Carlos R. Vassaux, M.D.
Pulmonary Disease Physician · Fort Collins, CO
Carlos R. Vassaux, M.D. is a pulmonary disease physician with a practice address in Fort Collins, Colorado, and NPI 1275641599, issued on Aug 27, 2006. Check the license (Colorado DR.0045764, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Carlos R. Vassaux
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- DR.0045764 CO
Self-reported in NPPES; status is on the state search - Practice location
- 2121 E Harmony RD, Fort Collins, CO 80528
- Phone
- (970) 224-9102
- Enumerated
- Aug 27, 2006
- Record last updated
- Aug 16, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (970) 224-9112
- Medicaid IDs
- 126172000 WY
93104251 CO - Medicare enrollment
- Enrolled (PECOS I20070918000181); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 288 in Colorado → Look up another NPI →
Also registered at 2121 E Harmony RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elvira Aguila, MDPulmonary Disease Physician1699727123
- Carrie Allen, PHARMDOncology Pharmacist1396279832
- Roger Ashmore, M.D.Interventional Cardiology Physician1184620635
- Wendy AustinCardiovascular Disease Physician1457517625
- Lindsay BennettFamily Nurse Practitioner1699146183
- Emily Berganini, PA-CMedical Physician Assistant1780093641
Verify Carlos R. Vassaux in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0045764Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
1,100 Medicare Part D claims for 233 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 62% of claims.
Most prescribed
- Albuterol Sulfate Hfa179 claims
- Trelegy Ellipta106 claims
- Breo Ellipta87 claims
- Spiriva Respimat83 claims
- Fluticasone-Salmeterol63 claims
- Symbicort60 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 MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Poudre Valley Medical Group LLCFort Collins, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carlos R. Vassaux among 288 pulmonary disease physician records in Colorado
Carlos R. Vassaux, M.D. is one of 288 pulmonary disease physician records with a practice address in Colorado. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 52% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2001 · median 2003 among the 210 with a school on file
- Record last updated2016 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in Colorado
There are 288 pulmonary disease physician records in Colorado.
All 288 in Colorado → Every provider in Fort Collins → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Elvira Aguila, MDFort Collins, CO 805281699727123
- Diana Breyer, M.D.Fort Collins, CO 805281023088945
- Kirk Depriest, DOFort Collins, CO 805281790993699
- Christopher Hatzis, M.D.Fort Collins, CO 805281801804273
- Thomas Heacock, M.D.Fort Collins, CO 805281215228473
- James Hoyt, M.D.Fort Collins, CO 805281093785925
- Mark Landmeier, M.D.Fort Collins, CO 805281669637674
- Bryce Mikel, M.D.Fort Collins, CO 805281487037909
Common questions
What is Carlos R. Vassaux, M.D.'s NPI number?
Carlos R. Vassaux, M.D.'s National Provider Identifier (NPI) is 1275641599, issued on Aug 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Carlos R. Vassaux, M.D. located?
The NPPES record lists a practice address at 2121 E Harmony RD, Fort Collins, CO, 80528. Phone: (970) 224-9102. Providers update this record themselves, so call before visiting.
How can I verify Carlos R. Vassaux, M.D.'s license?
NPPES lists Colorado license number DR.0045764, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Carlos R. Vassaux, M.D. prescribe under Medicare Part D?
In 2024, Carlos R. Vassaux, M.D. had 1,100 Medicare Part D claims for 233 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
What is Carlos R. Vassaux, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.