Quick answers
- Which hospitals does William D. Zelenty work at?
- Medicare's official clinician data lists William D. Zelenty at 2 hospitals: Hospital for Special Surgery and Morristown Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William D. Zelenty see patients?
- Medicare's clinician data lists 1 practice location in New York, NY. Call before your visit to confirm the address.
- What is William D. Zelenty's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does William D. Zelenty accept Medicare assignment?
- Yes. Medicare's clinician data says William D. Zelenty 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 William D. Zelenty offer telehealth?
- Medicare's clinician data says William D. Zelenty offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for William D. Zelenty?
- (646) 797-8471, as listed in official Medicare / NPI Registry data.
- What is William D. Zelenty's NPI number?
- 1831552173. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William D. Zelenty works
Medicare's Facility Affiliation Data lists William D. Zelenty at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hospital for Special SurgeryNew York, NY · Acute Care Hospital · CCN 330270
- Morristown Medical CenterMorristown, NJ · Acute Care Hospital · CCN 310015
Practice locations
Addresses where William D. Zelenty is enrolled with Medicare (CMS data updated 2026-10-02).
- 535 E 70th StNew York, NY 10021 (646) 797‑8471
Group practices
Medicare enrollment lists William D. Zelenty as a member of this group (CMS data updated 2026-10-02).
- NY Society for the Relief of Ruptured and Crippled Maintaining183 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York University Medical College - Nlg |
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1831552173 |
| 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