NPPES file of Aug 9, 2026

Devon Gillis, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner · Portland, ME

Devon Gillis, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Portland, Maine, and NPI 1134673445, issued on Aug 4, 2016. Check the license (Maine CNP161068, 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 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134673445
Name
Devon Gillis
Credential
PMHNP-BC
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
CNP161068 ME
Self-reported in NPPES; status is on the state search
Practice location
22 Bramhall St, Portland, ME 04102
Phone
(207) 662-2416
Enumerated
Aug 4, 2016
Record last updated
Nov 30, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20160906001570); 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 22 Bramhall St

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

  1. Jessica Abbatiello, NP-CFamily Nurse Practitioner1871811737
  2. Ruslan Abdukalikov, DOAnesthesiology Physician1831694793
  3. Tod Abrahams, M.D.Diagnostic Radiology Physician1538231642
  4. Joshua Abrams, PA-CSurgical Physician Assistant1932832128
  5. Christopher Abruzzese, D.OAnesthesiology Physician1558789305
  6. Haley Acker, PA-CPhysician Assistant1972167377

Verify Devon Gillis 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 CNP161068
    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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The MIPS final score for 2023 (Medicare payment program): 98.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score86.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. MainehealthPortland, ME

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

Devon Gillis among 472 psychiatric/mental health nurse practitioner records in Maine

Devon Gillis, 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 2016, is newer than 43% of them.

  • NPI issued2016 · 43% of these records are older, 54% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2016 · median 2019 among the 303 with a school on file
  • Record last updated2020 · 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. Claudine Grange, PMHNPPortland, ME 041021912013442
  6. Barbara Howaniec, ANPPortland, ME 041021790878429
  7. Amy Liston, ANPPortland, ME 041021437242013
  8. Amy McAuliffe, NP, RNPortland, ME 041021427169978

Common questions

What is Devon Gillis, PMHNP-BC's NPI number?

Devon Gillis, PMHNP-BC's National Provider Identifier (NPI) is 1134673445, issued on Aug 4, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Devon Gillis, PMHNP-BC located?

The NPPES record lists a practice address at 22 Bramhall St, Portland, ME, 04102. Phone: (207) 662-2416. Providers update this record themselves, so call before visiting.

How can I verify Devon Gillis, PMHNP-BC's license?

NPPES lists Maine license number CNP161068, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.

What is Devon Gillis, PMHNP-BC's MIPS final score?

The 2023 MIPS final score is 98.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.