Doctor profile · Federal record

Dr. Ashley Liou, DO

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Critical Care Medicine (Internal Medicine) Physician · Critical Care Medicine (Internal Medicine) Physician · Pulmonary Disease Physician · Rockford, IL

  • NPI 1023402229
  • Accepts Medicare
  • 11 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
535 Roxbury RD
Rockford, IL 611075076
(815) 397-7212
fax (815) 397-2539
Additional location
1201 Fairmount Ave
Fort Worth, TX 761044215
(817) 335-5288
fax (817) 338-0927
Additional location
700 Scott and White Dr
College Station, TX 778456441
(979) 207-0100
fax (979) 207-2161
Show 1 more location
Additional location
4600 Memorial Dr Ste 200
Belleville, IL 622265363
(618) 233-2220

Credentials & registration

NPPES · NUCC
NPI registered
March 2015 — 11 yrs on file
Profile last updated
March 17, 2025
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State licenses (2)
Illinois #036161861 · Texas #S7710

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023402229. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
153
Distinct HCPCS
3
Medicare allowed
$19,978
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 60 36 $117
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 49 34 $77
99291 Critical care, first 30-74 minutes 44 20 $208

In context: peer comparison

Among 7 peers in Rockford Pulmonary Disease Physician, average services per provider: 62. This provider delivers 2.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$183
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 2 $183.47

By nature of payment

Food and Beverage
$143
Travel and Lodging
$40

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
16
Patients
0
Total drug cost
$11,011
Drug Type Claims Patients Total cost
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 16 0 $11,011

Frequently asked questions

Auto-generated from federal data
What is Dr. Ashley Liou's medical specialty?
Dr. Ashley Liou practices Pulmonary Disease Physician in Rockford, IL.
Where does Dr. Ashley Liou practice?
Dr. Ashley Liou practices at 535 Roxbury RD, Rockford, IL 611075076. Office phone: 8153977212.
What is Dr. Ashley Liou's NPI?
Dr. Ashley Liou's National Provider Identifier (NPI) is 1023402229, issued by NPPES.
Does Dr. Ashley Liou accept Medicare assignment?
Yes. Dr. Ashley Liou accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ashley Liou commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.