DR. MARK URTAL LIONG M.D.
NPI 1346422078
Internal Medicine - Nephrology in Mcallen, TX

Q: What is Mark Liong's NPI number?

The NPI number for Mark Liong is 1346422078. It was assigned to this individual provider in the NPPES registry on December 5, 2007. The provider is also known as Dr. Mark Urtal Liong MD.

Q: What is Mark Liong's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Mark Liong was last updated on January 8, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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 December 05, 2007PECOS EnrolledAccepts Medicare Assignment

1901 S 1ST ST STE 600, MCALLEN, TX 78503(956) 631-6136(956) 631-1848 Get Directions Write a Review

NPPES record last updated: January 8, 2015. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Mark Urtal Liong M.d. NPPES

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

DR. MARK URTAL LIONG M.D. (NPI 1346422078) is an individual nephrology provider in Mcallen, Texas, licensed in Texas (P4673) and active in the NPI registry since December 2007. He is enrolled in Medicare PECOS, is affiliated with South Texas Health System, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1346422078

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameDR. MARK URTAL LIONGCredential: M.D.

Location Address1901 S 1ST ST STE 600Mcallen, TX 78503-1228

Mailing Address1901 S 1st St Ste 600Mcallen, TX 78503-1228 · (956) 631-6136 · Fax (956) 631-1848

Phone(956) 631-6136

Fax(956) 631-1848

Sole ProprietorNo

Medical School CMSOtherGraduated 2004

Enumeration DateDecember 5, 2007

Last NPPES UpdateJanuary 8, 2015

✔ NPI 1346422078 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in TX · P4673

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

1901 S 1ST ST STE 600, Mcallen, TX 78503

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Other Names 1

Former Name (1)Dr. Mark Urtal Liong Md

Other Identifiers 2

Medicare PIN344759YYZUTX

Medicaid334541501TX

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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mark Urtal Liong M.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 ID547392995

PECOS Enrollment IDI20140516001229

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 7

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.

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.

230 services99 patients

Dialysis services, 4 or more physician visits per month (20 years or older) 90960

Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.

229 services44 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.

220 services91 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.

93 services59 patients

Dialysis services, 2-3 physician visits per month (20 years or older) 90961

Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.

79 services35 patients

Hemodialysis procedure with physician evaluation 90935

Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.

53 services24 patients

Hospital Affiliations CMS Care Compare 4

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

South Texas Health System

Acute Care Hospitals · Edinburg, TX

3/5 CMS rating

OwnershipProprietary

CMS Certification Number450119

Location1102 W Trenton RoadEdinburg, TX 78539 · Hidalgo County

Emergency services Birthing friendly

Knapp Medical Center

Acute Care Hospitals · Weslaco, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450128

Location1401 East Eight StreetWeslaco, TX 78596 · Hidalgo County

Emergency services Birthing friendly

Rio Grande Regional Hospital

Acute Care Hospitals · Mcallen, TX

3/5 CMS rating

OwnershipProprietary

CMS Certification Number450711

Location101 E Ridge RdMcallen, TX 78503 · Hidalgo County

Emergency services Birthing friendly

Doctors Hosptal At Renaissance

Acute Care Hospitals · Edinburg, TX

3/5 CMS rating

OwnershipPhysician

CMS Certification Number450869

Location5501 South MccollEdinburg, TX 78539 · Hidalgo County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78503 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

$126.40 typical visit price

range $54.84 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

Most-billed visit code 99214

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

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

94%36 patients4/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

97%153 patients4/55-star benchmark: 100%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

97%153 patients4/55-star benchmark: 100%

Secure Messaging

For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…

3%153 patients1/55-star benchmark: 79%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 4

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

Tacrolimus, immediate release, oral, 1 mg J7507

Treatment-Treatment - Miscellaneous · category RX029N

2 suppliers25 claims1,286 services$0.25 avg. paid by Medicare

Mycophenolate mofetil, oral, 250 mg J7517

Treatment-Treatment - Miscellaneous · category RX029N

2 suppliers11 claims780 services$0.16 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511

Treatment-Chemotherapy · category RH012N

2 suppliers14 claims14 services$16.19 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512

Treatment-Chemotherapy · category RH012N

3 suppliers27 claims32 services$11.23 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 6

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

STEFFI SATHIYARAJ MD

Internal Medicine (Nephrology)