DR. WANKIN J YU MD
NPI 1477639656
Internal Medicine - Gastroenterology in Leominster, MA
About Dr. Wankin J Yu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WANKIN J YU MD (NPI 1477639656) is an individual gastroenterology provider in Leominster, Massachusetts, licensed in Massachusetts (059212) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1983).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 8
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. Wankin J Yu 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 Wankin Yu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Leominster, MA 01453
- Reassigned Medicare billing, Massachusetts enrollment
- 7 clinicians in this Medicare group
Leominster, MA 01453
- Reassigned Medicare billing, Massachusetts enrollment
- 2 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.
Physician 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.
Other Providers at the Same Location NPPES 15
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
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 Wankin Yu's NPI number?
The NPI number for Wankin Yu is 1477639656. It was assigned to this individual provider in the NPPES registry on October 31, 2006.
Where is Wankin Yu located?
Wankin Yu practices at 105 Erdman Way, Leominster, MA 01453. The listed phone number is (978) 466-7800.
What is Wankin Yu's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Wankin Yu enrolled in Medicare?
Yes. Wankin Yu 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 Wankin Yu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Wankin Yu reassigns Medicare benefits to 2 organizations: North Worcester Gastroenterology, P.C. (Leominster, MA) and Central Massachusetts Ambulatory Endoscopy Center LLC (Leominster, 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 Wankin Yu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Wankin Yu accept?
Health plans from Anthem Blue Cross and Blue Shield list Wankin Yu 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.
When was this NPI record last updated?
The NPPES record for Wankin Yu was last updated on January 21, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Dr. Wankin J Yu, MD · NPI 1477639656
Gastroenterology physician in Leominster, Massachusetts. Individual provider, active in the CMS NPPES registry since October 31, 2006.
## Identity
- **NPI:** 1477639656 (Entity type: Individual)
- **Enumerated:** October 31, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 059212 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 105 ERDMAN WAY, Leominster, MA 01453
- **Phone:** (978) 466-7800 · **Fax:** (978) 466-9333
## 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): North Worcester Gastroenterology, P.C. (NPI 1245567049, Leominster, MA); Central Massachusetts Ambulatory Endoscopy Center LLC (NPI 1073682159, Leominster, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1983
## Record status
- **NPPES last updated:** January 21, 2009
- **Other identifiers:** Other 059212; Medicaid 3033970 (MA); Medicare PIN J07107 (MA); and 5 more
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Source: [NPI Profile](https://npiprofile.com/npi/1477639656) · Data from the CMS NPPES public registry.