Quick answers
- Where does Mathis W. Mateus see patients?
- Medicare's clinician data lists 2 practice locations, including Salem, NH and Lawrence, MA. Call before your visit to confirm the address.
- What is Mathis W. Mateus's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Mathis W. Mateus accept Medicare assignment?
- Yes. Medicare's clinician data says Mathis W. Mateus 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 Mathis W. Mateus?
- (603) 893-7400, as listed in official Medicare / NPI Registry data.
- What is Mathis W. Mateus's NPI number?
- 1255028668. 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 Mathis W. Mateus is enrolled with Medicare (CMS data updated 2026-10-02).
- 29 Stiles Rd, Suite 101Salem, NH 03079 (603) 893‑7400
- 360 Merrimack St, Suite 9Lawrence, MA 01843 (978) 688‑6182
Group practices
Medicare enrollment lists Mathis W. Mateus as a member of this group (CMS data updated 2026-10-02).
- Tallman Eye Associates PC15 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Salem
Clinicians with the same Medicare primary specialty in Salem, NH — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | New England College Of Optometry |
| Graduation year | 2023 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255028668 |
| 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