Quick answers
- Where does Matthew L. Davis see patients?
- Medicare's clinician data lists 2 practice locations, including Niles, MI and Saint Joseph, MI. Call before your visit to confirm the address.
- What is Matthew L. Davis's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Matthew L. Davis accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew L. Davis 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 Matthew L. Davis?
- (269) 684-4270, as listed in official Medicare / NPI Registry data.
- What is Matthew L. Davis's NPI number?
- 1528004744. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Matthew L. Davis is enrolled with Medicare (CMS data updated 2026-10-02).
- 115 S Saint Joseph AveNiles, MI 49120 (269) 684‑4270
- 3950 Hollywood Rd, Suite 245Saint Joseph, MI 49085 (269) 982‑7844
Group practices
Medicare enrollment lists Matthew L. Davis as a member of this group (CMS data updated 2026-10-02).
- Berrien Mental Health Authority21 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Michigan
Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana University School Of Medicine |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1528004744 |
| 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
- 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