Ronald S. Colson, MD
Internal Medicine Physician · Aurora, CO
Ronald S. Colson, MD is an internal medicine physician with a practice address in Aurora, Colorado, and NPI 1144214099, issued on Sep 7, 2005. Check the license (Colorado 42323, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ronald S. Colson
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 42323 CO
Self-reported in NPPES; status is on the state search - Practice location
- 12605 E 16TH Ave, Aurora, CO 80045
- Phone
- (720) 848-0000
- Enumerated
- Sep 7, 2005
- Record last updated
- Jan 12, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040809000506); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1990
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,046 in Colorado → Look up another NPI →
Also registered at 12605 E 16TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ronald S. Colson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 42323Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% more Medicare Part D claims than the average internal medicine physician in 2024
3,271 Medicare Part D claims for 293 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 28 claims were for opioids.
Most prescribed
- Atorvastatin Calcium383 claims
- Levothyroxine Sodium156 claims
- Rosuvastatin Calcium130 claims
- Zolpidem Tartrate126 claims
- Amlodipine Besylate93 claims
- Trazodone Hcl78 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).
Industry payments in 2024: $28.25
1 payment: food and beverage; the largest payer was Alkermes, Inc. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University Physicians IncorporatedAurora, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ronald S. Colson among 2,046 internal medicine physician records in Colorado
Ronald S. Colson, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1990 · median 2006 among the 1,090 with a school on file
- Record last updated2017 · 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).
244 internal medicine physician records list a practice address in Aurora
They are 244 of the 17,400 NPPES records with a practice address in Aurora, and 2,046 internal medicine physician records in Colorado.
All 2,046 in Colorado → Every provider in Aurora → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Melver Anderson, M.D.Aurora, CO 800451992771109
- Mary Ayers, M.D.Aurora, CO 800451184632432
- Anjali Dhurandhar, M.D.Aurora, CO 800451023035045
- Liselotte Dyrbye, M.D.Aurora, CO 800451275511164
- Eden English, MDAurora, CO 800451811969058
- Mark Levine, M.D.Aurora, CO 800451477556694
- Carmen Lewis, M.D.Aurora, CO 800451841215134
- Annie Moore, MD, MBAAurora, CO 800451962418459
Common questions
What is Ronald S. Colson, MD's NPI number?
Ronald S. Colson, MD's National Provider Identifier (NPI) is 1144214099, issued on Sep 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ronald S. Colson, MD 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 Ronald S. Colson, MD's license?
NPPES lists Colorado license number 42323, 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 Ronald S. Colson, MD prescribe under Medicare Part D?
In 2024, Ronald S. Colson, MD had 3,271 Medicare Part D claims for 293 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Ronald S. Colson, MD'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.