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MARK H JOHNSON PHD
NPI 1932100518
Clinical Neuropsychologist in Great Falls, MT

Active since August 09, 2005PECOS Enrolled
80.46/100
CMS Quality Rating
400 15TH AVE S STE 205, GREAT FALLS, MT 59405(406) 731-8888(406) 731-8876 Get Directions Write a Review

NPPES record last updated: April 8, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 8, 2024, Jul 21, 2022, Apr 2, 2021 (3 updates tracked since 2021).

About Mark H Johnson Phd NPPES

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

MARK H JOHNSON PHD (NPI 1932100518) is an individual clinical neuropsychologist in Great Falls, Montana, licensed in Montana (198) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1932100518
Entity TypeIndividualMale
Primary Taxonomy103G00000X
Provider Legal NameMARK H JOHNSONCredential: PHD
Location Address400 15TH AVE S STE 205Great Falls, MT 59405-4375
Mailing Address400 15th Ave S Ste 205Great Falls, MT 59405-4375 · (406) 731-8888 · Fax (406) 731-8876
Phone(406) 731-8888
Fax(406) 731-8876
Sole ProprietorNo
Enumeration DateAugust 9, 2005
Last NPPES UpdateApril 8, 20243 updates tracked since enumeration
NPPES CertifiedApril 8, 2024
✔ NPI 1932100518 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinical NeuropsychologistBehavioral Health & Social Service Providers
Taxonomy Code103G00000X
License✔ Licensed in MT · 198
Definition
A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.
Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License 198 (MT)
400 15TH AVE S STE 205, Great Falls, MT 59405
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark H Johnson Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

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

Benefis Hospitals Inc
1.7 mi
Multi-Specialty
1401 25TH ST S
Great Falls, MT 59405
  • Reassigned Medicare billing, Montana enrollment
  • 637 clinicians in this Medicare group
NPI 1780968974 (406) 455-5000

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

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.

Psychotherapy, 45 minutes 90834
Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.
114 services19 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

80.46/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality93.1
Promoting Interoperability75
Improvement Activities40
Cost62.61

Other Providers at the Same Location NPPES 4

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

STEPHANIE LARSON BURCUSA PHD
Psychologist (Clinical)
400 15TH AVE S STE 205
GREAT FALLS, MT 59405
Cascade County (406) 731-8888
MIRA LUTZ
Marriage & Family Therapist
400 15TH AVE S STE 205
GREAT FALLS, MT 59405
Cascade County (406) 455-2760
BROOK ELIZABETH CLARK PH.D.
Psychologist
400 15TH AVE S STE 205
GREAT FALLS, MT 59405
Cascade County (406) 731-8888
RENNAE I JOHNSON PH D
Psychologist (Clinical)
400 15TH AVE S STE 205
GREAT FALLS, MT 59405
Cascade County (406) 731-8888

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 Mark Johnson's NPI number?

The NPI number for Mark Johnson is 1932100518. It was assigned to this individual provider in the NPPES registry on August 9, 2005.

Where is Mark Johnson located?

Mark Johnson practices at 400 15th Ave S Ste 205, Great Falls, MT 59405. The listed phone number is (406) 731-8888.

What is Mark Johnson's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

Is Mark Johnson enrolled in Medicare?

Yes. Mark Johnson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mark Johnson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Johnson reassigns Medicare benefits to Benefis Hospitals Inc (Great Falls, MT). 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 Mark Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mark Johnson was last updated on April 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.