Dr. Sean Michael Wrenn, MD
- Medicare services, 2024
- 398
- Medicare patients, 2024
- 178
- Part D claims, 2024
- 115
- Publications
- 29
- Hospital affiliations
- 2
- Practice address
- 1653 West Congress Parkway, Chicago, IL 60612
- Practice phone
- Call (312) 942-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Wrenn'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. Sean Michael Wrenn is a surgical oncologist in Chicago, Illinois
Dr. Wrenn practices at Rush University Medical Center in Chicago, Illinois, part of Rush System for Health.
Dr. Wrenn's NPI, 1831431261, was assigned on March 24, 2013. Dr. Wrenn graduated from Rush Medical College in 2013. Dr. Wrenn holds Illinois license 036-153599.
- NPI
- 1831431261NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365745684
- NPI enumeration date
- March 24, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (312) 942-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sean Michael Wrenn practices at Rush University Medical Center in Chicago, Illinois
Dr. Wrenn's primary practice is Rush University Medical Center, at 1653 West Congress Parkway, Chicago, IL 60612 in Cook County. The practice phone is (312) 942-5000.
- Rush University Medical Center1653 West Congress Parkway, Chicago, IL 60612 · Cook CountyPhone(312) 942-5000
Source: Dmand AI Affiliation Data
Dr. Sean Michael Wrenn is affiliated with 3 sites of care and 1 medical group
Dr. Wrenn's primary practice is Rush University Medical Center in Chicago, Illinois, part of Rush System for Health. Dr. Wrenn is also affiliated with Rush Oak Park Hospital. The medical group on file is Rush University Internists. Dmand AI also links Dr. Wrenn to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Sean Michael Wrenn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wrenn practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rush University Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Rush System for Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Sean Michael Wrenn is one of 56 surgical oncologists in Illinois
Surgical oncology is Dr. Wrenn's primary specialty in the NPI Registry, under taxonomy code 2086X0206X. Dr. Wrenn is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Wrenn's licenses on file in 4 states: Illinois, Massachusetts, Maine and Vermont.
Specialties and state licenses
- Surgical oncology, IllinoisPrimary
- Surgery, Massachusetts
- Maine license
- Vermont license
Clinical focus
Dmand AI lists thyroid surgery among the conditions Dr. Wrenn treats.
Surgical oncologists near Dr. Wrenn
Counts of surgical oncologists 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. Sean Michael Wrenn billed Medicare for 398 services in 2024
CMS data shows 398 Medicare services from Dr. Wrenn across 12 procedure codes in 2024, for 178 Medicare patients. Medicare paid $55,083 for them.
Dr. Wrenn's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1612024: 20225%
- Surgery
- 2023: 712024: 11258%
- Imaging
- 2023: 822024: 7212%
- Other services
- 2023: 132024: 128%
Where Dr. Wrenn's Medicare services took place, 2024
- In an office12531%
- In a facility27369%
Dr. Wrenn compared with the Illinois median for surgical oncologists, 2024
- Dr. Wrenn
- Illinois median
- Medicare services
- 398vs 20594% above
- Medicare patients
- 178vs 10668% above
- Part D claims
- 70vs 252.8 times
Medians across 50 surgical oncologists in Illinois with Dmand AI profiles that report each measure.
Dr. Wrenn'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.
Need commercial claims for Dr. Wrenn?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wrenn and other surgical oncologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sean Michael Wrenn treated 178 Medicare patients in 2024, average age 71
CMS counts 178 Medicare patients who saw Dr. Wrenn in 2024. The largest group is 65 to 74, with 83 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 1.87, 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. Wrenn's median patient age at 67, with 79% women.
Dr. Wrenn's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Wrenn's Medicare patients by sex, 2024
- Women12972%
- Men4928%
Chronic conditions among Dr. Wrenn's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Ischemic heart disease35%
- Chronic kidney disease33%
- Diabetes33%
- Osteoporosis32%
- Heart failure22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wrenn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women79%
- Men21%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sean Michael Wrenn wrote 115 Medicare Part D claims in 2024
In 2024, Dr. Wrenn wrote 115 Medicare Part D claims for 50 patients. 86% of them were for generic drugs. CMS names the drug for 70 of them, across 2 drugs with 11 or more claims each, at $623 in total drug cost. In 2023, CMS named 49 claims across 1 drug.
Dr. Wrenn's Part D claims by kind of drug, 2024
- Generic99 claims86%
- Brand-name16 claims14%
Dr. Wrenn'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 492024: 7043%
Drugs named by CMS: 2 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
Dr. Sean Michael Wrenn offers telehealth to Medicare patients
Dr. Wrenn accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Wrenn as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Sean Michael Wrenn has 29 publications on record
Dmand AI links 29 papers to Dr. Wrenn, published from 2012 to 2025. 2018 was the busiest year, with 3. The most frequent topics are Thyroid Neoplasms, Adrenal Cortex Neoplasms and Adrenocortical Carcinoma. Dr. Wrenn has published most often in JAMA Otolaryngol Head Neck Surg. Dr. Wrenn's most frequent co-authors are Trishul Kapoor, MD, Antoine Eskander, MD and Rajshri Mainthia Gartland, MD.
