Dr. Michael Rex Dayton, MD
- Medicare services, 2024
- 638
- Medicare patients, 2024
- 455
- Part D claims, 2024
- 428
- Hospital affiliations
- 4
- Industry payments
- $120,943
- Practice address
- 12605 E 16th Ave, Aurora, CO 80045
- Practice phone
- Call (720) 848-0000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Dayton's professional email, personal email and mobile number
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Dr. Michael Rex Dayton is an adult reconstructive orthopaedic surgery physician in Aurora, Colorado
Dr. Dayton practices at UCHealth University of Colorado Hospital in Aurora, Colorado, part of UCHealth.
Dr. Dayton's NPI, 1639264054, was assigned on October 3, 2006. Dr. Dayton graduated from University of Utah School of Medicine in 1997. Dr. Dayton holds Colorado license 41463.
- NPI
- 1639264054NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587641006
- NPI enumeration date
- October 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (720) 848-0000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Rex Dayton practices at UCHealth University of Colorado Hospital in Aurora, Colorado
Dr. Dayton's primary practice is UCHealth University of Colorado Hospital, at 12605 E 16th Ave, Aurora, CO 80045 in Adams County. The practice phone is (720) 848-0000.
- UCHealth University of Colorado Hospital12605 E 16th Ave, Aurora, CO 80045 · Adams CountyPhone(720) 848-0000
Source: Dmand AI Affiliation Data
Dr. Michael Rex Dayton is affiliated with 5 sites of care and 2 medical groups
Dr. Dayton's primary practice is UCHealth University of Colorado Hospital in Aurora, Colorado, part of UCHealth. Dr. Dayton is also affiliated with UCHealth Poudre Valley Hospital. The medical group on file is University of Colorado Medicine (CU Medicine). Dmand AI also links Dr. Dayton to 2 more hospitals, 1 home health agency and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael Rex Dayton's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dayton practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCHealth University of Colorado Hospital | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Rex Dayton is one of 29 adult reconstructive orthopaedic surgery physicians in Colorado
Adult reconstructive orthopaedic surgery is Dr. Dayton's primary specialty in the NPI Registry, under taxonomy code 207XS0114X. Dr. Dayton is licensed in Colorado.
Specialties and state licenses
- Adult reconstructive orthopaedic surgery, ColoradoPrimary
Adult reconstructive orthopaedic surgery physicians near Dr. Dayton
Counts of adult reconstructive orthopaedic surgery physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michael Rex Dayton billed Medicare for 638 services in 2024
CMS data shows 638 Medicare services from Dr. Dayton across 9 procedure codes in 2024, for 455 Medicare patients. Medicare paid $110,333 for them.
Dr. Dayton's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5402024: 48211%
- Surgery
- 2023: 2092024: 15625%
Where Dr. Dayton's Medicare services took place, 2024
- In an office34454%
- In a facility29446%
Dr. Dayton compared with the Colorado median for adult reconstructive orthopaedic surgery physicians, 2024
- Dr. Dayton
- Colorado median
- Medicare services
- 638vs 2,09370% below
- Medicare patients
- 455vs 453Close to median
- Part D claims
- 351vs 351Close to median
Medians across 27 adult reconstructive orthopaedic surgery physicians in Colorado with Dmand AI profiles that report each measure.
Dr. Dayton's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dayton and other adult reconstructive orthopaedic surgery physicians in Colorado.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Rex Dayton treated 455 Medicare patients in 2024, average age 74
CMS counts 455 Medicare patients who saw Dr. Dayton in 2024. The largest group is 65 to 74, with 215 patients. 75% of them have arthritis, and 73% have high blood pressure. 12% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Dayton's median patient age at 72, with 61% women.
Dr. Dayton's Medicare patients by age, 2024
Dr. Dayton's Medicare patients by sex, 2024
- Women27560%
- Men18040%
Chronic conditions among Dr. Dayton's Medicare patients, 2024
- Arthritis75%
- High blood pressure73%
- High cholesterol71%
- Mood disorders29%
- Depression26%
- Anxiety24%
- Diabetes24%
- Ischemic heart disease24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dayton's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Rex Dayton wrote 428 Medicare Part D claims in 2024
In 2024, Dr. Dayton wrote 428 Medicare Part D claims for 132 patients. 97% of them were for generic drugs. CMS names the drug for 351 of them, across 8 drugs with 11 or more claims each, at $2,695 in total drug cost. In 2023, CMS named 380 claims across 8 drugs.
