MR. REX C LIU MD
NPI 1427082593
Internal Medicine - Cardiovascular Disease in Mount Vernon, WA

Q: What is Rex Liu's NPI number?

The NPI number for Rex Liu is 1427082593. It was assigned to this individual provider in the NPPES registry on July 11, 2006.

Q: What is Rex Liu's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Rex Liu was last updated on March 14, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 11, 2006PECOS EnrolledAccepts Medicare Assignment

307 S 13TH ST STE 300, MOUNT VERNON, WA 98274(360) 336-9757(360) 814-5237 Get Directions Write a Review

NPPES record last updated: March 14, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Mr. Rex C Liu Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. REX C LIU MD (NPI 1427082593) is an individual cardiovascular disease provider in Mount Vernon, Washington, licensed in Washington (MD60680840) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Skagit Valley Hospital, and is a graduate of Tulane University School Of Medicine (1998).

NPPES Registry Identity

NPI1427082593

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameMR. REX C LIUCredential: MD

Location Address307 S 13TH ST STE 300Mount Vernon, WA 98274-4100

Mailing Address1400 E Kincaid StMount Vernon, WA 98274-4127

Phone(360) 336-9757

Fax(360) 814-5237

Sole ProprietorNo

Medical School CMSTulane University School Of MedicineGraduated 1998

Enumeration DateJuly 11, 2006

Last NPPES UpdateMarch 14, 2024

NPPES CertifiedMarch 14, 2024

✔ NPI 1427082593 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in WA · MD60680840

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedInternal MedicineTaxonomy 207R00000X · License MD60680840 (WA)

Also ListedInternal Medicine · Advanced Heart Failure and Transplant CardiologyTaxonomy 207RA0001X · License MD60680840 (WA)

Also ListedInternal Medicine · Interventional CardiologyTaxonomy 207RI0011X · License MD60680840 (WA)

307 S 13TH ST STE 300, Mount Vernon, WA 98274

Open in Google Maps ↗

Other Identifiers 1

Medicaid2074108WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Rex C Liu Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2668483553

PECOS Enrollment IDI20170215001265

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 29

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

1,273 services1,065 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

453 services381 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

364 services360 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

326 services217 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

134 services134 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

120 services120 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

117 services103 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

115 services115 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

103 services64 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

81 services75 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

80 services63 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

57 services54 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

53 services48 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

50 services50 patients

Ultrasound of heart blood flow, valves and chambers, follow-up 93321

This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.

48 services45 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

43 services42 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

41 services41 patients

Anticoagulant management of patient taking warfarin 93793

Anticoagulant management with warfarin involves monitoring and adjusting your medication to prevent blood clots while minimizing the risk of bleeding. Regular blood tests measure your response to warfarin, helping adjust your dose if necessary. It's crucial to maintain a consistent diet and promptly report any changes in your health.

38 services14 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

36 services36 patients

Blood test, clotting time 85610

A clotting time blood test helps determine how quickly your blood forms clots, a process crucial to stop bleeding. During the test, a small blood sample is taken from your arm. The sample is then analyzed in a lab to see how long it takes for a clot to form.

31 services11 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

29 services27 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

28 services28 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

27 services26 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

25 services25 patients

Insertion of tube in right and left heart chambers and coronary artery for diagnosis with review by radiologist 93460

This procedure involves placing a tube into the heart chambers and coronary artery. It helps diagnose heart conditions. A radiologist reviews the images obtained. It's a standard, safe procedure performed by experienced medical professionals.

24 services24 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

24 services24 patients

Ultrasound of heart with probe in esophagus, with report 93312

This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.

23 services23 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

20 services19 patients

External shock to heart to regulate heart beat 92960

This procedure, known as cardioversion, uses an external electrical shock to restore your heart's normal rhythm. It's typically performed when irregular heartbeats, or arrhythmias, are causing severe symptoms and aren't responding to medications.

17 services16 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Skagit Valley Hospital

Acute Care Hospitals · Mount Vernon, WA

3/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number500003

Location1415 E Kincaid StreetMount Vernon, WA 98274 · Skagit County

Emergency services Birthing friendly

Island Hospital

Acute Care Hospitals · Anacortes, WA

5/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number500007

Location1211 24th StreetAnacortes, WA 98221 · Skagit County

Emergency services Birthing friendly

Providence Regional Medical Center Everett

Acute Care Hospitals · Everett, WA

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number500014

Location1321 Colby AvenueEverett, WA 98201 · Snohomish County

Emergency services Birthing friendly

Cascade Valley Hospital

Acute Care Hospitals · Arlington, WA

1/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number500060

Location330 S Stillaguamish AveArlington, WA 98223 · Snohomish County

Emergency services Birthing friendly

Whidbeyhealth Medical Center

Critical Access Hospitals · Coupeville, WA

1/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number501339

Location101 North Main StreetCoupeville, WA 98239 · Island County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98274 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$130.99 typical visit price

range $57.27 – $172.80

Typical copayment $32.74 (range $14.31 – $43.20)

Most-billed visit code 99204

Established Patient

$71.29 typical visit price

range $18.56 – $141.11

Typical copayment $17.82 (range $4.64 – $35.27)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221

DME-Other DME · category DE017N

1 supplier20 claims25 services$18.41 avg. paid by Medicare

Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately) A4222

DME-Medical/Surgical Supplies · category DA000N

1 supplier24 claims106 services$35.33 avg. paid by Medicare

Injection, milrinone lactate, 5 mg J2260

Treatment-Injections and Infusions (nononcologic) · category RI026N

1 supplier24 claims854 services$1.29 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GRAHAM MEEKS

Nurse Practitioner