WILLIAM THOMAS CHANG (DO) – Pain Medicine (Anesthesiology) Physician, NPI 1770112609

WILLIAM THOMAS CHANG (DO) is a healthcare provider. based in Iowa city, Iowa. specializing in PHYSICAL MEDICINE AND REHABILITATION. They hold the professional credentials DO. They hold a License No. 125.078730 (IL). The NPI Number for WILLIAM THOMAS CHANG (DO) is 1770112609

Main info

Male
Sole Proprietor
6 Years Of Experience
Accepts Medicare Assignment
Name
WILLIAM THOMAS CHANG (DO)
NPI
1770112609
Phone
(319) 356-4076
Address
200 HAWKINS DR
Enumeration Date
2 April 2020
Last Update Date
27 March 2024

Doctor Profile

Medical School Name
MARIAN UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Secondary Phone
8128422737
Graduation Year
2020 (6 years ago)
PAC ID
1456776616
Group Practice PAC ID
0244595205
Professional Enrollment ID
I20250822001310
Address ID
IN476309460NE4015XBLVD301
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience55
Completeness75
Years active:6State licenses:2Digital endpointsOther names

83 PHYSICAL MEDICINE AND REHABILITATION in IA

Provider Addresses for WILLIAM THOMAS CHANG (DO)

  • 200 HAWKINS DR

    IOWA CITY, IA 522421009

    Phone: (319) 356-4076

    Type: Location

  • 719 PIONEER WOODS DR

    INDIANAPOLIS, IN 462246165

    Phone: (317) 600-7996

    Type: Mailing

  • 501 REDMOND RD NW

    ROME, GA 301651415

    Phone: (706) 802-3063

    Type: Location

  • 719 Pioneer Woods Dr

    Indianapolis, IN 462246165

    Phone:

    Type: Location

  • 26W171 Roosevelt Rd

    Wheaton, IL 601876002

    Phone: (630) 909-7290

    Type: Location

  • 501 Redmond Rd NW

    Rome, GA 301651415

    Phone: (706) 802-3063

    Type: Location

  • 28294 FERRY RD APT 351

    WARRENVILLE, IL 605554070

    Phone: (317) 600-7996

    Type: Mailing

  • 26W171 ROOSEVELT RD

    WHEATON, IL 601876002

    Phone: (630) 909-7290

    Type: Location

  • 18W070 ROYCE BLVD APT 164

    OAKBROOK TERRACE, IL 601814881

    Phone: (317) 600-7996

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 25 Open Payments records for all available years, with a total value of $3,416.

Total Amount is formed as General ($3,416) + Research ($0) + Ownership ($0) = $3,416.

Last reported payment date: 2024-11-17 • Largest payer in this snapshot: Medtronic, Inc. ($3,084).

Total Amount

$3,416

General + Research + Ownership

Payments

25

Total payment records

General Amount

$3,416

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-17

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2025-08-22

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20250819004761IPhysical Medicine And RehabilitationKYTBD
I20250822001310IPhysical Medicine And RehabilitationINTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 52242)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 0244595205View full group profile
NameSpecialtyState
N E P H R O L O G YIN
-IN
Interventional Cardiology, Cardiovascular Disease (Cardiology)PA
Nurse PractitionerIN
H E M A T O L O G Y/ O N C O L O G YIN
Nurse PractitionerIN
Cardiovascular Disease (Cardiology), Interventional CardiologyOK
E N D O C R I N O L O G YIN
Nurse PractitionerIN
Interventional Pain Management, Physical Medicine And Rehabilitation, Physical Medicine And RehabilitationIN

Reviews

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Frequently asked questions

Can I use this page to confirm WILLIAM THOMAS CHANG (DO)'s NPI?
Yes. WILLIAM THOMAS CHANG (DO) is listed with NPI 1770112609 in the public NPI dataset.
Can I rely on WILLIAM THOMAS CHANG (DO) being an active provider?
As of the registry snapshot, WILLIAM THOMAS CHANG (DO) is marked active.
What is WILLIAM THOMAS CHANG (DO) best known for clinically?
Directory data describes WILLIAM THOMAS CHANG (DO) with Pain Medicine (Anesthesiology) Physician. Clinical services aligned with this taxonomy classification.
Does WILLIAM THOMAS CHANG (DO) list a practice location?
Patients near Iowa City, Iowa may find WILLIAM THOMAS CHANG (DO) in results; validate coverage separately.
Why does WILLIAM THOMAS CHANG (DO) have multiple addresses?
9 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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