NPPES file of Aug 9, 2026

Dawn Mariecallahan McElwain, APRN

Psychiatric/Mental Health Nurse Practitioner · Norway, ME

Dawn Mariecallahan McElwain, APRN is a psychiatric/mental health nurse practitioner with a practice address in Norway, Maine, and NPI 1316550429, issued on Aug 28, 2020. Check the license (Maine CNP201358, 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 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1316550429
Name
Dawn Mariecallahan McElwain
Credential
APRN
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
CNP201358 ME
Self-reported in NPPES; status is on the state search
Practice location
180 Main St, Norway, ME 04268
Phone
(207) 232-2583
Enumerated
Aug 28, 2020
Record last updated
Jun 27, 2023
Medicare enrollment
Enrolled (PECOS I20201113000686); accepts Medicare assignment
Medical or professional school
Drexel University College Of Medicine, 2020
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 180 Main St

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

  1. Katherine Case, MSWClinical Social Worker1134478720
  2. Michelle Cervone, LCSWClinical Social Worker1982887899
  3. Garrett Harthorne, MSPTPhysical Therapist1467676304
  4. Carol Lundberg, LCSWClinical Social Worker1649582990
  5. Maria Pousson, LCPCMental Health Counselor1669790945
  6. Jayne Van Tol, CRNACertified Registered Nurse Anesthetist1235180795

Verify Dawn Mariecallahan McElwain 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 CNP201358
    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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63% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

333 Medicare Part D claims for 27 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Dawn McElwain333
  2. Specialty average906

Most prescribed

  1. Lorazepam31 claims
  2. Mirtazapine28 claims
  3. Buspirone Hcl24 claims
  4. Vyvanse19 claims
  5. Dextroamphetamine-Amphetamine18 claims
  6. Trazodone Hcl18 claims

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.

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. Health Affiliates Maine, LLCAuburn, ME

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

Dawn Mariecallahan McElwain among 472 psychiatric/mental health nurse practitioner records in Maine

Dawn Mariecallahan McElwain, APRN 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
  • Graduated2020 · median 2019 among the 303 with a school on file
  • Record last updated2023 · 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).

4 psychiatric/mental health nurse practitioner records list a practice address in Norway

They are 4 of the 272 NPPES records with a practice address in Norway, and 472 psychiatric/mental health nurse practitioner records in Maine.

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

  1. Michelle Apostol, PMHNP-BCNorway, ME 042681457203978
  2. Betsy Koplin, PMHNPNorway, ME 042681306679873
  3. Chester Richardson, APRNNorway, ME 042681740058874
  4. Miles Brookes, PMH-NPLeeds, ME 042631013161066
  5. Brianna Palmer, PMHNP-BCLeeds, ME 042631295587509
  6. Erin Haynes, FPMHNPPoland, ME 042741275848871
  7. Brent TodorichPoland, ME 042741881512846
  8. Carlton Spotswood, PMHNPTurner, ME 042821942973722

Common questions

What is Dawn Mariecallahan McElwain, APRN's NPI number?

Dawn Mariecallahan McElwain, APRN's National Provider Identifier (NPI) is 1316550429, issued on Aug 28, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Dawn Mariecallahan McElwain, APRN located?

The NPPES record lists a practice address at 180 Main St, Norway, ME, 04268. Phone: (207) 232-2583. Providers update this record themselves, so call before visiting.

How can I verify Dawn Mariecallahan McElwain, APRN's license?

NPPES lists Maine license number CNP201358, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.

How much does Dawn Mariecallahan McElwain, APRN prescribe under Medicare Part D?

In 2024, Dawn Mariecallahan McElwain, APRN had 333 Medicare Part D claims for 27 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.

What is Dawn Mariecallahan McElwain, APRN'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.