Thomas Edward Marsden
- Medicare patients, 2024
- 12
- Part D claims, 2024
- 49
- Publications
- 1
- MIPS score, 2024
- 88
- Hospital affiliations
- 1
- Practice address
- 5000 Hennessy Blvd, Baton Rouge, LA 70808
- Practice phone
- Call (225) 765-6565
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Thomas Marsden'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.
Thomas Edward Marsden is a cardiothoracic surgeon in Baton Rouge, Louisiana
Thomas Marsden practices at Our Lady of the Lake Regional Medical Center in Baton Rouge, Louisiana, part of Franciscan Missionaries of Our Lady.
Thomas Marsden's NPI, 1982109146, was assigned on March 28, 2018. Thomas Marsden graduated from Louisiana State University School of Medicine in Shreveport in 2018. Thomas Marsden holds Louisiana license 340504.
- NPI
- 1982109146NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658774963
- NPI enumeration date
- March 28, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (225) 765-6565
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- 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)
Thomas Edward Marsden practices at Our Lady of the Lake Regional Medical Center in Baton Rouge, Louisiana
Thomas Marsden's primary practice is Our Lady of the Lake Regional Medical Center, at 5000 Hennessy Blvd, Baton Rouge, LA 70808 in E. Baton Rouge Parish. The practice phone is (225) 765-6565.
- Our Lady of the Lake Regional Medical Center5000 Hennessy Blvd, Baton Rouge, LA 70808 · E. Baton Rouge ParishPhone(225) 765-6565
Source: Dmand AI Affiliation Data
Thomas Edward Marsden is affiliated with 2 sites of care and 1 medical group
Thomas Marsden's primary practice is Our Lady of the Lake Regional Medical Center in Baton Rouge, Louisiana, part of Franciscan Missionaries of Our Lady. The medical group on file is Our Lady of the Lake Physician Group. Dmand AI also links Thomas Marsden 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 Thomas Edward Marsden's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Thomas Marsden practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Our Lady of the Lake Regional Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Franciscan Missionaries of Our Lady and 6.2K+ hospitals, with verified contacts in the same login.
Thomas Edward Marsden is one of 71 cardiothoracic surgeons in Louisiana
Thoracic surgery (cardiothoracic vascular surgery) is Thomas Marsden's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Thomas Marsden is licensed in Louisiana.
Specialties and state licenses
- Thoracic surgery (cardiothoracic vascular surgery), LouisianaPrimary
Cardiothoracic surgeons near Thomas Marsden
Counts of cardiothoracic 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
Thomas Edward Marsden treated 12 Medicare patients in 2024, average age 71
CMS counts 12 Medicare patients who saw Thomas Marsden in 2024. The largest group is 85 and over, with 0 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 3.54, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Thomas Marsden's median patient age at 64, with 44% women.
Thomas Marsden's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Thomas Marsden's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Thomas Marsden's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women44%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Thomas Edward Marsden wrote 49 Medicare Part D claims in 2024
In 2024, Thomas Marsden wrote 49 Medicare Part D claims for 34 patients. 92% of them were for generic drugs. CMS names the drug for 24 of them, across 1 drug with 11 or more claims each, at $179 in total drug cost.
Thomas Marsden's Part D claims by kind of drug, 2024
- Generic45 claims92%
- Brand-name and other4 claims8%
Thomas Marsden'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 Thomas Marsden's Part D claims, 2024
- Opioids53%26 of 49 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
Thomas Edward Marsden scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Thomas Marsden for performance year 2024, reported as part of a group. Thomas Marsden accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Thomas Marsden's MIPS scores, performance year 2024
- 88of 100Final score
- 80.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Thomas Edward Marsden has 1 publication on record
Dmand AI links 1 paper to Thomas Marsden in 2022. Thomas Marsden's most frequent co-authors are Zhonglin Hao, MD, PhD and Suresh Keshavamurthy, MD.
Thomas Marsden's most frequent co-authors
Recent publications by Thomas Marsden
See who Thomas Marsden researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Thomas Marsden works with, so you can find a warm path to the right cardiothoracic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Thomas Edward Marsden received $1,936 in industry payments from 2024 to 2025
CMS Open Payments shows 10 general payments to Thomas Marsden from 6 drug and device companies from 2024 to 2025. Education make up the largest share, 77% of the total. Intuitive Surgical, Inc. paid the most, $1,518.
General payments to Thomas Marsden by program year, 2024 to 2025
General payments to Thomas Marsden by kind, 2024 to 2025
- Education$1,50077%
- Food and beverage$43623%
Companies that paid Thomas Marsden the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Thomas Edward Marsden graduated from Louisiana State University School of Medicine in Shreveport
Thomas Marsden graduated from Louisiana State University School of Medicine in Shreveport in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Thomas Edward Marsden'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 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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 Thomas Edward Marsden
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Thomas Edward Marsden's NPI number?
Thomas Edward Marsden's NPI number is 1982109146. It was assigned on March 28, 2018, and it is active in the NPI Registry.
What does Thomas Edward Marsden specialize in?
Thomas Edward Marsden is a cardiothoracic surgeon in Baton Rouge, Louisiana. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).
Where does Thomas Edward Marsden practice?
Thomas Marsden practices at 5000 Hennessy Blvd, Baton Rouge, LA 70808. Thomas Marsden's primary practice is Our Lady of the Lake Regional Medical Center in Baton Rouge, Louisiana, part of Franciscan Missionaries of Our Lady. Dmand AI also links Thomas Marsden to 1 group practice or clinic.
What is Thomas Edward Marsden's office phone number?
The practice phone on file for Thomas Marsden is (225) 765-6565.
What is Thomas Edward Marsden's medical license number?
Thomas Marsden holds Louisiana license 340504.
Which hospitals is Thomas Edward Marsden affiliated with?
Thomas Marsden practices at Our Lady of the Lake Regional Medical Center in Baton Rouge, Louisiana.
What medical group is Thomas Edward Marsden part of?
Thomas Marsden is linked to Our Lady of the Lake Physician Group.
Does Thomas Edward Marsden accept Medicare?
Yes. CMS lists Thomas Marsden as accepting Medicare assignment.
What is Thomas Edward Marsden's MIPS score?
Thomas Marsden's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
How many Medicare patients does Thomas Edward Marsden see?
CMS counts 12 Medicare patients who saw Thomas Marsden in 2024, with an average age of 71.
Show 6 more questionsShow fewer questions
Where did Thomas Edward Marsden go to medical school?
Thomas Marsden graduated from Louisiana State University School of Medicine in Shreveport in 2018.
What drugs does Thomas Edward Marsden prescribe most?
In 2024 Medicare Part D data, Thomas Marsden's most prescribed drugs by claims were Oxycodone HCl.
Has Thomas Edward Marsden received payments from drug or device companies?
CMS Open Payments shows $1,936 in general payments to Thomas Marsden from 6 companies from 2024 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Thomas Edward Marsden been practicing?
Thomas Marsden graduated from medical school in 2018, 8 years ago.
Does Thomas Edward Marsden do research?
Dmand AI links 1 publication to Thomas Marsden.
Who does Thomas Edward Marsden publish with?
Thomas Marsden's most frequent co-authors are Zhonglin Hao, MD, PhD (1 shared paper) and Suresh Keshavamurthy, MD (1 shared paper).
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