Quick answers
- Where does Stanley S. Ostrow see patients?
- Medicare's clinician data lists 2 practice locations, including Port Jefferson Station, NY. Call before your visit to confirm the address.
- What is Stanley S. Ostrow's specialty?
- Medicare lists Hematology/Oncology as the primary specialty.
- Does Stanley S. Ostrow accept Medicare assignment?
- Yes. Medicare's clinician data says Stanley S. Ostrow 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 Stanley S. Ostrow?
- (631) 751-3000, as listed in official Medicare / NPI Registry data.
- What is Stanley S. Ostrow's NPI number?
- 1457355018. 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 Stanley S. Ostrow is enrolled with Medicare (CMS data updated 2026-10-02).
- 1500 Route 112, Suite 101Port Jefferson Station, NY 11776 (631) 751‑3000
- 49 Nesconset HwyPort Jefferson Station, NY 11776 (631) 751‑3000
Group practices
Medicare enrollment lists Stanley S. Ostrow as a member of this group (CMS data updated 2026-10-02).
- North Shore Hematology Oncology Associates PC479 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Port Jefferson Station
Clinicians with the same Medicare primary specialty in Port Jefferson Station, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York Downstate Medical Center |
| Graduation year | 1976 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457355018 |
| 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