Quick answers
- Does Brent D. Marsden accept Medicare assignment?
- Yes. Medicare's clinician data says Brent D. Marsden accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Brent D. Marsden see?
- In 2024, CMS data shows 576 Original Medicare patients and 1,524 services for Brent D. Marsden. This counts Original Medicare only and measures volume, not quality.
- What is Brent D. Marsden's NPI number?
- 1114051612. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Brent D. Marsden, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 576 |
|---|---|
| Services billed to Medicare | 1,524 |
| Different services or procedures | 96 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)377 services
- Ultrasound of both sides of head and neck blood flow (93880)203 services
- Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts (93978)92 services
- Ultrasound study of arm and leg arteries (93922)88 services
- Complete ultrasound study of arm and leg arteries (93923)72 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease58%
- Arthritis45%
- Diabetes41%
- Chronic kidney disease35%
Hospitals where Brent D. Marsden works
Medicare's Facility Affiliation Data lists Brent D. Marsden at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Ascension St Vincent CarmelCarmel, IN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 150157
- Ascension St Vincent HospitalIndianapolis, IN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 150084
- Hendricks Regional HealthDanville, IN · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 150005
- St Vincent Heart CenterCarmel, IN · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 150153
- Union Hospital IncTerre Haute, IN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 150023
Practice locations
Addresses where Brent D. Marsden is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 13; the Medicare profile lists all.
- 1000 N 16th StNew Castle, IN 47362
- 10580 N Meridian StCarmel, IN 46290 (317) 583‑5000
- 10590 N Meridian StCarmel, IN 46290
- 1206 E National AveBrazil, IN 47834 (812) 442‑2480
- 1310 S Lebanon St, Suite BLebanon, IN 46052 (317) 583‑7627
Group practices
Medicare enrollment lists Brent D. Marsden as a member of this group (CMS data updated October 2, 2026).
- St Vincent Medical Group Inc736 clinicians in the group
Specialties
- Vascular Surgeryprimary
Other vascular surgeons in Indiana
Clinicians with the same Medicare primary specialty in Indiana — not a recommendation.
Other clinicians in St Vincent Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Southern Illinois University School Of Medicine |
| Graduation year | 2004 (22 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1114051612 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians