Quick answers
- Where does Matthew Lewis see patients?
- Medicare's clinician data lists 1 practice location in Mount Kisco, NY. Call before your visit to confirm the address.
- What is Matthew Lewis's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Matthew Lewis accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew Lewis 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 Lewis?
- (914) 241-1050, as listed in official Medicare / NPI Registry data.
- What is Matthew Lewis's NPI number?
- 1639335292. 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 Lewis is enrolled with Medicare (CMS data updated 2026-10-02).
- 90 S Bedford RdMount Kisco, NY 10549 (914) 241‑1050
Group practices
Medicare enrollment lists Matthew Lewis as a member of this group (CMS data updated 2026-10-02).
- Optum Medical Care PC1,010 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Mount Kisco
Clinicians with the same Medicare primary specialty in Mount Kisco, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | St. Louis College Of Physicians And Surgeons |
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639335292 |
| 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