Quick answers
- Does Carlos R. Vassaux accept Medicare assignment?
- Yes. Medicare's clinician data says Carlos R. Vassaux 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 Carlos R. Vassaux see?
- In 2024, CMS data shows 550 Original Medicare patients and 1,267 services for Carlos R. Vassaux. This counts Original Medicare only and measures volume, not quality.
- What is Carlos R. Vassaux's NPI number?
- 1275641599. 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 Carlos R. Vassaux, 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 | 550 |
|---|---|
| Services billed to Medicare | 1,267 |
| Different services or procedures | 51 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)281 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)142 services
- Test to examine how well the lungs exchange gases (94729)107 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)104 services
- Test to determine lung volumes using sensors (94726)95 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 cholesterol69%
- COPD53%
- Arthritis47%
- Ischemic heart disease45%
- Heart failure32%
Hospitals where Carlos R. Vassaux works
Medicare's Facility Affiliation Data lists Carlos R. Vassaux 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.
- Cheyenne Regional Medical CenterCheyenne, WY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 530014
- Medical Center of the RockiesLoveland, CO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 060119
- Poudre Valley HospitalFort Collins, CO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 060010
- UCHealth Greeley HospitalGreeley, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060131
Practice locations
Addresses where Carlos R. Vassaux is enrolled with Medicare (CMS data updated October 2, 2026).
- 2121 E Harmony Rd, Unit 300 Uchmg Pulmonology Fort CollinsFort Collins, CO 80528 (970) 224‑9102
- 2500 Rocky Mountain AveLoveland, CO 80538 (970) 619‑6100
- 5050 Powderhouse RdCheyenne, WY 82009 (307) 634‑1311
Group practices
Medicare enrollment lists Carlos R. Vassaux as a member of this group (CMS data updated October 2, 2026).
- Poudre Valley Medical Group LLC2,440 clinicians in the group
Specialties
Find other Critical Care (Intensivists) doctors in Colorado →
Other critical care doctors in Fort Collins
Clinicians with the same Medicare primary specialty in Fort Collins, CO — not a recommendation.
Other clinicians in Poudre Valley Medical Group LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1275641599 |
| 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