DR. YAN LIU M.D., PH.D.
NPI 1134446172
Internal Medicine - Cardiovascular Disease in Austin, TX

Q: What is Yan Liu's NPI number?

The NPI number for Yan Liu is 1134446172. It was assigned to this individual provider in the NPPES registry on April 30, 2010.

Q: What is Yan 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 Yan Liu was last updated on March 4, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 April 30, 2010PECOS EnrolledAccepts Medicare Assignment

6811 AUSTIN CENTER BLVD STE 410, AUSTIN, TX 78731(512) 324-2705(512) 324-2706 Get Directions Write a Review

NPPES record last updated: March 4, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 4, 2020, Feb 28, 2020 (2 updates tracked since 2020).

On this page

About Dr. Yan Liu M.d., Ph.d. NPPES

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

DR. YAN LIU M.D., PH.D. (NPI 1134446172) is an individual cardiovascular disease provider in Austin, Texas, licensed in Virginia (0101264271) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS, is affiliated with Ascension Seton Medical Center Austin, and maintains 6 additional practice locations.

NPPES Registry Identity

NPI1134446172

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameDR. YAN LIUCredential: M.D., PH.D.

Location Address6811 AUSTIN CENTER BLVD STE 410Austin, TX 78731-3157

Mailing Address6811 Austin Center Blvd Ste 410Austin, TX 78731-3157 · (512) 324-2705 · Fax (512) 324-2706

Phone(512) 324-2705

Fax(512) 324-2706

Sole ProprietorNo

Medical School CMSOtherGraduated 1999

Enumeration DateApril 30, 2010

Last NPPES UpdateMarch 4, 20202 updates tracked since enumeration

NPPES CertifiedMarch 4, 2020

✔ NPI 1134446172 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in VA · 0101264271

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 BP1-0036665 (TX)

Also ListedNuclear Medicine · Nuclear CardiologyTaxonomy 207UN0901X · License 0101264271 (VA)

6811 AUSTIN CENTER BLVD STE 410, Austin, TX 78731

Open in Google Maps ↗

Secondary Practice Locations 6

Location 1400 W Brambleton Ave Ste 104Norfolk, VA 23510-1151 · Phone (757) 627-7700 · Fax (757) 627-3841

Location 21708 Old Donation PkwyVirginia Beach, VA 23454-3064 · Phone (757) 419-3000 · Fax (757) 213-9377

Location 32075 Glenn Mitchell Dr Ste 300VA Beach, VA 23456-0179 · Phone (757) 821-2825 · Fax (757) 213-9377

Location 43737 High StPortsmouth, VA 23707-2405 · Phone (757) 686-9400 · Fax (757) 337-1049

Location 5612 Kingsborough Sq Ste 100Chesapeake, VA 23320-5041 · Phone (757) 547-9294 · Fax (757) 213-9342

Location 66811 Austin Center Blvd Ste 410Austin, TX 78731-3157 · Phone (512) 324-2705 · Fax (512) 324-2706

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Yan Liu M.d., Ph.d. 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 ID7719112986

PECOS Enrollment IDI20160606001413

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.

Medicare Billing Reassignments

Medicare enrollment records show Yan Liu reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

St Davids Heart & Vascular, PLLC

3.2 mi

Cardiovascular Disease

3801 N LAMAR BLVD, STE 300
Austin, TX 78756

Reassigned Medicare billing, Texas enrollment
197 clinicians in this Medicare group

NPI 1700887700 (512) 206-3600

Seton Family Of Doctors

4.0 mi

Family Medicine

3001 PALM WAY, D1 : 134-138
Austin, TX 78758

Reassigned Medicare billing, Texas enrollment
1,188 clinicians in this Medicare group

NPI 1225644065 (512) 324-5938

Bayview Physician Services, PC

1,307 mi

Family Medicine

3241 WESTERN BRANCH BLVD
Chesapeake, VA 23321

Reassigned Medicare billing, Virginia enrollment
570 clinicians in this Medicare group

NPI 1508813387 (757) 686-3508

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 27

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.

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.

591 services352 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.

308 services287 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.

263 services247 patients

Injection, regadenoson, 0.1 mg J2785

Regadenoson injection, 0.1 mg, is a medication used to help visualize the heart during a stress test. It works by increasing blood flow in the arteries of the heart. It's injected into a vein and is generally well-tolerated.

144 services36 patients

Heart muscle strain imaging 93356

Heart muscle strain imaging is a non-invasive test that uses sound waves to create pictures of your heart. It helps doctors evaluate how well your heart muscle is working and detect any damage or disease. This can aid in diagnosing heart conditions and guiding treatment plans.

