JOYCE S JEN M.D.
NPI 1780621896
Internal Medicine in Boston, MA
About Joyce S Jen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOYCE S JEN M.D. (NPI 1780621896) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (56449) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Beth Israel Deaconess Hospital - Needham, and is a graduate of Stanford University School Of Medicine (1983).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Joyce S Jen M.d. 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 Joyce Jen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 1,477 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 2,579 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 3
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Beth Israel Deaconess Hospital - Needham
Acute Care Hospitals · Needham, MABeth Israel Deaconess Medical Center
Acute Care Hospitals · Boston, MABeth Israel Deaconess Hospital - Milton
Acute Care Hospitals · Milton, MAFaulkner Hospital-Brigham And Women's
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02215 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
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.
BOSTON, MA 02215
BOSTON, MA 02215
BOSTON, MA 02215
BOSTON, MA 02215
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 Joyce Jen's NPI number?
The NPI number for Joyce Jen is 1780621896. It was assigned to this individual provider in the NPPES registry on May 31, 2006.
Where is Joyce Jen located?
Joyce Jen practices at 330 Brookline Ave Beth Israel Deaconess Medical Center, Boston, MA 02215. The listed phone number is (617) 667-2700.
What is Joyce Jen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Joyce Jen enrolled in Medicare?
Yes. Joyce 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 Joyce Jen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joyce Jen reassigns Medicare benefits to 2 organizations: Beth Israel Deaconess Medical Center, Inc. (Boston, MA) and Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA). 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 Joyce Jen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joyce Jen accept?
Health plans from Taro Health list Joyce Jen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Joyce Jen affiliated with any hospitals?
According to CMS data, Joyce Jen is affiliated with Beth Israel Deaconess Hospital - Needham, Beth Israel Deaconess Medical Center, Beth Israel Deaconess Hospital - Milton and Faulkner Hospital-Brigham And Women's.
When was this NPI record last updated?
The NPPES record for Joyce Jen was last updated on September 20, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.