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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. WILLIAM W CHANG MD
NPI 1083095178
Surgery in Pittsburgh, PA

Active since June 15, 2015PECOS Enrolled
3471 5TH AVE STE 101, PITTSBURGH, PA 15213(412) 647-0467 Get Directions Write a Review

NPPES record last updated: July 28, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 28, 2026, Aug 25, 2021, Jun 23, 2021 (3 updates tracked since 2021).

About Dr. William W Chang Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM W CHANG MD (NPI 1083095178) is an individual surgery provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (MD493557) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1083095178
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. WILLIAM W CHANGCredential: MD
Location Address3471 5TH AVE STE 101Pittsburgh, PA 15213-3218
Mailing Address3471 5th Ave Ste 101Pittsburgh, PA 15213-3218 · (412) 647-0467
Phone(412) 647-0467
Sole ProprietorYes
Enumeration DateJune 15, 2015
Last NPPES UpdateJuly 28, 20263 updates tracked since enumeration
NPPES CertifiedJuly 28, 2026
✔ NPI 1083095178 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in PA · MD493557
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
3471 5TH AVE STE 101, Pittsburgh, PA 15213
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William W Chang Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 15213 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.88 typical visit price
range $54.64 – $166.87
Typical copayment $21.22 (range $13.66 – $41.71)
Most-billed visit code 99203
Established Patient
$68.36 typical visit price
range $17.33 – $135.84
Typical copayment $17.09 (range $4.33 – $33.96)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MISS MELODY HOPE YU PA-C
Physician Assistant (Surgical)
3471 5TH AVE STE 101
PITTSBURGH, PA 15213
Allegheny County (412) 647-0467
ALAA SADA M.D
Surgery
3471 5TH AVE STE 101
PITTSBURGH, PA 15213
Allegheny County (412) 647-0467
EMMA TRACEY HUMES PA-C
Physician Assistant
3471 5TH AVE STE 101
PITTSBURGH, PA 15213
Allegheny County (412) 647-0467

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 William Chang's NPI number?

The NPI number for William Chang is 1083095178. It was assigned to this individual provider in the NPPES registry on June 15, 2015.

Where is William Chang located?

William Chang practices at 3471 5th Ave Ste 101, Pittsburgh, PA 15213. The listed phone number is (412) 647-0467.

What is William Chang's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is William Chang enrolled in Medicare?

Yes. William Chang is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Chang was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.