DR. JAMES JEN MD
NPI 1760680672
Surgery - Vascular Surgery in Purchase, NY
About Dr. James Jen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES JEN MD (NPI 1760680672) is an individual vascular surgery provider in Purchase, New York, licensed in New York (259898) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS, is affiliated with St Joseph's Medical Center, and is a graduate of State University Of New York At Stony Brook, School Of Medicine (2006).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. James Jen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show James Jen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rye Brook, NY 10573
- Reassigned Medicare billing, Connecticut and New York enrollments
- 186 clinicians in this Medicare group
Harrison, NY 10528
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: St Joseph's Hospital Yonkers
- 233 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 21
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Joseph's Medical Center
Acute Care Hospitals · Yonkers, NYWhite Plains Hospital Center
Acute Care Hospitals · White Plains, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10577 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PURCHASE, NY 10577
PURCHASE, NY 10577
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is James Jen's NPI number?
The NPI number for James Jen is 1760680672. It was assigned to this individual provider in the NPPES registry on July 3, 2007.
Where is James Jen located?
James Jen practices at 3030 Westchester Ave, Purchase, NY 10577. The listed phone number is (914) 848-8750.
What is James Jen's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.
Is James Jen enrolled in Medicare?
Yes. James Jen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for James Jen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Jen reassigns Medicare benefits to 2 organizations: Westchester Medical Group, P.C. (Rye Brook, NY) and St.Vincent' Hospital Westchester Psych (Harrison, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Jen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is James Jen affiliated with any hospitals?
According to CMS data, James Jen is affiliated with St Joseph's Medical Center and White Plains Hospital Center.
When was this NPI record last updated?
The NPPES record for James Jen was last updated on February 15, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.