Marc Elliott Breen
Emergency Medicine Physician · Fort Collins, CO
Marc Elliott Breen is an emergency medicine physician with a practice address in Fort Collins, Colorado, and NPI 1831399286, issued on Jul 24, 2007. Check the license (Colorado DR.0047871, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Marc Elliott Breen
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- DR.0047871 CO
47871 CO
036118981 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1024 S Lemay Ave, Fort Collins, CO 80524
- Phone
- (970) 495-7000
- Enumerated
- Jul 24, 2007
- Record last updated
- Jul 14, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (303) 306-7753
- Medicaid ID
- 01486365 CO
- Medicare enrollment
- Enrolled (PECOS I20090914000392); accepts Medicare assignment
- Medical or professional school
- Texas Tech University Health Science Center School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,434 in Colorado → Look up another NPI →
Also registered at 1024 S Lemay Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marc Elliott Breen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0047871Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
About as many Medicare Part D claims as the average emergency medicine physician in 2024
226 Medicare Part D claims for 138 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 21 claims were for opioids.
Most prescribed
- Cephalexin25 claims
- Naproxen24 claims
- Oxycodone Hcl20 claims
- Albuterol Sulfate Hfa14 claims
- Ondansetron Odt13 claims
- Doxycycline Hyclate12 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- 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).
Marc Elliott Breen among 1,434 emergency medicine physician records in Colorado
Marc Elliott Breen is one of 1,434 emergency medicine physician records with a practice address in Colorado. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 43% of them.
- NPI issued2007 · 43% of these records are older, 47% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2005 · median 2011 among the 810 with a school on file
- Record last updated2015 · 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 207P00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Colorado
There are 1,434 emergency medicine physician records in Colorado.
All 1,434 in Colorado → Every provider in Fort Collins → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Kriss DellotaFort Collins, CO 805241730164708
- Brandon Farmer, M.D.Fort Collins, CO 805241851336077
- David Farstad, MDFort Collins, CO 805241487683132
- Jason GreenFort Collins, CO 805241790758233
- Tara HallahanFort Collins, CO 805241508849514
- Philip JohnstonFort Collins, CO 805241467484733
- Henry LandsgaardFort Collins, CO 805241902889967
- John LuttrellFort Collins, CO 805241891727160
Common questions
What is Marc Elliott Breen's NPI number?
Marc Elliott Breen's National Provider Identifier (NPI) is 1831399286, issued on Jul 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Marc Elliott Breen located?
The NPPES record lists a practice address at 1024 S Lemay Ave, Fort Collins, CO, 80524. Phone: (970) 495-7000. Providers update this record themselves, so call before visiting.
How can I verify Marc Elliott Breen's license?
NPPES lists Colorado license number DR.0047871, 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 Marc Elliott Breen prescribe under Medicare Part D?
In 2024, Marc Elliott Breen had 226 Medicare Part D claims for 138 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Marc Elliott Breen'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.