DR. IOU-REN EDWARD CHANG DO
NPI 1376162255
Orthopaedic Surgery in Pittsburgh, PA
About Dr. Iou-ren Edward Chang Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. IOU-REN EDWARD CHANG DO (NPI 1376162255) is an individual orthopaedic surgery provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (OS025059) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Allegheny General Hospital, and is a graduate of Lincoln Mem Univ, Debusk Col Of Osteopathic Med (2020).
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. Iou-ren Edward Chang Do 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 Iou-ren Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Pittsburgh, PA 15212
- Reassigned Medicare billing, Pennsylvania enrollment
- 2,881 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Allegheny General Hospital
Acute Care Hospitals · Pittsburgh, PAAhn Wexford Hospital
Acute Care Hospitals · Wexford, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 15212 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.
PITTSBURGH, PA 15212
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 Iou-ren Chang's NPI number?
The NPI number for Iou-ren Chang is 1376162255. It was assigned to this individual provider in the NPPES registry on April 10, 2020.
Where is Iou-ren Chang located?
Iou-ren Chang practices at 1307 Federal St Ste 2, Pittsburgh, PA 15212. The listed phone number is (877) 660-6777.
What is Iou-ren Chang's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Iou-ren Chang enrolled in Medicare?
Yes. Iou-ren 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 Iou-ren Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Iou-ren Chang reassigns Medicare benefits to Allegheny Clinic (Pittsburgh, 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 Iou-ren Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Iou-ren Chang accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 1 other insurer list Iou-ren Chang 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 Iou-ren Chang affiliated with any hospitals?
According to CMS data, Iou-ren Chang is affiliated with Allegheny General Hospital and Ahn Wexford Hospital.
When was this NPI record last updated?
The NPPES record for Iou-ren Chang was last updated on September 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days 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. Iou-Ren Edward Chang, DO · NPI 1376162255
Orthopaedic Surgery physician in Pittsburgh, Pennsylvania. Individual provider, active in the CMS NPPES registry since April 10, 2020.
## Identity
- **NPI:** 1376162255 (Entity type: Individual)
- **Enumerated:** April 10, 2020
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** OS025059 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 1307 FEDERAL ST STE 2, Pittsburgh, PA 15212-4769
- **Phone:** (877) 660-6777 · **Fax:** (412) 359-8055
## 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:** Allegheny Clinic (NPI 1043210420, Pittsburgh, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Lincoln Mem Univ, Debusk Col Of Osteopathic Med, class of 2020
## Record status
- **NPPES last updated:** September 14, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1376162255) · Data from the CMS NPPES public registry.