Dr Mark Urtal Liong, MD - Medicare Nephrology in Mcallen, TX

Dr Mark Urtal Liong, MD is a medicare enrolled "Internal Medicine - Nephrology" physician in Mcallen, Texas. He graduated from medical school in 2004 and has 20 years of diverse experience with area of expertise as Nephrology. He is a member of the group practice South Texas Kidney Specialists, P.a. and his current practice location is 1901 S 1st St Ste 600, Mcallen, Texas. You can reach out to his office (for appointments etc.) via phone at (956) 631-6136.

Dr Mark Urtal Liong is licensed to practice in Texas (license number P4673) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1346422078.

Contact Information

Dr Mark Urtal Liong, MD
1901 S 1st St Ste 600,
Mcallen, TX 78503-1228
(956) 631-6136
(956) 631-1848

Map and Direction




Physician's Profile

Full NameDr Mark Urtal Liong
GenderMale
SpecialityNephrology
Experience20 Years
Location1901 S 1st St Ste 600, Mcallen, Texas
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Mark Urtal Liong graduated from medical school in 2004
  NPI Data:
  • NPI Number: 1346422078
  • Provider Enumeration Date: 12/05/2007
  • Last Update Date: 01/08/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 0547392995
  • Enrollment ID: I20140516001229

Medical Identifiers

Medical identifiers for Dr Mark Urtal Liong such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1346422078NPI-NPPES
334541501MedicaidTX

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RN0300XInternal Medicine - Nephrology P4673 (Texas)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Weslaco Dialysis FacilityWeslaco, TXDialysis facility
Knapp Medical CenterWeslaco, TXHospital
South Texas Health SystemEdinburg, TXHospital
Doctors Hospital At RenaissanceEdinburg, TXHospital
Rio Grande Regional HospitalMcallen, TXHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
South Texas Kidney Specialists, P.a.923411883715

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Mark Urtal Liong allows following entities to bill medicare on his behalf.
Entity NameSouth Texas Kidney Specialists, P.a.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1629195177
PECOS PAC ID: 9234118837
Enrollment ID: O20040720000260

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Mark Urtal Liong is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Mark Urtal Liong, MD
1901 S 1st St Ste 600,
Mcallen, TX 78503-1228

Ph: (956) 631-6136
Dr Mark Urtal Liong, MD
1901 S 1st St Ste 600,
Mcallen, TX 78503-1228

Ph: (956) 631-6136

Reviews and Comments


Internal Medicine Doctors in Mcallen, TX

Dona E Cooper-dockery, MD
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Dr. Victoria A Rodriguez-quick, MD
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Practice Location: 501 N Ware Rd, Mcallen, TX 78501
Phone: 956-668-0044    
Dr. Numan A Arafat, MD
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Practice Location: 500 E Ridge Rd, Suite 202, Mcallen, TX 78503
Phone: 956-686-5410    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.