Dr. Wrenn's papers by year, 2012 to 2025
Topics Dr. Wrenn writes about most
- Thyroid Neoplasms
- Adrenal Cortex Neoplasms
- Adrenocortical Carcinoma
- Graft Survival
- Kidney Transplantation
- Lung
- Postoperative Complications
- Thyroidectomy
Dr. Wrenn's most frequent co-authors
- Trishul Kapoor, MD3 shared papers
- Antoine Eskander, MD2 shared papers
- Rajshri Mainthia Gartland, MD2 shared papers
Recent publications by Dr. Wrenn
J Am Acad Orthop Surg
JAMA Otolaryngol Head Neck Surg
See who Dr. Wrenn researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Wrenn works with, so you can find a warm path to the right surgical oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Sean Michael Wrenn received $108 in industry payments in 2023
CMS Open Payments shows 2 general payments to Dr. Wrenn from 2 drug and device companies in 2023. Food and beverage make up the largest share, 100% of the total. Exelixis Inc. paid the most, $87.
Companies that paid Dr. Wrenn the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sean Michael Wrenn has 5 awards and honors on record
Dmand AI lists 5 awards for Dr. Wrenn, most recently 2nd Place, Podium Presentation in 2017.
Awards and honors for Dr. Wrenn
- 2017
- 2nd Place, Podium Presentation
- 3rd Place, Podium Presentation
- Healthcare Hero Award
- 2016
- Poster of Distinction
- 2014
- Resident Teaching Award
Source: Dmand AI Professional Profile Data
Dr. Sean Michael Wrenn graduated from Rush Medical College
Dr. Wrenn graduated from Rush Medical College in 2013. Dr. Wrenn is a member of ACS, ATS, ASTS and SAGES.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Sean Michael Wrenn accepts plans from 19 insurance carriers
Dr. Wrenn is in network with 19 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Cigna
- HCSC
- United Healthcare
- Humana
- Aspirus Health Plan
- +11 more carriersWith a free account
Plan types Dr. Wrenn accepts, by number of carriers
- PPO12
- Medicare10
- HMO9
- POS7
- EPO4
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Sean Michael Wrenn'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 |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Sean Michael Wrenn
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. Sean Michael Wrenn's NPI number?
Dr. Sean Michael Wrenn's NPI number is 1831431261. It was assigned on March 24, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Sean Michael Wrenn?
Dr. Sean Michael Wrenn is a surgical oncologist in Chicago, Illinois. The primary specialty in the NPI Registry is Surgical Oncology Physician (taxonomy code 2086X0206X).
Where does Dr. Sean Michael Wrenn practice?
Dr. Wrenn practices at 1653 West Congress Parkway, Chicago, IL 60612. Dr. Wrenn's primary practice is Rush University Medical Center in Chicago, Illinois, part of Rush System for Health. Dmand AI also links Dr. Wrenn to 1 group practice or clinic.
What is Dr. Sean Michael Wrenn's office phone number?
The practice phone on file for Dr. Wrenn is (312) 942-5000.
What is Dr. Sean Michael Wrenn's medical license number?
Dr. Wrenn holds Illinois license 036-153599, one of the licenses on file in 4 states.
Which states has Dr. Sean Michael Wrenn been licensed in?
Dmand AI has state licenses on file for Dr. Wrenn in Illinois (2020 to 2026), Massachusetts (2019 to 2022), Maine (2020 to 2021) and Vermont (2013 to 2019).
Which hospitals is Dr. Sean Michael Wrenn affiliated with?
Dr. Wrenn practices at Rush University Medical Center in Chicago, Illinois. Dr. Wrenn is also affiliated with Rush Oak Park Hospital.
What medical group is Dr. Sean Michael Wrenn part of?
Dr. Wrenn is linked to Rush University Internists.
Does Dr. Sean Michael Wrenn accept Medicare?
Yes. CMS data shows Dr. Wrenn billed Medicare for 398 services in 2024, and Dr. Wrenn accepts Medicare assignment.
Does Dr. Sean Michael Wrenn offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Wrenn as offering telehealth services.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Sean Michael Wrenn see?
CMS counts 178 Medicare patients who saw Dr. Wrenn in 2024, with an average age of 71.
Is Dr. Sean Michael Wrenn board certified?
Yes. Dr. Wrenn is board certified in surgery by the American Board of Surgery.
What services does Dr. Sean Michael Wrenn bill to Medicare?
In 2024, Dr. Wrenn's most billed Medicare services were office visit, new patient (99204), office visit, established patient (99214) and surgery: skin and soft tissue (10005).
Where did Dr. Sean Michael Wrenn go to medical school?
Dr. Wrenn graduated from Rush Medical College in 2013.
What drugs does Dr. Sean Michael Wrenn prescribe most?
In 2024 Medicare Part D data, Dr. Wrenn's most prescribed drugs by claims were Levothyroxine Sodium and Alprazolam.
Has Dr. Sean Michael Wrenn received payments from drug or device companies?
CMS Open Payments shows $108 in general payments to Dr. Wrenn from 2 companies from 2023 to 2023. The largest total came from Exelixis Inc.
How long has Dr. Sean Michael Wrenn been practicing?
Dr. Wrenn graduated from medical school in 2013, 13 years ago.
Does Dr. Sean Michael Wrenn do research?
Dmand AI links 29 publications to Dr. Wrenn, published from 2012 to 2025.
Who does Dr. Sean Michael Wrenn publish with?
Dr. Wrenn's most frequent co-authors are Trishul Kapoor, MD (3 shared papers), Antoine Eskander, MD (2 shared papers) and Rajshri Mainthia Gartland, MD (2 shared papers).
What insurance does Dr. Sean Michael Wrenn accept?
Dr. Wrenn is in network with 19 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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