Quick answers
- Does Sean M. Forsythe accept Medicare assignment?
- Yes. Medicare's clinician data says Sean M. Forsythe 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. Forsythe see?
- In 2024, CMS data shows 335 Original Medicare patients and 963 services for Sean M. Forsythe. This counts Original Medicare only and measures volume, not quality.
- What is Sean M. Forsythe's NPI number?
- 1043297997. 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. Forsythe, 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 | 335 |
|---|---|
| Services billed to Medicare | 963 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Follow-up inpatient or observation ventilation assistance and management (94003)195 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)192 services
- Critical care, first 30-74 minutes (99291)159 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)125 services
- Test to measure rate of airflow (94375)76 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%
- Arthritis54%
- COPD51%
- Diabetes41%
- Ischemic heart disease39%
Hospitals where Sean M. Forsythe works
Medicare's Facility Affiliation Data lists Sean M. Forsythe 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.
- Loyola Gottlieb Memorial HospitalMelrose Park, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140008
- Loyola University Medical CenterMaywood, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140276
- MacNeal HospitalBerwyn, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140054
- Riverside Medical CenterKankakee, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140186
Practice locations
Addresses where Sean M. Forsythe is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1 S260 Summit AveOakbrook Terrace, IL 60181 (630) 953‑6600
- 17901 S La Grange RdTinley Park, IL 60487 (708) 327‑8300
- 2160 S 1st AveMaywood, IL 60153
- 300 N York RdElmhurst, IL 60126 (630) 833‑0630
- 5601 S County Line RdHinsdale, IL 60521 (630) 286‑4000
Group practices
Medicare enrollment lists Sean M. Forsythe as a member of this group (CMS data updated October 2, 2026).
- Loyola University Medical Center953 clinicians in the group
Specialties
- Pulmonary Diseaseprimary
- Internal Medicinealso
Other pulmonologists in Oakbrook Terrace
Clinicians with the same Medicare primary specialty in Oakbrook Terrace, IL — not a recommendation.
Other clinicians in Loyola University Medical Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 1991 (35 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) | 1043297997 |
| 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