DR. JENNY HUI LING YAN M.D.
NPI 1760457758
Internal Medicine in Leominster, MA
About Dr. Jenny Hui Ling Yan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JENNY HUI LING YAN M.D. (NPI 1760457758) is an individual internal medicine provider in Leominster, Massachusetts, licensed in Massachusetts (220454) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS, is affiliated with Umass Memorial Healthalliance Hospitals, and is a graduate of University Of Massachusetts Medical School (2001).
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
Dr. Jenny Hui Ling Yan 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 Jenny Yan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Worcester, MA 01655
- Reassigned Medicare billing, Massachusetts enrollment
- 2,902 clinicians in this Medicare group
Concord, MA 01742
- Reassigned Medicare billing, Massachusetts enrollment
- 451 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 4
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Umass Memorial Healthalliance Hospitals
Acute Care Hospitals · Leominster, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01453 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.
LEOMINSTER, MA 01453
LEOMINSTER, MA 01453
LEOMINSTER, MA 01453
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 Jenny Yan's NPI number?
The NPI number for Jenny Yan is 1760457758. It was assigned to this individual provider in the NPPES registry on February 22, 2006.
Where is Jenny Yan located?
Jenny Yan practices at 60 Hospital Rd Hospital Medicine, Leominster, MA 01453. The listed phone number is (978) 466-4169.
What is Jenny Yan's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Jenny Yan enrolled in Medicare?
Yes. Jenny Yan 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 Jenny Yan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jenny Yan reassigns Medicare benefits to 2 organizations: Umass Memorial Medical Group Inc (Worcester, MA) and Emerson Practice Associates, Inc. (Concord, 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 Jenny Yan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jenny Yan accept?
Health plans from Taro Health list Jenny Yan 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 Jenny Yan affiliated with any hospitals?
According to CMS data, Jenny Yan is affiliated with Umass Memorial Healthalliance Hospitals.
When was this NPI record last updated?
The NPPES record for Jenny Yan was last updated on November 10, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.