Quick answers
- Does Sean M. Garrean accept Medicare assignment?
- Yes. Medicare's clinician data says Sean M. Garrean 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 M. Garrean see?
- In 2024, CMS data shows 294 Original Medicare patients and 463 services for Sean M. Garrean. This counts Original Medicare only and measures volume, not quality.
- What is Sean M. Garrean's NPI number?
- 1942459664. 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 M. Garrean, 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 | 294 |
|---|---|
| Services billed to Medicare | 463 |
| Different services or procedures | 52 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Biopsy of large bowel using a flexible endoscope (45380)93 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)84 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)51 services
- Colorectal cancer screening; colonoscopy on individual at high risk (G0105)45 services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)31 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 cholesterol73%
- Arthritis48%
- Ischemic heart disease31%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)31%
- Anxiety30%
Hospitals where Sean M. Garrean works
Medicare's Facility Affiliation Data lists Sean M. Garrean 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.
- Parkview Huntington HospitalHuntington, IN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 150091
- Parkview Regional Medical CenterFort Wayne, IN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 150021
Practice locations
Addresses where Sean M. Garrean is enrolled with Medicare (CMS data updated October 2, 2026).
- 11104 Parkview Circle DrFort Wayne, IN 46845 (206) 266‑5400
- 11109 Parkview Plaza DrFort Wayne, IN 46845
- 11109 Parkview Plaza Dr, Suite 117Fort Wayne, IN 46845
- 11115 Parkview Plaza DrFort Wayne, IN 46845
- 207 N Townline RdLagrange, IN 46761
Group practices
Medicare enrollment lists Sean M. Garrean as a member of this group (CMS data updated October 2, 2026).
- Parkview Health System Inc1,377 clinicians in the group
Specialties
Find other Colorectal Surgery (Proctology) doctors in Indiana →
Other colorectal surgeons 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 | Northwestern University Feinberg Medical School |
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942459664 |
| 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