NPPES file of Aug 9, 2026

Shannon Barnicle, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner · Portland, ME

Shannon Barnicle, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Portland, Maine, and NPI 1447877352, issued on Jun 26, 2020. Check the license (Maine CNP211398, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1447877352
Name
Shannon Barnicle
Credential
PMHNP-BC
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
CNP211398 ME
Self-reported in NPPES; status is on the state search
Practice location
175 Fore River Pkwy, Portland, ME 04102
Phone
(207) 553-6105
Enumerated
Jun 26, 2020
Record last updated
Mar 24, 2026
Medicare enrollment
Enrolled (PECOS I20220324001444); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 175 Fore River Pkwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Emily Anderson, NPNeonatal Nurse Practitioner1952960171
  2. Katherine Badger, MDFamily Medicine Physician1083281224
  3. Cole BarskiCertified Registered Nurse Anesthetist1043930910
  4. Ari Berman, MDInternal Medicine Physician1225015829
  5. Kirsten Berman, M.D.Internal Medicine Physician1043280431
  6. Margaret Bolognia, PMHNPPsychiatric/Mental Health Nurse Practitioner1043195415

Verify Shannon Barnicle in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maine board licenses this profession
    Search for license CNP211398
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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97% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

27 Medicare Part D claims for 17 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Shannon Barnicle27
  2. Specialty average906

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 2 group practices

  1. Acadia Psychiatry PLLCMount Desert, ME
  2. Mercy HospitalPortland, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Shannon Barnicle among 472 psychiatric/mental health nurse practitioner records in Maine

Shannon Barnicle, PMHNP-BC is one of 472 psychiatric/mental health nurse practitioner records with a practice address in Maine. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 60% of them.

  • NPI issued2020 · 60% of these records are older, 35% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2021 · median 2019 among the 303 with a school on file
  • Record last updated2026 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

71 psychiatric/mental health nurse practitioner records list a practice address in Portland

They are 71 of the 6,022 NPPES records with a practice address in Portland, and 472 psychiatric/mental health nurse practitioner records in Maine.

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Cheryl Drda, ARNPPortland, ME 041021871812107
  2. Heather Emerson, PMH NPPortland, ME 041021528152956
  3. Madeleine Garmey, NPPortland, ME 041021508876343
  4. Leslie Gatcombe-Hynes, APRN, ADULT PMHNP-BCPortland, ME 041021265441018
  5. Devon Gillis, PMHNP-BCPortland, ME 041021134673445
  6. Claudine Grange, PMHNPPortland, ME 041021912013442
  7. Barbara Howaniec, ANPPortland, ME 041021790878429
  8. Amy Liston, ANPPortland, ME 041021437242013

Common questions

What is Shannon Barnicle, PMHNP-BC's NPI number?

Shannon Barnicle, PMHNP-BC's National Provider Identifier (NPI) is 1447877352, issued on Jun 26, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Shannon Barnicle, PMHNP-BC located?

The NPPES record lists a practice address at 175 Fore River Pkwy, Portland, ME, 04102. Phone: (207) 553-6105. Providers update this record themselves, so call before visiting.

How can I verify Shannon Barnicle, PMHNP-BC's license?

NPPES lists Maine license number CNP211398, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.

How much does Shannon Barnicle, PMHNP-BC prescribe under Medicare Part D?

In 2024, Shannon Barnicle, PMHNP-BC had 27 Medicare Part D claims for 17 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.