Quick answers
- Which hospitals does Sean A. Cassleman work at?
- Medicare's official clinician data lists Sean A. Cassleman at 5 hospitals: Beaumont Hospital - Grosse Pointe, Henry Ford Health Hospital, Henry Ford Health St John Hospital, Henry Ford Health Warren Hospital and Henry Ford Macomb Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sean A. Cassleman see patients?
- Medicare's clinician data lists 1 practice location in Saint Clair Shores, MI. Call before your visit to confirm the address.
- What is Sean A. Cassleman's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Sean A. Cassleman accept Medicare assignment?
- Yes. Medicare's clinician data says Sean A. Cassleman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Sean A. Cassleman?
- (586) 498-3610, as listed in official Medicare / NPI Registry data.
- What is Sean A. Cassleman's NPI number?
- 1720404775. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sean A. Cassleman works
Medicare's Facility Affiliation Data lists Sean A. Cassleman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Beaumont Hospital - Grosse PointeGrosse Pointe, MI · Acute Care Hospital · CCN 230089
- Henry Ford Health HospitalDetroit, MI · Acute Care Hospital · CCN 230053
- Henry Ford Health St John HospitalDetroit, MI · Acute Care Hospital · CCN 230165
- Henry Ford Health Warren HospitalWarren, MI · Acute Care Hospital · CCN 230195
- Henry Ford Macomb HospitalClinton Township, MI · Acute Care Hospital · CCN 230047
Practice locations
Addresses where Sean A. Cassleman is enrolled with Medicare (CMS data updated 2026-10-02).
- 21000 E 12 Mile Rd, Suite 105Saint Clair Shores, MI 48081 (586) 498‑3610
Group practices
Medicare enrollment lists Sean A. Cassleman as a member of this group (CMS data updated 2026-10-02).
- Henry Ford Semi Medical Group240 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Saint Clair Shores
Clinicians with the same Medicare primary specialty in Saint Clair Shores, MI — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Michigan State University College Of Osteopathic Medicine |
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1720404775 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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