MACKENZIE BULLERJAHN LCSW
NPI 1528852464
Social Worker - Clinical in Grand Forks, ND

Active since April 07, 2025PECOS EnrolledAccepts Medicare Assignment
3674 S WASHINGTON ST, GRAND FORKS, ND 58201(701) 732-2538(701) 732-2501 Get Directions Write a Review

NPPES record last updated: January 22, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jan 22, 2026, Apr 7, 2025 (2 updates tracked since 2025).

About Mackenzie Bullerjahn Lcsw NPPES

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

MACKENZIE BULLERJAHN LCSW (NPI 1528852464) is an individual clinical provider in Grand Forks, North Dakota, licensed in New Jersey (44SC06185700) and active in the NPI registry since April 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1528852464
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMACKENZIE BULLERJAHNCredential: LCSW
Location Address3674 S WASHINGTON STGrand Forks, ND 58201-5766
Mailing AddressPo Box 5210Grand Forks, ND 58206-5210 · (701) 205-3000 · Fax (701) 732-2501
Fax(701) 732-2501
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateApril 7, 2025
Last NPPES UpdateJanuary 22, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 22, 2026
✔ NPI 1528852464 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in NJ · 44SC06185700
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
3674 S WASHINGTON ST, Grand Forks, ND 58201

Accepted 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

Mackenzie Bullerjahn Lcsw 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 ID1254842131
PECOS Enrollment IDI20250617003402, I20250721000987, I20250814004449, I20251006001000
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Mackenzie Bullerjahn reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
3674 S WASHINGTON ST
Grand Forks, ND 58201
  • Reassigned Medicare billing, Alaska, Minnesota, Montana and North Dakota enrollments
  • 70 clinicians in this Medicare group
Rehabilitation, Substance Use Disorder
7105 NE 40TH ST
Vancouver, WA 98661
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Bristol Bay Area Health Corporation
  • 360 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 58201 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
$0.00 typical visit price
range $55.75 – $168.12
Typical copayment $0.00 (range $13.93 – $42.03)
Most-billed visit code NA
Established Patient
$69.48 typical visit price
range $18.11 – $137.65
Typical copayment $17.37 (range $4.52 – $34.41)
Most-billed visit code 99213
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 20

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

Physician Assistant
3674 S WASHINGTON ST
GRAND FORKS, ND 58201
Nurse Practitioner (Psychiatric/Mental Health)
3674 S WASHINGTON ST
GRAND FORKS, ND 58201
Social Worker (Clinical)
3674 S WASHINGTON ST
GRAND FORKS, ND 58201
Social Worker (Clinical)
3674 S WASHINGTON ST
GRAND FORKS, ND 58201
Social Worker (Clinical)
3674 S WASHINGTON ST
GRAND FORKS, ND 58201
Social Worker (Clinical)
3674 S WASHINGTON ST
GRAND FORKS, ND 58201
Counselor (Professional)
3674 S WASHINGTON ST
GRAND FORKS, ND 58201
Physician Assistant
3674 S WASHINGTON ST
GRAND FORKS, ND 58201

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 Mackenzie Bullerjahn's NPI number?

The NPI number for Mackenzie Bullerjahn is 1528852464. It was assigned to this individual provider in the NPPES registry on April 7, 2025.

Where is Mackenzie Bullerjahn located?

Mackenzie Bullerjahn practices at 3674 S Washington St, Grand Forks, ND 58201. The listed phone number is (701) 732-2538.

What is Mackenzie Bullerjahn's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Mackenzie Bullerjahn enrolled in Medicare?

Yes. Mackenzie Bullerjahn 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 organizations bill Medicare for Mackenzie Bullerjahn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mackenzie Bullerjahn reassigns Medicare benefits to 2 organizations: Peterson Medical Clinics, LLC (Grand Forks, ND) and Cowlitz Indian Tribe (Vancouver, WA). Each 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 Mackenzie Bullerjahn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mackenzie Bullerjahn accept?

Health plans from Blue Cross Blue Shield of North Dakota, Blue Cross and Blue Shield of Montana, HealthPartners, Medica and Sanford Health Plan and 1 other insurer list Mackenzie Bullerjahn 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 Mackenzie Bullerjahn was last updated on January 22, 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.