Quick answers
- Where does Merrill Mathew see patients?
- Medicare's clinician data lists 1 practice location in Westport, CT. Call before your visit to confirm the address.
- What is Merrill Mathew's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Merrill Mathew accept Medicare assignment?
- Yes. Medicare's clinician data says Merrill Mathew 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 Merrill Mathew?
- (203) 227-1251, as listed in official Medicare / NPI Registry data.
- What is Merrill Mathew's NPI number?
- 1982098463. 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 Merrill Mathew is enrolled with Medicare (CMS data updated 2026-10-02).
- 47 Long Lots RdWestport, CT 06880 (203) 227‑1251
Group practices
Medicare enrollment lists Merrill Mathew as a member of this group (CMS data updated 2026-10-02).
- Hartford Healthcare Medical Group Specialists PLLC1,588 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Westport
Clinicians with the same Medicare primary specialty in Westport, CT — not a recommendation.
Clinician information
| Graduation year | 2015 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1982098463 |
| 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