2026
Certification dateMarch 24, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Acadia Psychiatry Pllc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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