Quick answers
- Which hospitals does Stephen J. Ferrando work at?
- Medicare's official clinician data lists Stephen J. Ferrando at 1 hospital: Healthalliance Hospital Marys Avenue Campus. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stephen J. Ferrando see patients?
- Medicare's clinician data lists 3 practice locations, including Valhalla, NY and White Plains, NY. Call before your visit to confirm the address.
- What is Stephen J. Ferrando's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Stephen J. Ferrando accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen J. Ferrando 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 Stephen J. Ferrando?
- (914) 995-5905, as listed in official Medicare / NPI Registry data.
- What is Stephen J. Ferrando's NPI number?
- 1699862771. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stephen J. Ferrando works
Medicare's Facility Affiliation Data lists Stephen J. Ferrando at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Healthalliance Hospital Marys Avenue CampusKingston, NY · Acute Care Hospital · CCN 330224
Practice locations
Addresses where Stephen J. Ferrando is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Woods RdValhalla, NY 10595
- 112 E Post RdWhite Plains, NY 10601 (914) 995‑5905
- 95 Grasslands RdValhalla, NY 10595 (914) 493‑6940
Group practices
Medicare enrollment lists Stephen J. Ferrando as a member of these groups (CMS data updated 2026-10-02).
- Westchester Medical Center Advanced Physician Services PC897 clinicians in the group
- County of Westchester2 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Valhalla
Clinicians with the same Medicare primary specialty in Valhalla, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699862771 |
| 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