Ariel Fillmore, MD
Family Medicine Physician · Missoula, MT
Ariel Fillmore, MD is a family medicine physician with a practice address in Missoula, Montana, and NPI 1033616230, issued on Apr 12, 2018. Check the license on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Ariel Fillmore
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- Practice location
- 401 Railroad St W, Missoula, MT 59802
- Phone
- (406) 258-4789
- Enumerated
- Apr 12, 2018
- Entity
- Type 1 · individual
Also registered at 401 Railroad St W
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kiley Adams, MDStudent in an Organized Health Care Education/Training Program1275383374
- Beth Ammons, MDFamily Medicine Physician1780623926
- Abigail Anderson, MDStudent in an Organized Health Care Education/Training Program1386448595
- Jean Baumgardner, APRNRegistered Nurse1346654258
- Shivani BeallStudent in an Organized Health Care Education/Training Program1942004023
- Brett Bell, M.D., M.P.H.Family Medicine Physician1316359326
Verify Ariel Fillmore in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
79% fewer Medicare Part D claims than the average family medicine physician in 2024
745 Medicare Part D claims for 104 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium55 claims
- Levothyroxine Sodium43 claims
- Losartan Potassium34 claims
- Lisinopril33 claims
- Omeprazole31 claims
- Amlodipine Besylate30 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's Medicare quality score for 2023: 95.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital or facility affiliation
- University OF Utah Community Physicians GroupSalt Lake City, UT
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
109 family medicine physician records list a Missoula practice address
They are 109 of the 3,567 NPPES records with a Missoula practice address, and 766 family medicine physician records in Montana.
All 109 in Missoula → All 766 in Montana → Every provider in Missoula →
Other family medicine physician records in Montana
- Marc Adams, MDShelby, MT1265449482
- Dale Agner, M.D.Billings, MT1861486490
- Cynthia Alarcon, PA-CHelena, MT1386981686
- Brandon Allen, MDEnnis, MT1215499421
- Hans Amen, D.O.Malmstrom Afb, MT1538426507
- Beth Ammons, MDMissoula, MT1780623926
- Robert Amrine, MDMissoula, MT1366640484
- Bjorn Anderson, DOStevensville, MT1770146037
- Jonathan Anderson, MDKalispell, MT1356397533
- Leah Anderson, M.D.Bozeman, MT1851504195
Common questions
What is Ariel Fillmore, MD's NPI number?
Ariel Fillmore, MD's National Provider Identifier (NPI) is 1033616230, issued on Apr 12, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Ariel Fillmore, MD located?
The NPPES record lists a practice address at 401 Railroad St W, Missoula, MT, 59802. Phone: (406) 258-4789. Providers update this record themselves, so call before visiting.
How can I verify Ariel Fillmore, MD's license?
Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ariel Fillmore, MD prescribe under Medicare Part D?
In 2024, Ariel Fillmore, MD had 745 Medicare Part D claims for 104 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
What is Ariel Fillmore, MD's Medicare quality score?
The 2023 MIPS final score is 95.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.