NPPES file of Aug 9, 2026

Emily Leann Aaron, MD

Internal Medicine Physician · Denver, CO

Emily Leann Aaron, MD is an internal medicine physician with a practice address in Denver, Colorado, and NPI 1205256971, issued on Apr 22, 2014. Check the license 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205256971
Name
Emily Leann Aaron
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
BP10050670 TX
Self-reported in NPPES; status is on the state search
Practice location
4545 E 9TH Ave Ste 240, Denver, CO 80220
Phone
(720) 654-8644
Enumerated
Apr 22, 2014
Record last updated
Jun 14, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Emily Leann Aaron in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical BoardCheck 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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58% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,331 Medicare Part D claims for 125 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 57 claims were for opioids.

  1. Emily Aaron1,331
  2. Specialty average3,176

Most prescribed

  1. Rosuvastatin Calcium61 claims
  2. Levothyroxine Sodium53 claims
  3. Atorvastatin Calcium52 claims
  4. Gabapentin40 claims
  5. Mounjaro39 claims
  6. Prednisone34 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.

Industry payments in 2024: $1,098.91

54 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Emily Aaron$1,098.91
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Emily Leann Aaron among 2,046 internal medicine physician records in Colorado

Emily Leann Aaron, MD is one of 2,046 internal medicine physician records with a practice address in Colorado. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 76% of them.

  • NPI issued2014 · 76% of these records are older, 21% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2023 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

493 internal medicine physician records list a practice address in Denver

They are 493 of the 25,068 NPPES records with a practice address in Denver, and 2,046 internal medicine physician records in Colorado.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Igor Borisov, MDDenver, CO 802201235134008
  2. Brent Cohen, MDDenver, CO 802201427042142
  3. Jennifer Gaudiani, MDDenver, CO 802201831172063
  4. Ravi Gopal, M.D.Denver, CO 802201376517342
  5. Stanley Kerstein, MDDenver, CO 802201750325650
  6. Thomas Li, MDDenver, CO 802201023005576
  7. Connor McBryde, M.D.Denver, CO 802201760459275
  8. Michael Metros, MDDenver, CO 802201134186646

Common questions

What is Emily Leann Aaron, MD's NPI number?

Emily Leann Aaron, MD's National Provider Identifier (NPI) is 1205256971, issued on Apr 22, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Emily Leann Aaron, MD located?

The NPPES record lists a practice address at 4545 E 9TH Ave Ste 240, Denver, CO, 80220. Phone: (720) 654-8644. Providers update this record themselves, so call before visiting.

How can I verify Emily Leann Aaron, MD's license?

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 Emily Leann Aaron, MD prescribe under Medicare Part D?

In 2024, Emily Leann Aaron, MD had 1,331 Medicare Part D claims for 125 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

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.