Quick answers
- Which hospitals does James Jen work at?
- Medicare's official clinician data lists James Jen at 3 hospitals: Greenwich Hospital Association -, St Joseph's Medical Center and White Plains Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James Jen see patients?
- Medicare's clinician data lists 2 practice locations, including Purchase, NY and Greenwich, CT. Call before your visit to confirm the address.
- What is James Jen's specialty?
- Medicare lists Vascular Surgery as the primary specialty.
- Does James Jen accept Medicare assignment?
- Yes. Medicare's clinician data says James Jen 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 James Jen?
- (914) 831-4100, as listed in official Medicare / NPI Registry data.
- What is James Jen's NPI number?
- 1760680672. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James Jen works
Medicare's Facility Affiliation Data lists James Jen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Greenwich Hospital Association -Greenwich, CT · Acute Care Hospital · CCN 070018
- St Joseph's Medical CenterYonkers, NY · Acute Care Hospital · CCN 330006
- White Plains Hospital CenterWhite Plains, NY · Acute Care Hospital · CCN 330304
Practice locations
Addresses where James Jen is enrolled with Medicare (CMS data updated 2026-10-02).
- 3030 Westchester AvePurchase, NY 10577 (914) 831‑4100
- 5 Perryridge RdGreenwich, CT 06830 (203) 863‑3000
Group practices
Medicare enrollment lists James Jen as a member of this group (CMS data updated 2026-10-02).
- Westchester Medical Group, P.C415 clinicians in the group
Specialties
- Vascular Surgeryprimary
Other vascular surgeons in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York At Stony Brook, School Of Medicine |
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1760680672 |
| 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