Quick answers
- Which hospitals does Mitchell Smielewski work at?
- Medicare's official clinician data lists Mitchell Smielewski at 1 hospital: Beaumont Hospital Royal Oak. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mitchell Smielewski see patients?
- Medicare's clinician data lists 3 practice locations, including Belleville, MI and Royal Oak, MI. Call before your visit to confirm the address.
- What is Mitchell Smielewski's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Mitchell Smielewski accept Medicare assignment?
- Yes. Medicare's clinician data says Mitchell Smielewski 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 Mitchell Smielewski?
- (734) 697-9065, as listed in official Medicare / NPI Registry data.
- What is Mitchell Smielewski's NPI number?
- 1851076392. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mitchell Smielewski works
Medicare's Facility Affiliation Data lists Mitchell Smielewski at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Beaumont Hospital Royal OakRoyal Oak, MI · Acute Care Hospital · CCN 230130
Practice locations
Addresses where Mitchell Smielewski is enrolled with Medicare (CMS data updated 2026-10-02).
- 201 3rd St, Suite 200Belleville, MI 48111 (734) 697‑9065
- 3535 W 13 Mile RdRoyal Oak, MI 48073 (248) 551‑3000
- 3601 W 13 Mile RdRoyal Oak, MI 48073
Group practices
Medicare enrollment lists Mitchell Smielewski as a member of this group (CMS data updated 2026-10-02).
- Oakwood Ambulatory LLC274 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Belleville
Clinicians with the same Medicare primary specialty in Belleville, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851076392 |
| 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