Quick answers
- Does Kelly J. Dewey accept Medicare assignment?
- Yes. Medicare's clinician data says Kelly J. Dewey accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Kelly J. Dewey see?
- In 2024, CMS data shows 345 Original Medicare patients and 458 services for Kelly J. Dewey. This counts Original Medicare only and measures volume, not quality.
- What is Kelly J. Dewey's NPI number?
- 1952656183. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Kelly J. Dewey, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 345 |
|---|---|
| Services billed to Medicare | 458 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)248 services
- Critical care, first 30-74 minutes (99291)68 services
- Emergency department visit with moderate level of medical decision making (99284)50 services
- Emergency department visit with low level of medical decision making (99283)13 services
- Limited ultrasound scan of abdomen (76705)12 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure74%
- High cholesterol57%
- Arthritis55%
- Anxiety41%
- Depression36%
- Diabetes28%
Hospitals where Kelly J. Dewey works
Medicare's Facility Affiliation Data lists Kelly J. Dewey at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Barrett Hospital & HealthcareDillon, MT · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 271318
- Ruby Valley Medical CenterSheridan, MT · Critical Access Hospital · Emergency services: listed by Medicare · CCN 271319
- St Peters HealthHelena, MT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 270003
Practice locations
Addresses where Kelly J. Dewey is enrolled with Medicare (CMS data updated October 2, 2026).
- 600 Mt Hwy 91 SDillon, MT 59725 (406) 683‑3000
Group practices
Medicare enrollment lists Kelly J. Dewey as a member of this group (CMS data updated October 2, 2026).
- Barrett Hospital Development Corporation29 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Dillon
Clinicians with the same Medicare primary specialty in Dillon, MT — not a recommendation.
Other clinicians in Barrett Hospital Development Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2012 (14 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1952656183 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians