Quick answers
- Which hospitals does Brett Gerstner work at?
- Medicare's official clinician data lists Brett Gerstner at 1 hospital: Edward W Sparrow Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Brett Gerstner see patients?
- Medicare's clinician data lists 1 practice location in Lansing, MI. Call before your visit to confirm the address.
- What is Brett Gerstner's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Brett Gerstner accept Medicare assignment?
- Yes. Medicare's clinician data says Brett Gerstner 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 Brett Gerstner?
- (517) 364-1000, as listed in official Medicare / NPI Registry data.
- What is Brett Gerstner's NPI number?
- 1013356021. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Brett Gerstner works
Medicare's Facility Affiliation Data lists Brett Gerstner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Edward W Sparrow HospitalLansing, MI · Acute Care Hospital · CCN 230230
Practice locations
Addresses where Brett Gerstner is enrolled with Medicare (CMS data updated 2026-10-02).
- 1215 E Michigan AveLansing, MI 48912 (517) 364‑1000
Group practices
Medicare enrollment lists Brett Gerstner as a member of this group (CMS data updated 2026-10-02).
- Vituity - Michigan Em PC52 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Lansing
Clinicians with the same Medicare primary specialty in Lansing, MI — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Michigan State University College Of Osteopathic Medicine |
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1013356021 |
| 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