Doctor profile · Federal record

Dr. William Chang, DO

Pain Medicine (Anesthesiology) Physician (CMS: Physical Medicine and Rehabilitation) · Physical Medicine & Rehabilitation Physician · Student in an Organized Health Care Education/Training Program · Iowa City, IA

  • NPI 1770112609
  • Accepts Medicare
  • 6 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
200 Hawkins Dr
Iowa City, IA 522421009
(319) 356-4076
Additional location
719 Pioneer Woods Dr
Indianapolis, IN 462246165
Additional location
501 Redmond RD Nw
Rome, GA 301651415
(706) 802-3063
Show 1 more location
Additional location
26W171 Roosevelt RD
Wheaton, IL 601876002
(630) 909-7290
Mailing address
18W070 Royce Blvd Apt 164
Oakbrook Terrace, IL 601814881

Credentials & registration

NPPES · NUCC
NPI registered
April 2020 — 6 yrs on file
Profile last updated
March 27, 2024
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207LP2900X — NUCC code
State licenses (2)
Iowa #R-13014 · Illinois #125.078730

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770112609. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,416
Transactions
25
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Medtronic, Inc. 22 $3,083.98
Boston Scientific Corporation 1 $144.54
Merz Pharmaceuticals, LLC 1 $106.46
Vertos Medical, Inc. 1 $80.68

By nature of payment

Grant
$2,000
Food and Beverage
$718
Travel and Lodging
$698

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Chang's medical specialty?
Dr. William Chang practices Pain Medicine (Anesthesiology) Physician in Iowa City, IA.
Where does Dr. William Chang practice?
Dr. William Chang practices at 200 Hawkins Dr, Iowa City, IA 522421009. Office phone: 3193564076.
What is Dr. William Chang's NPI?
Dr. William Chang's National Provider Identifier (NPI) is 1770112609, issued by NPPES.
Does Dr. William Chang accept Medicare assignment?
Yes. Dr. William Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.

Methodology · sources used on this page

All figures on this page come from publicly available federal datasets. We do not edit, score, or summarise the underlying data. Profile generated May 29, 2026.

NPPES Provider identifiers and practice info May 11, 2026
Open Payments Industry payments to providers (Sunshine Act) May 11, 2026
Medicare Procedure Utilization Services and allowed amounts by HCPCS May 11, 2026
Medicare Part D Prescription drug claims May 11, 2026
CMS MIPS Quality performance scores May 11, 2026
OIG LEIE Federal exclusion / sanctions list May 11, 2026

Information based on publicly available federal data. Not medical advice. Report incorrect data ›