Quick answers
- Where does Mark Singer see patients?
- Medicare's clinician data lists 1 practice location in Huntington, NY. Call before your visit to confirm the address.
- What is Mark Singer's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Mark Singer accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Singer 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 Mark Singer offer telehealth?
- Medicare's clinician data says Mark Singer offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark Singer?
- (631) 659-4400, as listed in official Medicare / NPI Registry data.
- What is Mark Singer's NPI number?
- 1477569416. 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 Mark Singer is enrolled with Medicare (CMS data updated 2026-10-02).
- 325 Park AveHuntington, NY 11743 (631) 659‑4400
Group practices
Medicare enrollment lists Mark Singer as a member of this group (CMS data updated 2026-10-02).
- North Shore Medical Group of the Mount Sinai School of Medicine331 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Huntington
Clinicians with the same Medicare primary specialty in Huntington, NY — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | New York College Of Osteo Medicine Of New York Institute Of Technology |
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1477569416 |
| 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