Doctor profile · Federal record

Dr. McKinley Hallfrisch, PAC

Physician Assistant · Great Falls, MT

  • NPI 1588159701
  • Accepts Medicare
  • MIPS 87.3 / 100 · 2023
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1400 29Th St S
Great Falls, MT 59405
(406) 454-2171

Credentials & registration

NPPES · NUCC
NPI registered
June 2018 — 8 yrs on file
Profile last updated
September 26, 2018
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Montana #69115

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588159701. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,161
Distinct HCPCS
9
Medicare allowed
$72,495
HCPCS Description Services Patients Avg allowed
95004 Test for allergy using allergenic extract 3,036 41 $3
95024 Test for allergy using allergenic extract injected into skin 407 35 $6
99213 Established patient office or other outpatient visit, 20-29 minutes 215 146 $75
69210 Removal of impacted ear wax 156 113 $40
99214 Established patient office or other outpatient visit, 30-39 minutes 103 75 $106
99203 New patient office or other outpatient visit, 30-44 minutes 98 98 $95
99204 New patient office or other outpatient visit, 45-59 minutes 94 94 $138
31575 Diagnostic exam of voice box using a flexible endoscope 41 36 $111
92567 Test to assess middle ear function 11 11 $14

In context: peer comparison

Among 17 peers in Great Falls Physician Assistant, average services per provider: 123. This provider delivers 34× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$61
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Aerin Medical INC. 1 $21.65
Lilly USA, LLC 1 $21.00
Krystal Biotech INC 1 $18.48

By nature of payment

Food and Beverage
$61

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
356
Patients
204
Total drug cost
$10,830
Drug Type Claims Patients Total cost
Famotidine Generic 68 43 $1,078
Omeprazole Generic 60 33 $966
Ipratropium Bromide Generic 51 27 $2,451
Fluticasone Propionate Generic 35 21 $372
Montelukast Sodium Generic 31 12 $291
Cyclobenzaprine Hcl Generic 29 16 $205
Levothyroxine Sodium Generic 17 0 $273
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 15 15 $237
Epinephrine Generic 15 15 $3,891
Azelastine Hcl Generic 13 0 $311

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. McKinley Hallfrisch's medical specialty?
Dr. McKinley Hallfrisch practices Physician Assistant in Great Falls, MT.
Where does Dr. McKinley Hallfrisch practice?
Dr. McKinley Hallfrisch practices at 1400 29Th St S, Great Falls, MT 59405. Office phone: 4064542171.
What is Dr. McKinley Hallfrisch's NPI?
Dr. McKinley Hallfrisch's National Provider Identifier (NPI) is 1588159701, issued by NPPES.
Does Dr. McKinley Hallfrisch accept Medicare assignment?
Yes. Dr. McKinley Hallfrisch accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. McKinley Hallfrisch commonly perform?
Top Medicare-reported procedures in 2023: Test for allergy using allergenic extract (HCPCS 95004); Test for allergy using allergenic extract injected into skin (HCPCS 95024); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.