Dr. Vanessa Mercedes Welten, MD, MPH
- Part D claims, 2024
- 42
- Publications
- 24
- Hospital affiliations
- 1
- Industry payments
- $52
- Medical group
- 1
- Practice address
- 600 Highland Ave, Madison, WI 53792
- Practice phone
- Call (608) 265-1978
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Health Services - Madison (Highland Ave)
College / University Student Health · Madison, Wisconsin
Find Dr. Welten'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. Vanessa Mercedes Welten is a general surgeon in Madison, Wisconsin
Dr. Welten practices at University Health Services - Madison (Highland Ave) in Madison, Wisconsin.
Dr. Welten's NPI, 1003207762, was assigned on February 16, 2015. Dr. Welten graduated from Northwestern University Feinberg Medical School in 2018. Dr. Welten holds Massachusetts license 275239.
- NPI
- 1003207762NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759630031
- NPI enumeration date
- February 16, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (608) 265-1978
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Vanessa Mercedes Welten practices at University Health Services - Madison (Highland Ave) in Madison, Wisconsin
Dr. Welten's primary practice is University Health Services - Madison (Highland Ave), at 600 Highland Ave, Madison, WI 53792. The practice phone is (608) 265-1978.
- University Health Services - Madison (Highland Ave)600 Highland Ave, Madison, WI 53792Phone(608) 265-1978
Source: Dmand AI Affiliation Data
Dr. Vanessa Mercedes Welten is affiliated with 2 sites of care and 1 medical group
Dr. Welten's primary practice is University Health Services - Madison (Highland Ave) in Madison, Wisconsin. Dr. Welten is also affiliated with University Hospital. The medical group on file is UW Health. Dr. Welten's employer is on file too: a school & student health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Vanessa Mercedes Welten's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Welten practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Health Services - Madison (Highland Ave) | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Vanessa Mercedes Welten is one of 565 general surgeons in Wisconsin
Surgery is Dr. Welten's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Welten is licensed in Massachusetts.
Specialties and state licenses
- Surgery, MassachusettsPrimary
General surgeons near Dr. Welten
Counts of general surgeons 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. Vanessa Mercedes Welten's patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Dr. Welten's median patient age at 59, with 42% women.
Dr. Welten's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women42%
- Men58%
Source: Dmand AI Patient Panel Data
Dr. Vanessa Mercedes Welten wrote 42 Medicare Part D claims in 2024
In 2024, Dr. Welten wrote 42 Medicare Part D claims for 39 patients. 93% of them were for generic drugs. CMS names the drug for 33 of them, across 1 drug with 11 or more claims each, at $59 in total drug cost. In 2023, CMS named 16 claims across 1 drug.
Dr. Welten's Part D claims by kind of drug, 2024
- Generic39 claims93%
- Brand-name and other3 claims7%
Dr. Welten'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. Welten's Part D claims, 2024
- Opioids81%34 of 42 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: 162024: 33106%
Drugs named by CMS: 1 in 2024, 1 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
How Dr. Vanessa Mercedes Welten takes part in Medicare
Dr. Welten accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Vanessa Mercedes Welten has 24 publications on record
Dmand AI links 24 papers to Dr. Welten, published from 2019 to 2024. 2022 was the busiest year, with 6. The most frequent topics are Colorectal Neoplasms, Rectal Neoplasms and Ukraine. Dr. Welten has published most often in J Gastrointest Surg. Dr. Welten's most frequent co-authors are Nelya Melnitchouk, MD, Ronald Bleday, MD and Jennifer Lynn Irani, MD.
Dr. Welten's papers by year, 2019 to 2024
Topics Dr. Welten writes about most
- Colorectal Neoplasms
- Rectal Neoplasms
- Ukraine
- Antineoplastic Combined Chemotherapy Protocols
- Anus Neoplasms
- Cytoreduction Surgical Procedures
- Hyperthermia, Induced
- Leadership
Dr. Welten's most frequent co-authors
- Nelya Melnitchouk, MD22 shared papers
- Ronald Bleday, MD9 shared papers
- Jennifer Lynn Irani, MD9 shared papers
Recent publications by Dr. Welten
J Gastrointest Surg
Clin Colon Rectal Surg
See who Dr. Welten researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Welten works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Vanessa Mercedes Welten received $52 in industry payments from 2023 to 2025
CMS Open Payments shows 2 general payments to Dr. Welten from 2 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. OrganOx Ltd paid the most, $37.
General payments to Dr. Welten by program year, 2023 to 2025
Companies that paid Dr. Welten the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Vanessa Mercedes Welten graduated from Northwestern University Feinberg Medical School
Dr. Welten graduated from Northwestern University Feinberg Medical School in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Vanessa Mercedes Welten'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 |
| 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. Vanessa Mercedes Welten
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. Vanessa Mercedes Welten's NPI number?
Dr. Vanessa Mercedes Welten's NPI number is 1003207762. It was assigned on February 16, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Vanessa Mercedes Welten?
Dr. Vanessa Mercedes Welten is a general surgeon in Madison, Wisconsin. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Vanessa Mercedes Welten practice?
Dr. Welten practices at 600 Highland Ave, Madison, WI 53792. Dr. Welten's primary practice is University Health Services - Madison (Highland Ave) in Madison, Wisconsin.
What is Dr. Vanessa Mercedes Welten's office phone number?
The practice phone on file for Dr. Welten is (608) 265-1978.
What is Dr. Vanessa Mercedes Welten's medical license number?
Dr. Welten holds Massachusetts license 275239.
Which hospitals is Dr. Vanessa Mercedes Welten affiliated with?
Dr. Welten is affiliated with University Hospital.
What medical group is Dr. Vanessa Mercedes Welten part of?
Dr. Welten is linked to UW Health.
Does Dr. Vanessa Mercedes Welten accept Medicare?
Yes. CMS lists Dr. Welten as accepting Medicare assignment.
Where did Dr. Vanessa Mercedes Welten go to medical school?
Dr. Welten graduated from Northwestern University Feinberg Medical School in 2018.
What drugs does Dr. Vanessa Mercedes Welten prescribe most?
In 2024 Medicare Part D data, Dr. Welten's most prescribed drugs by claims were Oxycodone HCl.
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Has Dr. Vanessa Mercedes Welten received payments from drug or device companies?
CMS Open Payments shows $52 in general payments to Dr. Welten from 2 companies from 2023 to 2025. The largest total came from OrganOx Ltd.
How long has Dr. Vanessa Mercedes Welten been practicing?
Dr. Welten graduated from medical school in 2018, 8 years ago.
Does Dr. Vanessa Mercedes Welten do research?
Dmand AI links 24 publications to Dr. Welten, published from 2019 to 2024.
Who does Dr. Vanessa Mercedes Welten publish with?
Dr. Welten's most frequent co-authors are Nelya Melnitchouk, MD (22 shared papers), Ronald Bleday, MD (9 shared papers) and Jennifer Lynn Irani, MD (9 shared papers).
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