Doctor profile · Federal record

Dr. Irena Liang, DO

Family Medicine Physician (CMS: Family Practice) · Adult Medicine Physician · The Woodlands, TX

  • NPI 1619408788
  • Accepts Medicare
  • MIPS 87.6 / 100 · 2023
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8558 Creekside Forest Dr Ste B-100
The Woodlands, TX 773752175
(832) 534-7700
fax (936) 266-4159

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
February 2, 2024
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Texas #S4338

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619408788. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
206
Distinct HCPCS
4
Medicare allowed
$25,866
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 109 60 $131
99213 Established patient office or other outpatient visit, 20-29 minutes 50 36 $93
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 29 29 $133
99204 New patient office or other outpatient visit, 45-59 minutes 18 18 $171

In context: peer comparison

Among 24 peers in this city , average services per provider: 92. This provider delivers 2.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$47
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 2 $28.86
Kowa Pharmaceuticals America, Inc. 1 $17.77

By nature of payment

Food and Beverage
$47

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
642
Patients
175
Total drug cost
$50,879
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 91 33 $1,281
Atorvastatin Calcium Generic 89 32 $1,470
Losartan Potassium Generic 60 26 $811
Lisinopril Generic 57 25 $412
Amlodipine Besylate Generic 56 25 $553
Rosuvastatin Calcium Generic 47 19 $1,898
Ozempic (Semaglutide) Brand 45 0 $42,022
Metformin Hcl Generic 33 15 $349
Simvastatin Generic 27 0 $349
Trazodone Hcl Generic 27 0 $372

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Irena Liang's medical specialty?
Dr. Irena Liang practices Family Medicine Physician in The Woodlands, TX.
Where does Dr. Irena Liang practice?
Dr. Irena Liang practices at 8558 Creekside Forest Dr Ste B-100, The Woodlands, TX 773752175. Office phone: 8325347700.
What is Dr. Irena Liang's NPI?
Dr. Irena Liang's National Provider Identifier (NPI) is 1619408788, issued by NPPES.
Does Dr. Irena Liang accept Medicare assignment?
Yes. Dr. Irena Liang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Irena Liang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.