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MARISSA ANN BYRNE DNP, PMHNP-BC
NPI 1063292134
Nurse Practitioner - Psychiatric/Mental Health in Fargo, ND

Active since October 04, 2023Accepts Medicare Assignment
3788 55TH AVE S STE 205, FARGO, ND 58104(701) 205-4847(701) 540-0441 Get Directions Write a Review

NPPES record last updated: January 20, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 20, 2026, Oct 4, 2023 (2 updates tracked since 2023).

About Marissa Ann Byrne Dnp, Pmhnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARISSA ANN BYRNE DNP, PMHNP-BC (NPI 1063292134) is an individual psychiatric/mental health provider in Fargo, North Dakota, licensed in North Dakota (R46167) and active in the NPI registry since October 2023. She is a graduate of Other (2023).

NPPES Registry Identity

NPI1063292134
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMARISSA ANN BYRNECredential: DNP, PMHNP-BC
Location Address3788 55TH AVE S STE 205Fargo, ND 58104-5588
Mailing Address3788 55th Ave S Ste 205Fargo, ND 58104-5588 · (701) 205-4847 · Fax (701) 540-0441
Phone(701) 205-4847
Fax(701) 540-0441
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateOctober 4, 2023
Last NPPES UpdateJanuary 20, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 20, 2026
✔ NPI 1063292134 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in ND · R46167
Also ListedRegistered NurseTaxonomy 163W00000X · License R46167 (ND)
3788 55TH AVE S STE 205, Fargo, ND 58104
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of North Dakota, Sanford Health Plan.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

Marissa Ann Byrne Dnp, 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.

PECOS PAC ID9638511348
PECOS Enrollment IDI20240528000768, I20240711003488

Medicare Billing Reassignment

Medicare enrollment records show Marissa Byrne reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Solutions Behavioral Healthcare Professionals, PC
5.2 mi
Mental Health (Including Community Mental Health Center)
1547 30TH AVE S
Moorhead, MN 56560
  • Reassigned Medicare billing, Minnesota and North Dakota enrollments
  • 39 clinicians in this Medicare group
NPI 1801909239 (218) 287-4338

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 3

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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
29 services14 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
20 services12 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
17 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 58104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.71 typical visit price
range $55.75 – $168.12
Typical copayment $21.42 (range $13.93 – $42.03)
Most-billed visit code 99203
Established Patient
$98.29 typical visit price
range $18.11 – $137.65
Typical copayment $24.57 (range $4.52 – $34.41)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

INNER PEACE PSYCHIATRY
Nurse Practitioner (Psychiatric/Mental Health)
3788 55TH AVE S STE 205
FARGO, ND 58104
Cass County (701) 205-4847

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 Marissa Byrne's NPI number?

The NPI number for Marissa Byrne is 1063292134. It was assigned to this individual provider in the NPPES registry on October 4, 2023.

Where is Marissa Byrne located?

Marissa Byrne practices at 3788 55th Ave S Ste 205, Fargo, ND 58104. The listed phone number is (701) 205-4847.

What is Marissa Byrne's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Marissa Byrne enrolled in Medicare?

Yes. Marissa Byrne 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 organization bills Medicare for Marissa Byrne's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marissa Byrne reassigns Medicare benefits to Solutions Behavioral Healthcare Professionals, PC (Moorhead, MN). The 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 Marissa Byrne's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marissa Byrne accept?

Health plans from Blue Cross Blue Shield of North Dakota and Sanford Health Plan list Marissa Byrne 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 Marissa Byrne was last updated on January 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.