Quick answers
- Which hospitals does Corey J. Lager work at?
- Medicare's official clinician data lists Corey J. Lager at 4 hospitals: Bronson Battle Creek Hospital, Bronson Lakeview Hospital, Bronson Methodist Hospital and Bronson South Haven Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Corey J. Lager see patients?
- Medicare's clinician data lists 3 practice locations, including Portage, MI and Kalamazoo, MI. Call before your visit to confirm the address.
- What is Corey J. Lager's specialty?
- Medicare lists Endocrinology as the primary specialty.
- Does Corey J. Lager accept Medicare assignment?
- Yes. Medicare's clinician data says Corey J. Lager 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.
- Does Corey J. Lager offer telehealth?
- Medicare's clinician data says Corey J. Lager offers telehealth services. Ask the office which visits can be done by video or phone.
- What is Corey J. Lager's NPI number?
- 1295171189. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Corey J. Lager works
Medicare's Facility Affiliation Data lists Corey J. Lager at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bronson Battle Creek HospitalBattle Creek, MI · Acute Care Hospital · CCN 230075
- Bronson Lakeview HospitalPaw Paw, MI · Critical Access Hospital · CCN 231332
- Bronson Methodist HospitalKalamazoo, MI · Acute Care Hospital · CCN 230017
- Bronson South Haven HospitalSouth Haven, MI · Acute Care Hospital · CCN 230085
Practice locations
Addresses where Corey J. Lager is enrolled with Medicare (CMS data updated 2026-10-02).
- 2825 Airview BlvdPortage, MI 49002
- 601 John StKalamazoo, MI 49007
- 7901 S 12th StPortage, MI 49024
Group practices
Medicare enrollment lists Corey J. Lager as a member of this group (CMS data updated 2026-10-02).
- Bronson Methodist Hospital729 clinicians in the group
Specialties
- Endocrinologyprimary
Other endocrinologists in Michigan
Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1295171189 |
| 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