James Quirk, MD
NPI 1922106004 · Family Medicine Physician · Missoula, MT
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Quirk, MD is a Family Medicine Physician provider in Missoula, MT (NPI 1922106004).
Provider details
- NPI number
- 1922106004
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 10408 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 92 | 27 |
| Lisinopril | 50 | 13 |
| Tamsulosin Hcl | 50 | 12 |
| Levothyroxine Sodium | 45 | 13 |
| Pantoprazole Sodium | 39 | — |
| Amlodipine Besylate | 33 | 11 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-20
- Last updated
- 2015-06-17
Frequently asked questions
- What is James Quirk's NPI number?
- James Quirk's National Provider Identifier (NPI) is 1922106004, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Quirk's specialty?
- James Quirk is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Quirk located?
- James Quirk's practice location on file with NPPES is 2230 North Reserve St, Missoula, MT 59808.
- What is James Quirk's phone number?
- The practice phone number listed in the NPPES registry for James Quirk is (406) 721-0533.
- Does James Quirk accept Medicare?
- James Quirk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Quirk's NPI active?
- Yes — James Quirk's NPI (1922106004) is active in the NPPES registry as of the last update on 2015-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.