Quick answers
- Which hospitals does Mark Weidenbaum work at?
- Medicare's official clinician data lists Mark Weidenbaum at 1 hospital: New York-Presbyterian Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Weidenbaum see patients?
- Medicare's clinician data lists 3 practice locations, including New York, NY and Englewood, NJ. Call before your visit to confirm the address.
- What is Mark Weidenbaum's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Mark Weidenbaum accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Weidenbaum 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 Weidenbaum offer telehealth?
- Medicare's clinician data says Mark Weidenbaum offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark Weidenbaum?
- (212) 305-3870, as listed in official Medicare / NPI Registry data.
- What is Mark Weidenbaum's NPI number?
- 1538193636. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark Weidenbaum works
Medicare's Facility Affiliation Data lists Mark Weidenbaum at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- New York-Presbyterian HospitalNew York, NY · Acute Care Hospital · CCN 330101
Practice locations
Addresses where Mark Weidenbaum is enrolled with Medicare (CMS data updated 2026-10-02).
- 161 Fort Washington AveNew York, NY 10032 (212) 305‑3870
- 500 Grand Ave, Suite 1Englewood, NJ 07631 (212) 342‑8586
- 622 W 168th StNew York, NY 10032 (212) 305‑9876
Group practices
Medicare enrollment lists Mark Weidenbaum as a member of these groups (CMS data updated 2026-10-02).
- Trustees of Columbia University in the City of New York2,296 clinicians in the group
- Columbia Doctors of New Jersey P C59 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 | Columbia University College Of Physicians And Surgeons |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1538193636 |
| 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