AdenocarcinomaAlbuminsAntineoplastic Combined Chemotherapy Protocols
Dr. Wells A. Messersmith, MD
NPI1760431472PAC ID0941394589
- Medicare services, 2024
- 169
- Medicare patients, 2024
- 88
- Part D claims, 2024
- 263
- Publications
- 87
- Clinical trials
- 1
- 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. Messersmith's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Wells A. Messersmith is a medical oncologist in Aurora, Colorado
Dr. Messersmith practices at UCHealth University of Colorado Hospital in Aurora, Colorado, part of UCHealth.
Dr. Messersmith's NPI, 1760431472, was assigned on May 9, 2006. Dr. Messersmith graduated from Harvard Medical School in 1998. Dr. Messersmith holds Colorado license 45719.
NPI and contact details
- NPI
- 1760431472NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941394589
- NPI enumeration date
- May 9, 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
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Wells A. Messersmith practices at UCHealth University of Colorado Hospital in Aurora, Colorado
Dr. Messersmith'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. Wells A. Messersmith is affiliated with 4 sites of care and 1 medical group
Dr. Messersmith's primary practice is UCHealth University of Colorado Hospital in Aurora, Colorado, part of UCHealth. Dr. Messersmith is also affiliated with UCHealth Memorial Hospital Central. The medical group on file is University of Colorado Medicine (CU Medicine). Dmand AI also links Dr. Messersmith to 2 more hospitals, each named with a free account.
UCHealth Memorial Hospital CentralUniversity of Colorado Medicine (CU Medicine)2 hospitalsNames with a free account
See all 5 affiliations for Dr. MessersmithSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Wells A. Messersmith's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Messersmith practices, 4 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 |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Wells A. Messersmith is one of 91 medical oncologists in Colorado
Medical oncology is Dr. Messersmith's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Messersmith is licensed in Colorado.
Specialties and state licenses
- Medical oncology, ColoradoPrimary
Medical oncologists near Dr. Messersmith
Counts of medical oncologists with a Dmand AI profile, by place and practice. Each opens the list.
91medical oncologists in Colorado38medical oncologists in Aurora33medical oncologists at UCHealth University of Colorado Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Wells A. Messersmith billed Medicare for 169 services in 2024
CMS data shows 169 Medicare services from Dr. Messersmith across 3 procedure codes in 2024, all of them office visits, for 88 Medicare patients. Medicare paid $19,768 for them.
Medicare services, 2024169
Medicare patients88
Paid by Medicare$19,768
Procedure codes3
Dr. Messersmith's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1792024: 1696%
Where Dr. Messersmith's Medicare services took place, 2024
- In an office3018%
- In a facility13982%
Dr. Messersmith compared with the Colorado median for medical oncologists, 2024
- Dr. Messersmith
- Colorado median
- Medicare services
- 169vs 30645% below
- Medicare patients
- 88vs 12228% below
- Part D claims
- 121vs 24250% below
Medians across 90 medical oncologists in Colorado with Dmand AI profiles that report each measure.
Dr. Messersmith'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Wells A. Messersmith treated 88 Medicare patients in 2024, average age 72
CMS counts 88 Medicare patients who saw Dr. Messersmith in 2024. The largest group is 65 to 74, with 44 patients. 57% of them have high blood pressure, and 53% have cancer. Their average risk score is 2.68, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Messersmith's median patient age at 70, with 54% women.
Medicare patients, 202488
Average age72
Average risk score2.68
Dr. Messersmith's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Messersmith's Medicare patients by sex, 2024
- Women4147%
- Men4753%
Chronic conditions among Dr. Messersmith's Medicare patients, 2024
- High blood pressure57%
- Cancer53%
- High cholesterol49%
- Arthritis42%
- Ischemic heart disease33%
- Mood disorders33%
- Anxiety32%
- Depression31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Messersmith's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Wells A. Messersmith wrote 263 Medicare Part D claims in 2024
In 2024, Dr. Messersmith wrote 263 Medicare Part D claims for 44 patients. 69% of them were for generic drugs. CMS names the drug for 121 of them, across 8 drugs with 11 or more claims each, at $588,698 in total drug cost. In 2023, CMS named 129 claims across 9 drugs.
Part D claims, 2024263
Drugs named by CMS8
Total drug cost$588,698
Part D patients44
Dr. Messersmith's Part D claims by kind of drug, 2024
- Generic182 claims69%
- Brand-name and other81 claims31%
Dr. Messersmith'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. Messersmith's Part D claims, 2024
- Opioids14%38 of 263 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: 1292024: 1216%
Drugs named by CMS: 8 in 2024, 9 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. Wells A. Messersmith offers telehealth to Medicare patients
Dr. Messersmith accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Messersmith as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Wells A. Messersmith has 87 publications on record
Dmand AI links 87 papers to Dr. Messersmith, published from 2016 to 2025. 2017 was the busiest year, with 16. The most frequent topics are Antineoplastic Combined Chemotherapy Protocols, Colorectal Neoplasms and Pancreatic Neoplasms. Dr. Messersmith has published most often in Clin Cancer Res. Dr. Messersmith's most frequent co-authors are Christopher H. Lieu, MD, Richard David Schulick, MBA, MD and Marco Del Chiaro, MD.
