Quick answers
- Which hospitals does Stanley Katz work at?
- Medicare's official clinician data lists Stanley Katz at 3 hospitals: Ns/Lij HS Southside Hospital, Peconic Bay Medical Center and Suny/Stony Brook University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stanley Katz see patients?
- Medicare's clinician data lists 2 practice locations, including Riverhead, NY and Manorville, NY. Call before your visit to confirm the address.
- What is Stanley Katz's specialty?
- Medicare lists Interventional Cardiology as the primary specialty, and also Cardiovascular Disease (Cardiology).
- Does Stanley Katz accept Medicare assignment?
- Yes. Medicare's clinician data says Stanley Katz 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 Katz?
- (631) 548-6000, as listed in official Medicare / NPI Registry data.
- What is Stanley Katz's NPI number?
- 1396890042. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stanley Katz works
Medicare's Facility Affiliation Data lists Stanley Katz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ns/Lij HS Southside HospitalBay Shore, NY · Acute Care Hospital · CCN 330043
- Peconic Bay Medical CenterRiverhead, NY · Acute Care Hospital · CCN 330107
- Suny/Stony Brook University HospitalStony Brook, NY · Acute Care Hospital · CCN 330393
Practice locations
Addresses where Stanley Katz is enrolled with Medicare (CMS data updated 2026-10-02).
- 1300 Roanoke AveRiverhead, NY 11901 (631) 548‑6000
- 496 County Rd, 111 Bldg DManorville, NY 11949 (631) 727‑7773
Group practices
Medicare enrollment lists Stanley Katz as a member of this group (CMS data updated 2026-10-02).
- Peconic Cardiology PC19 clinicians in the group
Specialties
Other interventional cardiologists in Riverhead
Clinicians with the same Medicare primary specialty in Riverhead, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1970 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396890042 |
| 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