Quick answers
- Does Sean T. Brennan accept Medicare assignment?
- Yes. Medicare's clinician data says Sean T. Brennan 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 Sean T. Brennan see?
- In 2024, CMS data shows 285 Original Medicare patients and 8,991 services for Sean T. Brennan. This counts Original Medicare only and measures volume, not quality.
- What is Sean T. Brennan's NPI number?
- 1821103698. 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 Sean T. Brennan, 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 | 285 |
|---|---|
| Services billed to Medicare | 8,991 |
| Different services or procedures | 45 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)419 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)367 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)180 services
- Administration of influenza virus vaccine (G0008)56 services
- Influenza vaccine split virus, preservative free (90662)50 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 pressure69%
- High cholesterol61%
- Diabetes37%
- Arthritis34%
- Ischemic heart disease22%
- Anxiety21%
Hospitals where Sean T. Brennan works
Medicare's Facility Affiliation Data lists Sean T. Brennan 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.
- Community Hospitals and Wellness CentersBryan, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 360121
- Parkview Dekalb HospitalAuburn, IN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 150045
- Parkview Noble HospitalKendallville, IN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 150146
- Parkview Regional Medical CenterFort Wayne, IN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 150021
- Parkview Whitley HospitalColumbia City, IN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 150101
Practice locations
Addresses where Sean T. Brennan is enrolled with Medicare (CMS data updated October 2, 2026).
- 3909 New Vision DrFort Wayne, IN 46845
- 817 Trail Ridge RdAlbion, IN 46701 (260) 373‑9590
Group practices
Medicare enrollment lists Sean T. Brennan as a member of this group (CMS data updated October 2, 2026).
- Parkview Health System Inc1,377 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Fort Wayne
Clinicians with the same Medicare primary specialty in Fort Wayne, IN — not a recommendation.
Other clinicians in Parkview Health System Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana University School Of Medicine |
| Graduation year | 1993 (33 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1821103698 |
| 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