Quick answers
- Which hospitals does Gregory G. Messenger work at?
- Medicare's official clinician data lists Gregory G. Messenger at 3 hospitals: Edward W Sparrow Hospital, McLaren Central Michigan and MyMichigan Medical Center Clare. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory G. Messenger see patients?
- Medicare's clinician data lists 2 practice locations, including Lansing, MI and Mount Pleasant, MI. Call before your visit to confirm the address.
- What is Gregory G. Messenger's specialty?
- Medicare lists Dermatology as the primary specialty.
- Does Gregory G. Messenger accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory G. Messenger 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 Gregory G. Messenger?
- (517) 487-0128, as listed in official Medicare / NPI Registry data.
- What is Gregory G. Messenger's NPI number?
- 1851340012. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory G. Messenger works
Medicare's Facility Affiliation Data lists Gregory G. Messenger 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
- McLaren Central MichiganMount Pleasant, MI · Acute Care Hospital · CCN 230080
- MyMichigan Medical Center ClareClare, MI · Acute Care Hospital · CCN 230180
Practice locations
Addresses where Gregory G. Messenger is enrolled with Medicare (CMS data updated 2026-10-02).
- 1515 Lake Lansing Rd, Suite ALansing, MI 48912 (517) 487‑0128
- 1775 E Bellows StMount Pleasant, MI 48858 (989) 773‑0096
Group practices
Medicare enrollment lists Gregory G. Messenger as a member of this group (CMS data updated 2026-10-02).
- Messenger and Sons Dermatology PLLC9 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Lansing
Clinicians with the same Medicare primary specialty in Lansing, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 1980 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851340012 |
| 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