Quick answers
- Does Vicente Undurraga Perl accept Medicare assignment?
- Yes. Medicare's clinician data says Vicente Undurraga Perl 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 Vicente Undurraga Perl see?
- In 2024, CMS data shows 177 Original Medicare patients and 295 services for Vicente Undurraga Perl. This counts Original Medicare only and measures volume, not quality.
- What is Vicente Undurraga Perl's NPI number?
- 1083931067. 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 Vicente Undurraga Perl, 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 | 177 |
|---|---|
| Services billed to Medicare | 295 |
| Different services or procedures | 36 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Critical care, first 30-74 minutes (99291)102 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)57 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)43 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)16 services
- Hospital discharge day management, 30 minutes or less (99238)11 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 pressure75%
- High cholesterol68%
- Arthritis44%
- Ischemic heart disease41%
- Atrial fibrillation40%
- Diabetes36%
Hospitals where Vicente Undurraga Perl works
Medicare's Facility Affiliation Data lists Vicente Undurraga Perl 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.
- Bitterroot Health - Daly HospitalHamilton, MT · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 271340
- Community Hospital of AnacondaAnaconda, MT · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 271335
- Providence St Joseph Medical CenterPolson, MT · Critical Access Hospital · Emergency services: listed by Medicare · CCN 271343
- St James HospitalButte, MT · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 270017
- St. Patrick HospitalMissoula, MT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 270014
Practice locations
Addresses where Vicente Undurraga Perl is enrolled with Medicare (CMS data updated October 2, 2026).
- 500 W Broadway StMissoula, MT 59802 (406) 329‑5838
Group practices
Medicare enrollment lists Vicente Undurraga Perl as a member of this group (CMS data updated October 2, 2026).
- Providence Health and Services Mt362 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Missoula
Clinicians with the same Medicare primary specialty in Missoula, MT — not a recommendation.
Other clinicians in Providence Health and Services Mt
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Perelman School Of Med At The University Of Pennsylvania |
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1083931067 |
| 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