Quick answers
- Where does Brett Simenhoff see patients?
- Medicare's clinician data lists 7 practice locations, including West Islip, NY, Rockville Center, NY and Hewlett, NY. Call before your visit to confirm the address.
- What is Brett Simenhoff's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Brett Simenhoff accept Medicare assignment?
- Yes. Medicare's clinician data says Brett Simenhoff 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.
- Does Brett Simenhoff offer telehealth?
- Medicare's clinician data says Brett Simenhoff offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Brett Simenhoff?
- (516) 705-3428, as listed in official Medicare / NPI Registry data.
- What is Brett Simenhoff's NPI number?
- 1710340021. 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 Brett Simenhoff is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1000 Montauk HwyWest Islip, NY 11795
- 1000 N Village AveRockville Center, NY 11570 (516) 705‑3428
- 1200 W Broadway, Suite 9Hewlett, NY 11557 (516) 616‑5500
- 125 Mineola Ave, Suite 200Roslyn Heights, NY 11577 (516) 616‑5500
- 140 Sherman St, Fl 2Fairfield, CT 06824 (516) 616‑5500
Group practices
Medicare enrollment lists Brett Simenhoff as a member of these groups (CMS data updated 2026-10-02).
- Good Samaritan Hospital Medical Center165 clinicians in the group
- Mercy Medical Center83 clinicians in the group
- St Charles Hospital Corp58 clinicians in the group
- New York Bariatric Surgery Group PLLC41 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in West Islip
Clinicians with the same Medicare primary specialty in West Islip, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1710340021 |
| 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