Quick answers
- Which hospitals does Richard A. Marshall work at?
- Medicare's official clinician data lists Richard A. Marshall at 2 hospitals: New York-Presbyterian/Queens and Valley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Richard A. Marshall see patients?
- Medicare's clinician data lists 8 practice locations, including Port Jefferson Station, NY, Forest Hills, NY and Port Washington, NY. Call before your visit to confirm the address.
- What is Richard A. Marshall's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Richard A. Marshall accept Medicare assignment?
- Yes. Medicare's clinician data says Richard A. Marshall 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 Richard A. Marshall?
- (631) 751-3000, as listed in official Medicare / NPI Registry data.
- What is Richard A. Marshall's NPI number?
- 1114351038. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Richard A. Marshall works
Medicare's Facility Affiliation Data lists Richard A. Marshall at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- New York-Presbyterian/QueensFlushing, NY · Acute Care Hospital · CCN 330055
- Valley HospitalParamus, NJ · Acute Care Hospital · CCN 310012
Practice locations
Addresses where Richard A. Marshall is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 1500 Route 112, Bldg 2Port Jefferson Station, NY 11776 (631) 751‑3000
- 21 Ivy CloseForest Hills, NY 11375 (718) 670‑1050
- 3 Terrace CtPort Washington, NY 11050 (201) 447‑8000
- 3225 Francis Lewis BlvdFlushing, NY 11358 (718) 428‑1500
- 5521 8th Ave, Fl 6Brooklyn, NY 11220 (718) 928‑2588
Group practices
Medicare enrollment lists Richard A. Marshall as a member of these groups (CMS data updated 2026-10-02).
- Valley Physician Services PC592 clinicians in the group
- North Shore Hematology Oncology Associates PC479 clinicians in the group
- Main Street Radiology at Bayside LLC56 clinicians in the group
- Radiology Associates of Main Street PC52 clinicians in the group
- Sunset Park Radiology PC33 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists 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 | Icahn School Of Medicine At Mount Sinai |
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1114351038 |
| 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