DR. LEON YANG ZHENG MD, PHD
NPI 1669037537
Pathology - Blood Banking & Transfusion Medicine in Worcester, MA
About Dr. Leon Yang Zheng Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LEON YANG ZHENG MD, PHD (NPI 1669037537) is an individual blood banking & transfusion medicine provider in Worcester, Massachusetts, licensed in Massachusetts (291681) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Medical Center/university Campus, and is a graduate of University Of Colorado School Of Medicine, Denver (2019).
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. Leon Yang Zheng Md, Phd 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 Leon Zheng 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
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Umass Memorial Medical Center/University Campus
Acute Care Hospitals · Worcester, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01655 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
WORCESTER, MA 01655
WORCESTER, MA 01655
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 Leon Zheng's NPI number?
The NPI number for Leon Zheng is 1669037537. It was assigned to this individual provider in the NPPES registry on May 7, 2019.
Where is Leon Zheng located?
Leon Zheng practices at 55 Lake Ave N, Worcester, MA 01655. The listed phone number is (508) 421-1950.
What is Leon Zheng's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Blood Banking & Transfusion Medicine, with taxonomy code 207ZB0001X.
Is Leon Zheng enrolled in Medicare?
Yes. Leon Zheng 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 Leon Zheng's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leon Zheng reassigns Medicare benefits to 2 organizations: Umass Memorial Medical Group Inc (Worcester, MA) and Brigham & Womens Physicians Organization 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 Leon Zheng's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Leon Zheng accept?
Health plans from Taro Health list Leon Zheng 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 Leon Zheng affiliated with any hospitals?
According to CMS data, Leon Zheng is affiliated with Umass Memorial Medical Center/University Campus.
When was this NPI record last updated?
The NPPES record for Leon Zheng was last updated on April 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.
# Dr. Leon Yang Zheng, MD, PHD · NPI 1669037537
Blood Banking & Transfusion Medicine physician in Worcester, Massachusetts. Individual provider, active in the CMS NPPES registry since May 7, 2019.
## Identity
- **NPI:** 1669037537 (Entity type: Individual)
- **Enumerated:** May 7, 2019
- **Primary specialty:** Pathology - Blood Banking & Transfusion Medicine · taxonomy 207ZB0001X
- **State license:** 291681 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 LAKE AVE N, Worcester, MA 01655-0002
- **Phone:** (508) 421-1950
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Umass Memorial Medical Group Inc (NPI 1760445373, Worcester, MA); Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Colorado School Of Medicine, Denver, class of 2019
## Record status
- **NPPES last updated:** April 29, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1669037537) · Data from the CMS NPPES public registry.