Carlos Vassaux, M.D.
NPI 1275641599 · Pulmonary Disease Physician · Fort Collins, CO
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carlos Vassaux, M.D. is a Pulmonary Disease Physician provider in Fort Collins, CO (NPI 1275641599).
Provider details
- NPI number
- 1275641599
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- DR.0045764 (CO)
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,069 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 | $128 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 142 | $78 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 104 | $166 |
| Critical Care, First 30-74 Minutes99291 | 80 | $208 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 79 | $91 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 179 | 79 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 106 | 24 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 87 | 16 |
| Tiotropium Bromidebrand: Spiriva Respimat | 83 | 19 |
| Fluticasone Propion/Salmeterolbrand: Fluticasone-Salmeterol | 63 | 31 |
| Budesonide/Formoterol Fumaratebrand: Symbicort | 60 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-27
- Last updated
- 2016-08-16
Frequently asked questions
- What is Carlos Vassaux's NPI number?
- Carlos Vassaux's National Provider Identifier (NPI) is 1275641599, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carlos Vassaux's specialty?
- Carlos Vassaux is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Carlos Vassaux located?
- Carlos Vassaux's practice location on file with NPPES is 2121 E Harmony Rd, Fort Collins, CO 80528-3400.
- What is Carlos Vassaux's phone number?
- The practice phone number listed in the NPPES registry for Carlos Vassaux is (970) 224-9102.
- Does Carlos Vassaux accept Medicare?
- Carlos Vassaux is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carlos Vassaux's NPI active?
- Yes — Carlos Vassaux's NPI (1275641599) is active in the NPPES registry as of the last update on 2016-08-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.