Quick answers
- Which hospitals does Mark B. Stoopler work at?
- Medicare's official clinician data lists Mark B. Stoopler at 2 hospitals: Hudson Valley Hospital Center and New York-Presbyterian Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark B. Stoopler see patients?
- Medicare's clinician data lists 2 practice locations, including Cortlandt Manor, NY and New York, NY. Call before your visit to confirm the address.
- What is Mark B. Stoopler's specialty?
- Medicare lists Medical Oncology as the primary specialty, and also Internal Medicine.
- Does Mark B. Stoopler accept Medicare assignment?
- Yes. Medicare's clinician data says Mark B. Stoopler 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 Mark B. Stoopler?
- (914) 293-8700, as listed in official Medicare / NPI Registry data.
- What is Mark B. Stoopler's NPI number?
- 1295833937. 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 B. Stoopler works
Medicare's Facility Affiliation Data lists Mark B. Stoopler at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hudson Valley Hospital CenterCortlandt Manor, NY · Acute Care Hospital · CCN 330267
- New York-Presbyterian HospitalNew York, NY · Acute Care Hospital · CCN 330101
Practice locations
Addresses where Mark B. Stoopler is enrolled with Medicare (CMS data updated 2026-10-02).
- 1978 Crompond RdCortlandt Manor, NY 10567 (914) 293‑8700
- 622 W 168th StNew York, NY 10032 (212) 305‑9876
Group practices
Medicare enrollment lists Mark B. Stoopler 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
- The Westchester Medical Practice PC196 clinicians in the group
Specialties
- Medical Oncologyprimary
- Internal Medicinealso
Other oncologists in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Js Weill Medical College, Cornell University |
| Graduation year | 1975 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1295833937 |
| 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