SHANNON BARNICLE PMHNP-BC
NPI 1447877352
Nurse Practitioner - Psychiatric/Mental Health in Portland, ME
About Shannon Barnicle Pmhnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHANNON BARNICLE PMHNP-BC (NPI 1447877352) is an individual psychiatric/mental health provider in Portland, Maine, licensed in Maine (CNP211398) and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS, maintains 5 additional practice locations, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 5
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Shannon Barnicle Pmhnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Shannon Barnicle reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, ME 04102
- Reassigned Medicare billing, Maine enrollment
- 322 clinicians in this Medicare group
Mount Desert, ME 04660
- Reassigned Medicare billing, Maine enrollment
- 8 clinicians in this Medicare group
Bangor, ME 04401
- Reassigned Medicare billing, Maine enrollment
- 348 clinicians in this Medicare group
Montgomery, AL 36117
- Reassigned Medicare billing, South Carolina enrollment
- 56 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04102 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORTLAND, ME 04102
PORTLAND, ME 04102
PORTLAND, ME 04102
PORTLAND, ME 04102
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Shannon Barnicle's NPI number?
The NPI number for Shannon Barnicle is 1447877352. It was assigned to this individual provider in the NPPES registry on June 26, 2020.
Where is Shannon Barnicle located?
Shannon Barnicle practices at 175 Fore River Pkwy, Portland, ME 04102. The listed phone number is (207) 553-6105.
What is Shannon Barnicle's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Shannon Barnicle enrolled in Medicare?
Yes. Shannon Barnicle is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Shannon Barnicle's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shannon Barnicle reassigns Medicare benefits to 4 organizations: Mercy Hospital (Portland, ME), Acadia Psychiatry PLLC (Mount Desert, ME), Acadia Hospital Corp (Bangor, ME) and River Region Psychiatry Associates LLC (Montgomery, AL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Shannon Barnicle's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Shannon Barnicle accept?
Health plans from Anthem Blue Cross and Blue Shield, BlueCross BlueShield of South Carolina, Harvard Pilgrim Health Care and UnitedHealthcare list Shannon Barnicle as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Shannon Barnicle was last updated on March 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Shannon Barnicle, PMHNP-BC · NPI 1447877352
Psychiatric/Mental Health physician in Portland, Maine. Individual provider, active in the CMS NPPES registry since June 26, 2020.
## Identity
- **NPI:** 1447877352 (Entity type: Individual)
- **Enumerated:** June 26, 2020
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** CNP211398 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 175 FORE RIVER PKWY, Portland, ME 04102-2779
- **Phone:** (207) 553-6105
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Mercy Hospital (NPI 1629078712, Portland, ME); Acadia Psychiatry PLLC (NPI 1548031834, Mount Desert, ME); Acadia Hospital Corp (NPI 1215940523, Bangor, ME); River Region Psychiatry Associates LLC (NPI 1386891497, Montgomery, AL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** March 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1447877352) · Data from the CMS NPPES public registry.