Claire Frost, M.D.
NPI 1235571993 · Family Medicine Physician · Missoula, MT
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Claire Frost, M.D. is a Family Medicine Physician provider in Missoula, MT (NPI 1235571993).
Provider details
- NPI number
- 1235571993
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD 60587328 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
790 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 281 | $97 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 136 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 129 | $16 |
| 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 | 74 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 44 | $81 |
| Administration of Influenza Virus Vaccine |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 65 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 217 | 55 |
| Atorvastatin Calcium | 205 | 54 |
| Amlodipine Besylate | 110 | 32 |
| Lisinopril | 109 | 33 |
| Losartan Potassium | 89 | 28 |
| Omeprazole | 82 | 18 |
| Potassium Chloride | 54 |
Practice location
Mailing address
Additional practice locations (2)
- 500 W Broadway St Fl 4Missoula, MT 59802-4008Phone: (406) 327-1900Fax: (406) 327-1974
- 1909 214th St SeBothell, WA 98021-4412Phone: (425) 412-7200
Registry dates
- Enumerated
- 2013-07-23
- Last updated
- 2019-12-06
Frequently asked questions
- What is Claire Frost's NPI number?
- Claire Frost's National Provider Identifier (NPI) is 1235571993, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Claire Frost's specialty?
- Claire Frost is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Claire Frost located?
- Claire Frost's practice location on file with NPPES is 1211 S Reserve St Ste 101, Missoula, MT 59801-3103.
- What is Claire Frost's phone number?
- The practice phone number listed in the NPPES registry for Claire Frost is (406) 327-3057.
- Does Claire Frost accept Medicare?
- Claire Frost is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Claire Frost's NPI active?
- Yes — Claire Frost's NPI (1235571993) is active in the NPPES registry as of the last update on 2019-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.