BENJAMIN BANSUN CHANG MD
NPI 1023008117
Surgery - Vascular Surgery in Williamsport, PA
About Benjamin Bansun Chang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BENJAMIN BANSUN CHANG MD (NPI 1023008117) is an individual vascular surgery provider in Williamsport, Pennsylvania, licensed in Pennsylvania (MD476246) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Upmc Williamsport, and is a graduate of Albany Medical College Of Union University (1982).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 1
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
Benjamin Bansun Chang 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 Reassignment
Medicare enrollment records show Benjamin Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Williamsport, PA 17701
- Reassigned Medicare billing, Pennsylvania enrollment
- 26 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 12
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.
Upmc Williamsport
Acute Care Hospitals · Williamsport, PAUpmc Wellsboro
Critical Access Hospitals · Wellsboro, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17701 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WILLIAMSPORT, PA 17701
WILLIAMSPORT, PA 17701
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 Benjamin Chang's NPI number?
The NPI number for Benjamin Chang is 1023008117. It was assigned to this individual provider in the NPPES registry on October 28, 2005.
Where is Benjamin Chang located?
Benjamin Chang practices at 740 High St Ste 2001, Williamsport, PA 17701. The listed phone number is (703) 212-8055.
What is Benjamin Chang's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.
Is Benjamin Chang enrolled in Medicare?
Yes. Benjamin Chang 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 organization bills Medicare for Benjamin Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Benjamin Chang reassigns Medicare benefits to Susquehanna Physician Services (Williamsport, PA). The 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 Benjamin Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Benjamin Chang affiliated with any hospitals?
According to CMS data, Benjamin Chang is affiliated with Upmc Williamsport and Upmc Wellsboro.
When was this NPI record last updated?
The NPPES record for Benjamin Chang was last updated on January 6, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Benjamin Bansun Chang, MD · NPI 1023008117
Vascular Surgery physician in Williamsport, Pennsylvania. Individual provider, active in the CMS NPPES registry since October 28, 2005.
## Identity
- **NPI:** 1023008117 (Entity type: Individual)
- **Enumerated:** October 28, 2005
- **Primary specialty:** Surgery - Vascular Surgery · taxonomy 2086S0129X
- **State license:** MD476246 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 740 HIGH ST STE 2001, Williamsport, PA 17701-3102
- **Phone:** (703) 212-8055
## 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:** Susquehanna Physician Services (NPI 1962446971, Williamsport, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Albany Medical College Of Union University, class of 1982
## Record status
- **NPPES last updated:** January 6, 2022
- **Other identifiers:** Medicaid 01022251 (NY)
---
Source: [NPI Profile](https://npiprofile.com/npi/1023008117) · Data from the CMS NPPES public registry.