Patrick Armstrong, PA-C
NPI 1063468015 · Physician Assistant · Chester, MT
Patrick Armstrong, PA-C is a Physician Assistant provider in Chester, MT (NPI 1063468015).
Provider details
- NPI number
- 1063468015
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 129 (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 tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 78 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 175 | 41 |
| Losartan Potassium | 174 | 39 |
| Rosuvastatin Calcium | 154 | 36 |
| Atorvastatin Calcium | 144 | 38 |
| Amlodipine Besylate | 132 | 30 |
| Metoprolol Succinate | 127 | 31 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-25
- Last updated
- 2024-02-19
- Certified
- 2024-02-19
Frequently asked questions
- What is Patrick Armstrong's NPI number?
- Patrick Armstrong's National Provider Identifier (NPI) is 1063468015, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patrick Armstrong's specialty?
- Patrick Armstrong is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Patrick Armstrong located?
- Patrick Armstrong's practice location on file with NPPES is 418 West Monroe, Chester, MT 59522.
- What is Patrick Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Patrick Armstrong is (406) 759-5181.
- Is Patrick Armstrong's NPI active?
- Yes — Patrick Armstrong's NPI (1063468015) is active in the NPPES registry as of the last update on 2024-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.