Quick answers
- Which hospitals does John M. Nelson work at?
- Medicare's official clinician data lists John M. Nelson at 1 hospital: Phelps Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John M. Nelson see patients?
- Medicare's clinician data lists 2 practice locations, including New Hyde Park, NY and Stamford, CT. Call before your visit to confirm the address.
- What is John M. Nelson's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does John M. Nelson accept Medicare assignment?
- Yes. Medicare's clinician data says John M. Nelson 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 John M. Nelson?
- (718) 470-7260, as listed in official Medicare / NPI Registry data.
- What is John M. Nelson's NPI number?
- 1245328103. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John M. Nelson works
Medicare's Facility Affiliation Data lists John M. Nelson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Phelps HospitalSleepy Hollow, NY · Acute Care Hospital · CCN 330261
Practice locations
Addresses where John M. Nelson is enrolled with Medicare (CMS data updated 2026-10-02).
- 27005 76th Ave, Suite 222New Hyde Park, NY 11040 (718) 470‑7260
- 32 Strawberry Hill CtStamford, CT 06902 (914) 967‑8708
Group practices
Medicare enrollment lists John M. Nelson as a member of this group (CMS data updated 2026-10-02).
- North Shore-Lij Medical PC6,440 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in New Hyde Park
Clinicians with the same Medicare primary specialty in New Hyde Park, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Icahn School Of Medicine At Mount Sinai |
| Graduation year | 1979 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245328103 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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