Papers87
Years published2016 to 2025
Dr. Messersmith's papers by year, 2016 to 2025
Topics Dr. Messersmith writes about most
- Antineoplastic Combined Chemotherapy Protocols
- Colorectal Neoplasms
- Pancreatic Neoplasms
- Cell Line, Tumor
- Antineoplastic Agents
- Adenocarcinoma
- Neoadjuvant Therapy
- Antibodies, Monoclonal, Humanized
Dr. Messersmith's most frequent co-authors
- Christopher H. Lieu, MD15 shared papers
- Richard David Schulick, MBA, MD13 shared papers
- Marco Del Chiaro, MD10 shared papers
Recent publications by Dr. Messersmith
AlbuminsAntineoplastic Combined Chemotherapy ProtocolsChemotherapy, Adjuvant
Antineoplastic AgentsAntineoplastic Combined Chemotherapy ProtocolsCell Line, Tumor
See who Dr. Messersmith researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Messersmith works with, so you can find a warm path to the right medical oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Wells A. Messersmith has worked on 1 clinical trial
Dmand AI links Dr. Messersmith to 1 clinical trial. Open Payments lists research payments to Dr. Messersmith that name 1 trial.
Investigators on the most trials with Dr. Messersmith
- William G. Bowen, MD1 shared trial
- Peter Remsen Dottino, MD1 shared trial
- Shivkumar Shivappa Hatti, MD, MBA1 shared trial
Recent clinical trials with Dr. Messersmith
A Study of LY2510924 and Durvalumab in Participants With Solid Tumors (opens in a new tab)
Terminated
$1,921 in research paymentsDurvalumabLY2510924
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Wells A. Messersmith received $22,106 in industry payments from 2016 to 2024
CMS Open Payments shows 29 general payments to Dr. Messersmith from 6 drug and device companies from 2016 to 2024. Consulting fees make up the largest share, 97% of the total. Amgen Inc. paid the most, $12,100. It also lists 9 research payments totaling $10,221 from 2017 to 2025, naming 1 clinical trial.
General payments to Dr. Messersmith by program year, 2016 to 2024
General payments to Dr. Messersmith by kind, 2016 to 2024
$22.1Kin total
- Consulting fees$21,50097%
- Travel and lodging$3692%
- Food and beverage$2371%
Companies that paid Dr. Messersmith the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Wells A. Messersmith graduated from Harvard Medical School
Dr. Messersmith graduated from Harvard Medical School in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Wells A. Messersmith'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Wells A. Messersmith
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. Wells A. Messersmith's NPI number?
Dr. Wells A. Messersmith's NPI number is 1760431472. It was assigned on May 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Wells A. Messersmith?
Dr. Wells A. Messersmith is a medical oncologist in Aurora, Colorado. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).
Where does Dr. Wells A. Messersmith practice?
Dr. Messersmith practices at 12605 E 16th Ave, Aurora, CO 80045. Dr. Messersmith's primary practice is UCHealth University of Colorado Hospital in Aurora, Colorado, part of UCHealth. Dmand AI also links Dr. Messersmith to 2 hospitals.
What is Dr. Wells A. Messersmith's office phone number?
The practice phone on file for Dr. Messersmith is (720) 848-0000.
What is Dr. Wells A. Messersmith's medical license number?
Dr. Messersmith holds Colorado license 45719.
Which hospitals is Dr. Wells A. Messersmith affiliated with?
Dr. Messersmith practices at UCHealth University of Colorado Hospital in Aurora, Colorado. Dr. Messersmith is also affiliated with UCHealth Memorial Hospital Central. Dmand AI links Dr. Messersmith to 2 more hospitals.
What medical group is Dr. Wells A. Messersmith part of?
Dr. Messersmith is linked to University of Colorado Medicine (CU Medicine).
Does Dr. Wells A. Messersmith accept Medicare?
Yes. CMS data shows Dr. Messersmith billed Medicare for 169 services in 2024, and Dr. Messersmith accepts Medicare assignment.
Does Dr. Wells A. Messersmith offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Messersmith as offering telehealth services.
How many Medicare patients does Dr. Wells A. Messersmith see?
CMS counts 88 Medicare patients who saw Dr. Messersmith in 2024, with an average age of 72.
Show 7 more questionsShow fewer questions
What services does Dr. Wells A. Messersmith bill to Medicare?
In 2024, Dr. Messersmith's most billed Medicare services were office visit, established patient (99215), office visit, new patient (99205) and office visit, established patient (99214).
Where did Dr. Wells A. Messersmith go to medical school?
Dr. Messersmith graduated from Harvard Medical School in 1998.
What drugs does Dr. Wells A. Messersmith prescribe most?
In 2024 Medicare Part D data, Dr. Messersmith's most prescribed drugs by claims were Fentanyl, Ondansetron HCl and Fruzaqla.
Has Dr. Wells A. Messersmith received payments from drug or device companies?
CMS Open Payments shows $22,106 in general payments to Dr. Messersmith from 6 companies from 2016 to 2024. The largest total came from Amgen Inc.
How long has Dr. Wells A. Messersmith been practicing?
Dr. Messersmith graduated from medical school in 1998, 28 years ago.
Does Dr. Wells A. Messersmith do research?
Dmand AI links 87 publications to Dr. Messersmith, published from 2016 to 2025. Dr. Messersmith has worked on 1 clinical trial.
Who does Dr. Wells A. Messersmith publish with?
Dr. Messersmith's most frequent co-authors are Christopher H. Lieu, MD (15 shared papers), Richard David Schulick, MBA, MD (13 shared papers) and Marco Del Chiaro, MD (10 shared papers).
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