Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

NASH JOHN HALLFRISCH PA-C
NPI 1184102162
Physician Assistant - Medical in Great Falls, MT

Q: What is Nash Hallfrisch's NPI number?

The NPI number for Nash Hallfrisch is 1184102162. It was assigned to this individual provider in the NPPES registry on August 1, 2018.

Q: What is Nash Hallfrisch's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Q: When was this NPI record last updated?

The NPPES record for Nash Hallfrisch was last updated on July 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days 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.

Active since August 01, 2018PECOS Enrolled

87.26/100

CMS Quality Rating

1400 29TH ST S, GREAT FALLS, MT 59405(406) 454-2171 Get Directions Write a Review

NPPES record last updated: July 21, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 21, 2026, Sep 20, 2022, Mar 20, 2020 and 3 more (6 updates tracked since 2018).

On this page

About Nash John Hallfrisch Pa-c NPPES

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

NASH JOHN HALLFRISCH PA-C (NPI 1184102162) is an individual medical provider in Great Falls, Montana, licensed in Montana (69159) and active in the NPI registry since August 2018. He is enrolled in Medicare PECOS, is affiliated with Benefis Hospitals Inc, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1184102162

Entity TypeIndividualMale

Primary Taxonomy363AM0700X

Provider Legal NameNASH JOHN HALLFRISCHCredential: PA-C

Location Address1400 29TH ST SGreat Falls, MT 59405-5315

Mailing Address1400 29th St SGreat Falls, MT 59405-5353 · (406) 454-2171

Phone(406) 454-2171

Sole ProprietorNo

Medical School CMSOtherGraduated 2018

Enumeration DateAugust 1, 2018

Last NPPES UpdateJuly 21, 20266 updates tracked since enumeration

NPPES CertifiedJuly 21, 2026

✔ NPI 1184102162 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363AM0700X

License✔ Licensed in MT · 69159

Also ListedClinic/Center · Primary CareTaxonomy 261QP2300X · License MED-PAC-LIC-69159 (MT)

1400 29TH ST S, Great Falls, MT 59405

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Nash John Hallfrisch Pa-c 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 ID5193063758

PECOS Enrollment IDI20190207000068

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.

Areas of Expertise CMS Part B claims 10

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 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.

670 services366 patients

Administration and interpretation of patient-focused health risk assessment 96160

This procedure involves a detailed evaluation of your health to identify potential risks. It includes analyzing your medical history, lifestyle habits, and family health history. The results are interpreted to provide a personalized plan to improve your health and prevent future issues.

341 services249 patients

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.

224 services191 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

127 services127 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

76 services61 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

72 services62 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Benefis Hospitals Inc

Acute Care Hospitals · Great Falls, MT

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number270012

Location1101 26th St SGreat Falls, MT 59405 · Cascade County

Emergency services Birthing friendly

Great Falls Clinic Hospital

Acute Care Hospitals · Great Falls, MT

5/5 CMS rating

OwnershipProprietary

CMS Certification Number270086

Location3010 15th Avenue SouthGreat Falls, MT 59405 · Cascade County

Emergency services

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.

87.26/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

82.97

Promoting Interoperability

85.91

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

2 suppliers12 claims12 services$79.42 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

JESSIE HARRIS

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