Nash Hallfrisch, PA-C
NPI 1184102162 · Medical Physician Assistant · Great Falls, MT
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nash Hallfrisch, PA-C is a Medical Physician Assistant provider in Great Falls, MT (NPI 1184102162).
Provider details
- NPI number
- 1184102162
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 69159 (MT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,269 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 700 | $14 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 670 | $107 |
| Administration and Interpretation of Patient-Focused Health Risk Assessment96160 | 341 | $2 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 224 | $151 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 127 | $109 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 109 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 492 | 148 |
| Amlodipine Besylate | 458 | 133 |
| Levothyroxine Sodium | 391 | 93 |
| Losartan Potassium | 382 | 105 |
| Lisinopril | 360 | 99 |
| Omeprazole | 321 | 91 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,047 across 50 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-08-01
- Last updated
- 2022-09-20
- Certified
- 2022-09-20
Frequently asked questions
- What is Nash Hallfrisch's NPI number?
- Nash Hallfrisch's National Provider Identifier (NPI) is 1184102162, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nash Hallfrisch's specialty?
- Nash Hallfrisch is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nash Hallfrisch located?
- Nash Hallfrisch's practice location on file with NPPES is 1400 29th St S, Great Falls, MT 59405-5315.
- What is Nash Hallfrisch's phone number?
- The practice phone number listed in the NPPES registry for Nash Hallfrisch is (406) 454-2171.
- Does Nash Hallfrisch accept Medicare?
- Nash Hallfrisch is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nash Hallfrisch's NPI active?
- Yes — Nash Hallfrisch's NPI (1184102162) is active in the NPPES registry as of the last update on 2022-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.