Doctor profile · Federal record

Dr. Rex Liu, MD

Cardiovascular Disease Physician (CMS: Advanced Heart Failure and Transplant Cardiology) · Advanced Heart Failure and Transplant Cardiology Physician · Interventional Cardiology Physician · Internal Medicine Physician · Mount Vernon, WA

  • NPI 1427082593
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
307 S 13Th St Ste 300
Mount Vernon, WA 982744100
(360) 336-9757
fax (360) 814-5237
Mailing address
1400 E Kincaid St
Mount Vernon, WA 982744127

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
March 14, 2024
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Washington #MD60680840
Medicaid
WA #2074108

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427082593. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,111
Distinct HCPCS
10
Medicare allowed
$115,717
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 563 455 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 519 290 $95
99213 Established patient office or other outpatient visit, 20-29 minutes 170 125 $64
93793 Anticoagulant management of patient taking warfarin 155 26 $11
85610 Blood test, clotting time 105 22 $4
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 77 48 $116
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 76 76 $69
99204 New patient office or other outpatient visit, 45-59 minutes 75 75 $130
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 53 52 $14
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 53 41 $78

In context: peer comparison

Among 3 peers in Mount Vernon Cardiovascular Disease Physician, average services per provider: 128. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$38
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abiomed 1 $37.78

By nature of payment

Food and Beverage
$38

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,702
Patients
1,248
Total drug cost
$1,293,498
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 433 147 $10,385
Entresto (Sacubitril/Valsartan) Brand 410 131 $489,565
Spironolactone Generic 389 129 $3,384
Jardiance (Empagliflozin) Brand 377 111 $333,030
Furosemide Generic 365 144 $2,124
Eliquis (Apixaban) Brand 312 84 $290,681
Carvedilol Generic 228 91 $2,422
Losartan Potassium Generic 194 68 $2,121
Warfarin Sodium Generic 185 54 $4,283
Lisinopril Generic 158 65 $2,140

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Rex Liu's medical specialty?
Dr. Rex Liu practices Cardiovascular Disease Physician in Mount Vernon, WA.
Where does Dr. Rex Liu practice?
Dr. Rex Liu practices at 307 S 13Th St Ste 300, Mount Vernon, WA 982744100. Office phone: 3603369757.
What is Dr. Rex Liu's NPI?
Dr. Rex Liu's National Provider Identifier (NPI) is 1427082593, issued by NPPES.
Does Dr. Rex Liu accept Medicare assignment?
Yes. Dr. Rex Liu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rex Liu commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.