NPPES file of Aug 9, 2026

Aaron Eichhorn

Emergency Medicine Physician · Aurora, CO

Aaron Eichhorn is an emergency medicine physician with a practice address in Aurora, Colorado, and NPI 1326272014, issued on May 8, 2009. Check the license (Colorado DR.0053883, 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
1326272014
Name
Aaron Eichhorn
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
DR.0053883 CO
R2231 KY
D0073833 MD
Self-reported in NPPES; status is on the state search
Practice location
12605 E 16TH Ave, Aurora, CO 80045
Phone
(720) 848-0000
Enumerated
May 8, 2009
Record last updated
Dec 20, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20150324000869); accepts Medicare assignment
Medical or professional school
Medical College Of Wisconsin, 2009
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 12605 E 16TH Ave

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

  1. Benjamin Aakre, MDAnesthesiology Physician1407140395
  2. Alec Aaronson, DOPsychiatry Physician1972065233
  3. Mona Abaza, MDOtolaryngology Physician1043313844
  4. Meagan AbbagnaroAnesthesiologist Assistant1851254262
  5. Jean Abbott, MDEmergency Medicine Physician1578672820
  6. Adam Abraham, MDInternal Medicine Physician1720178304

Verify Aaron Eichhorn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR.0053883
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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79% fewer Medicare Part D claims than the average emergency medicine physician in 2024

47 Medicare Part D claims for 40 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Aaron Eichhorn47
  2. Specialty average226

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.

  1. Qualityout of 100 · 30% of the final score86.5
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through one group practice

  1. University Physicians IncorporatedAurora, CO

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

Aaron Eichhorn among 1,434 emergency medicine physician records in Colorado

Aaron Eichhorn 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 2009, is newer than 57% of them.

  • NPI issued2009 · 57% of these records are older, 39% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2009 · median 2011 among the 810 with a school on file
  • Record last updated2019 · 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).

246 emergency medicine physician records list a practice address in Aurora

They are 246 of the 17,400 NPPES records with a practice address in Aurora, and 1,434 emergency medicine physician records in Colorado.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. David Avner, MDAurora, CO 800451134106966
  2. Tracy Cushing, MD, MPHAurora, CO 800451578553889
  3. Daniel Dobler, M.D.Aurora, CO 800451033193115
  4. Carol Dombro, M.D.Aurora, CO 800451932183910
  5. Adit Ginde, MDAurora, CO 800451225009467
  6. Michael GirardAurora, CO 800451144205964
  7. Paul Grossman, MDAurora, CO 800451477526929
  8. Todd Guth, MDAurora, CO 800451740266964

Common questions

What is Aaron Eichhorn's NPI number?

Aaron Eichhorn's National Provider Identifier (NPI) is 1326272014, issued on May 8, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Aaron Eichhorn located?

The NPPES record lists a practice address at 12605 E 16TH Ave, Aurora, CO, 80045. Phone: (720) 848-0000. Providers update this record themselves, so call before visiting.

How can I verify Aaron Eichhorn's license?

NPPES lists Colorado license number DR.0053883, 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 Aaron Eichhorn prescribe under Medicare Part D?

In 2024, Aaron Eichhorn had 47 Medicare Part D claims for 40 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Aaron Eichhorn'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.