NPPES file of Aug 9, 2026

Carlos Antonio Arguelles

Emergency Medicine Physician · Fort Collins, CO

Carlos Antonio Arguelles is an emergency medicine physician with a practice address in Fort Collins, Colorado, and NPI 1417962960, issued on Jul 30, 2006. Check the license (Colorado 46198, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1417962960
Name
Carlos Antonio Arguelles
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
46198 CO
2002-0006 NM
Self-reported in NPPES; status is on the state search
Practice location
1024 S Lemay Ave, Fort Collins, CO 80524
Phone
(303) 306-7783
Enumerated
Jul 30, 2006
Record last updated
Apr 1, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(303) 306-7753
Medicaid IDs
90371861 CO
53307321 NM
Medicare enrollment
Enrolled (PECOS I20080529000330); accepts Medicare assignment
Medical or professional school
University Of New Mexico School Of Medicine, 1999
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1024 S Lemay Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Karen Alderfer, MDDiagnostic Radiology Physician1043534654
  2. Guy Alexander, MDDiagnostic Radiology Physician1083989362
  3. Michael ApostleEmergency Medicine Physician1952326407
  4. Everett AustinEmergency Medicine Physician1548503758
  5. Alvis Ayaba-Apawu, M.A., PHD. LPC.LAC.Professional Counselor1154553691
  6. Bree Bacalis, NPNurse Practitioner1659861359

Verify Carlos Antonio Arguelles in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 46198
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Colorado license search

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35% fewer Medicare Part D claims than the average emergency medicine physician in 2024

148 Medicare Part D claims for 117 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 20 claims were for opioids.

  1. Carlos Arguelles148
  2. Specialty average226

Most prescribed

  1. Cephalexin21 claims
  2. Oxycodone-Acetaminophen16 claims
  3. Ondansetron Odt13 claims
  4. Doxycycline Hyclate11 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 practice group's MIPS final score for 2023 (Medicare payment program): 88.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score86.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Emergency Physicians OF The Rockies, PCFort Collins, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Emergency Medicine Physician providers in Colorado

There are 1,434 emergency medicine physician records in Colorado.

Other emergency medicine physician records in Colorado

  1. Steven AaronsonDenver, CO1326081951
  2. Lauren AbbateAurora, CO1255624276
  3. Jean Abbott, MDAurora, CO1578672820
  4. Kalen AbbottAurora, CO1174899314
  5. William Abbott, M.D.Aurora, CO1013992361
  6. Charles Abramson, D.O.Glenwood Springs, CO1932335023
  7. Alan Adams, MDSalida, CO1912972365
  8. Bruce Adams, M.D.Denver, CO1407946197
  9. Sabrina Adams, M.D.Denver, CO1174822373
  10. Erik Adler, M.D.Denver, CO1699909739

Common questions

What is Carlos Antonio Arguelles's NPI number?

Carlos Antonio Arguelles's National Provider Identifier (NPI) is 1417962960, issued on Jul 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Carlos Antonio Arguelles located?

The NPPES record lists a practice address at 1024 S Lemay Ave, Fort Collins, CO, 80524. Phone: (303) 306-7783. Providers update this record themselves, so call before visiting.

How can I verify Carlos Antonio Arguelles's license?

NPPES lists Colorado license number 46198, 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 Antonio Arguelles prescribe under Medicare Part D?

In 2024, Carlos Antonio Arguelles had 148 Medicare Part D claims for 117 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Carlos Antonio Arguelles's MIPS final score?

The 2023 MIPS final score is 88.6 of 100, reported for the practice group. 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.