Dr. Dayton's Part D claims by kind of drug, 2024
- Generic414 claims97%
- Brand-name14 claims3%
Dr. Dayton's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Dayton's Part D claims, 2024
- Opioids61%260 of 428 claims
- Antibiotics9%39 of 428 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3802024: 3518%
Drugs named by CMS: 8 in 2024, 8 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Michael Rex Dayton ranks in the 87th percentile for knee replacement in Medicare
Dr. Dayton accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Dayton as offering telehealth. CMS counts 70 procedures of knee replacement by Dr. Dayton, more than 87% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Dayton ranks in Medicare procedure volume
- Knee replacement
- 87th percentile70 procedures
- Hip replacement
- 83rd percentile40 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Michael Rex Dayton received $120,943 in industry payments from 2016 to 2025
CMS Open Payments shows 132 general payments to Dr. Dayton from 14 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 82% of the total. Exactech, Inc. paid the most, $114,594. It also lists 4 research payments totaling $48,520 in 2022.
General payments to Dr. Dayton by program year, 2016 to 2025
General payments to Dr. Dayton by kind, 2016 to 2025
- Consulting fees$99,34982%
- Travel and lodging$14,39112%
- Food and beverage$7,2036%
Companies that paid Dr. Dayton the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael Rex Dayton graduated from University of Utah School of Medicine
Dr. Dayton graduated from University of Utah School of Medicine in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Rex Dayton's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Michael Rex Dayton
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Michael Rex Dayton's NPI number?
Dr. Michael Rex Dayton's NPI number is 1639264054. It was assigned on October 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Rex Dayton?
Dr. Michael Rex Dayton is an adult reconstructive orthopaedic surgery physician in Aurora, Colorado. The primary specialty in the NPI Registry is Adult Reconstructive Orthopaedic Surgery Physician (taxonomy code 207XS0114X).
Where does Dr. Michael Rex Dayton practice?
Dr. Dayton practices at 12605 E 16th Ave, Aurora, CO 80045. Dr. Dayton's primary practice is UCHealth University of Colorado Hospital in Aurora, Colorado, part of UCHealth. Dmand AI also links Dr. Dayton to 2 hospitals, 1 home health agency and 1 medical group.
What is Dr. Michael Rex Dayton's office phone number?
The practice phone on file for Dr. Dayton is (720) 848-0000.
What is Dr. Michael Rex Dayton's medical license number?
Dr. Dayton holds Colorado license 41463.
Which hospitals is Dr. Michael Rex Dayton affiliated with?
Dr. Dayton practices at UCHealth University of Colorado Hospital in Aurora, Colorado. Dr. Dayton is also affiliated with UCHealth Poudre Valley Hospital. Dmand AI links Dr. Dayton to 2 more hospitals.
What medical group is Dr. Michael Rex Dayton part of?
Dr. Dayton is linked to University of Colorado Medicine (CU Medicine). Dmand AI links Dr. Dayton to 1 more medical group.
Does Dr. Michael Rex Dayton accept Medicare?
Yes. CMS data shows Dr. Dayton billed Medicare for 638 services in 2024, and Dr. Dayton accepts Medicare assignment.
Does Dr. Michael Rex Dayton offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Dayton as offering telehealth services.
How many Medicare patients does Dr. Michael Rex Dayton see?
CMS counts 455 Medicare patients who saw Dr. Dayton in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Michael Rex Dayton bill to Medicare?
In 2024, Dr. Dayton's most billed Medicare services were office visit, established patient (99212), office visit, new patient (99203) and surgery: bones and joints (20610).
Where did Dr. Michael Rex Dayton go to medical school?
Dr. Dayton graduated from University of Utah School of Medicine in 1997.
What drugs does Dr. Michael Rex Dayton prescribe most?
In 2024 Medicare Part D data, Dr. Dayton's most prescribed drugs by claims were Oxycodone HCl, Tramadol HCl and Meloxicam.
Has Dr. Michael Rex Dayton received payments from drug or device companies?
CMS Open Payments shows $120,943 in general payments to Dr. Dayton from 14 companies from 2016 to 2025. The largest total came from Exactech, Inc.
How long has Dr. Michael Rex Dayton been practicing?
Dr. Dayton graduated from medical school in 1997, 29 years ago.
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