132 services120 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

100 services98 patients

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

99 services98 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.

99 services77 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.

79 services79 patients

Technetium tc-99m sestamibi, diagnostic, per study dose A9500

Technetium Tc-99m Sestamibi is a diagnostic test used to create images of your heart or breast tissues. It involves a safe radioactive substance injection that helps doctors to detect any abnormalities or changes in these tissues.

72 services68 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 93015

An exercise or drug-induced heart stress test with ECG is a procedure performed by a doctor to assess how your heart responds to exertion. It involves monitoring your heart's electrical activity while you exercise or after medication is given to mimic exercise effects.

71 services71 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.

69 services69 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.

57 services41 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

42 services41 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

33 services22 patients

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

32 services32 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.

32 services32 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.

32 services31 patients

Ct scan of blood vessels and grafts of heart with contrast 75574

A CT scan of the heart's blood vessels and grafts with contrast is a diagnostic test. A special dye (contrast) is injected into your veins, which helps create clear images of your heart's vessels and grafts. This helps doctors detect blockages or other abnormalities.

27 services27 patients

Ultrasound of leg arteries or artery grafts 93925

An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.

26 services25 patients

Injection, perflutren lipid microspheres, per ml Q9957

Perflutren lipid microspheres injection, per ml, is a diagnostic tool used to enhance ultrasound images. It contains tiny gas-filled bubbles that improve the clarity of the images, aiding in a more accurate diagnosis.

22 services11 patients

Complete ultrasound study of arm and leg arteries 93923

This procedure involves using sound waves to produce images of your arm and leg arteries. It helps identify blockages or abnormalities that could lead to conditions like stroke or peripheral artery disease. It's non-invasive and painless.

21 services20 patients

Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts 93978

This procedure involves using sound waves to create images of your aorta, vena cava, groin vessels, or bypass grafts. It helps to detect abnormalities or blockages, ensuring your blood flows smoothly. It's painless and non-invasive.

21 services21 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

16 services16 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.

15 services15 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

12 services11 patients

Heart rhythm review and interpretation of continous external ekg over 8-15 days 93248

This service involves wearing a device for 8-15 days that continuously records your heart's electrical activity. It helps in identifying irregular heart rhythms. The recorded data is then reviewed and interpreted by a healthcare professional for any abnormalities.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Ascension Seton Medical Center Austin

Acute Care Hospitals · Austin, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450056

Location1201 W 38th StAustin, TX 78705 · Travis County

Emergency services Birthing friendly

Ascension Seton Northwest

Acute Care Hospitals · Austin, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450867

Location11113 Research BoulevardAustin, TX 78759 · Travis County

Emergency services Birthing friendly

Ascension Seton Hays

Acute Care Hospitals · Kyle, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number670056

Location6001 Kyle PkwyKyle, TX 78640 · Hays County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78731 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

$131.95 typical visit price

range $57.88 – $174.00

Typical copayment $32.98 (range $14.47 – $43.50)

Most-billed visit code 99204

Established Patient

$71.95 typical visit price

range $18.88 – $142.23

Typical copayment $17.98 (range $4.72 – $35.55)

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

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

Automatic external defibrillator, with integrated electrocardiogram analysis, garment type K0606

DME-Other DME · category DE013N

1 supplier11 claims11 services$2,266.35 avg. paid by Medicare

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

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Yan Liu's NPI number?

The NPI number for Yan Liu is 1134446172. It was assigned to this individual provider in the NPPES registry on April 30, 2010.

Where is Yan Liu located?

Yan Liu practices at 6811 Austin Center Blvd Ste 410, Austin, TX 78731. The listed phone number is (512) 324-2705.

What is Yan Liu's specialty?

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

Is Yan Liu enrolled in Medicare?

Yes. Yan Liu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Yan Liu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Yan Liu reassigns Medicare benefits to 3 organizations: St Davids Heart & Vascular, PLLC (Austin, TX), Seton Family Of Doctors (Austin, TX) and Bayview Physician Services, PC (Chesapeake, VA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Yan Liu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Yan Liu accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 5 other insurers list Yan Liu as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Yan Liu affiliated with any hospitals?

According to CMS data, Yan Liu is affiliated with Ascension Seton Medical Center Austin, Ascension Seton Northwest and Ascension Seton Hays.

When was this NPI record last updated?

The NPPES record for Yan Liu was last updated on March 4, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.