Quick answers
- Which hospitals does Stephanie B. Keller work at?
- Medicare's official clinician data lists Stephanie B. Keller at 1 hospital: Good Samaritan Hospital Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stephanie B. Keller see patients?
- Medicare's clinician data lists 2 practice locations, including Bay Shore, NY and Smithtown, NY. Call before your visit to confirm the address.
- What is Stephanie B. Keller's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Stephanie B. Keller accept Medicare assignment?
- Yes. Medicare's clinician data says Stephanie B. Keller 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 Stephanie B. Keller?
- (631) 666-2290, as listed in official Medicare / NPI Registry data.
- What is Stephanie B. Keller's NPI number?
- 1578366191. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stephanie B. Keller works
Medicare's Facility Affiliation Data lists Stephanie B. Keller at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Good Samaritan Hospital Medical CenterWest Islip, NY · Acute Care Hospital · CCN 330286
Practice locations
Addresses where Stephanie B. Keller is enrolled with Medicare (CMS data updated 2026-10-02).
- 1916 Union BlvdBay Shore, NY 11706 (631) 666‑2290
- 269 E Main St, Bldg DSmithtown, NY 11787 (631) 366‑4333
Group practices
Medicare enrollment lists Stephanie B. Keller as a member of this group (CMS data updated 2026-10-02).
- CHS Physician Partners PC743 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Bay Shore
Clinicians with the same Medicare primary specialty in Bay Shore, NY — not a recommendation.
Clinician information
| Graduation year | 2024 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578366191 |
| 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