NPPES file of Aug 9, 2026

Marissa Ann Byrne, DNP, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner · Fargo, ND

Marissa Ann Byrne, DNP, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Fargo, North Dakota, and NPI 1063292134, issued on Oct 4, 2023. Check the license (North Dakota R46167, as entered in NPPES) with the North Dakota 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
1063292134
Name
Marissa Ann Byrne
Credential
DNP, PMHNP-BC
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
R46167 ND
Self-reported in NPPES; status is on the state search
Practice location
3788 55TH Ave S Ste 205, Fargo, ND 58104
Phone
(701) 205-4847
Enumerated
Oct 4, 2023
Record last updated
Jan 20, 2026
Fax
(701) 540-0441
Medicare enrollment
Enrolled (PECOS I20240528000768); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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Verify Marissa Ann Byrne in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich North Dakota board licenses this profession
    Search for license R46167
    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 North Dakota license search

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51% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

442 Medicare Part D claims for 30 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Marissa Byrne442
  2. Specialty average906

Most prescribed

  1. Dextroamphetamine-Amphet Er27 claims
  2. Dextroamphetamine-Amphetamine26 claims
  3. Fluoxetine Hcl23 claims
  4. Bupropion Xl22 claims
  5. Lithium Carbonate22 claims
  6. Oxcarbazepine21 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.

Bills Medicare through one group practice

  1. Solutions Behavioral Healthcare Professionals PCMoorhead, MN

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

Marissa Ann Byrne among 153 psychiatric/mental health nurse practitioner records in North Dakota

Marissa Ann Byrne, DNP, PMHNP-BC is one of 153 psychiatric/mental health nurse practitioner records with a practice address in North Dakota. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 57% of them.

  • NPI issued2023 · 57% of these records are older, 35% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2023 · median 2022 among the 110 with a school on file
  • Record last updated2026 · 14% 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 North Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatric/Mental Health Nurse Practitioner providers in North Dakota

There are 153 psychiatric/mental health nurse practitioner records in North Dakota.

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

  1. Jordyn BuckmierFargo, ND 581041336984848
  2. Timothy Etonde, DNPFargo, ND 581041811787666
  3. Susan Herberg, APRN, PMHNP-BCFargo, ND 581041700502309
  4. Courtney Miller, PMHNP-BCFargo, ND 581041790347268
  5. Viola Nwachukwu, NPFargo, ND 581041649901349
  6. Andrea Okerstrom, PMHNPFargo, ND 581041689352056
  7. Heather Pfaff, PMHNP-BCFargo, ND 581041871389825
  8. Brianna SolumFargo, ND 581041831024793

Common questions

What is Marissa Ann Byrne, DNP, PMHNP-BC's NPI number?

Marissa Ann Byrne, DNP, PMHNP-BC's National Provider Identifier (NPI) is 1063292134, issued on Oct 4, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Marissa Ann Byrne, DNP, PMHNP-BC located?

The NPPES record lists a practice address at 3788 55TH Ave S Ste 205, Fargo, ND, 58104. Phone: (701) 205-4847. Providers update this record themselves, so call before visiting.

How can I verify Marissa Ann Byrne, DNP, PMHNP-BC's license?

NPPES lists North Dakota license number R46167, as entered by the provider. Search the North Dakota board that licenses this profession; the NPPES record confirms identity only.

How much does Marissa Ann Byrne, DNP, PMHNP-BC prescribe under Medicare Part D?

In 2024, Marissa Ann Byrne, DNP, PMHNP-BC had 442 Medicare Part D claims for 30 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.