Toan Leung, MD - Medicare Emergency Medicine in San Marcos, TX

Toan Leung, MD is a medicare enrolled "Emergency Medicine" physician in San Marcos, Texas. His current practice location is 1301 Wonder World Dr, San Marcos, Texas. You can reach out to his office (for appointments etc.) via phone at (512) 753-3796.

Toan Leung is licensed to practice in Texas (license number L9318) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1699726000.

Contact Information

Toan Leung, MD
1301 Wonder World Dr,
San Marcos, TX 78666-7533
(512) 753-3796
Not Available

Map and Direction




Physician's Profile

Full NameToan Leung
GenderMale
SpecialityEmergency Medicine
Location1301 Wonder World Dr, San Marcos, Texas
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1699726000
  • Provider Enumeration Date: 05/12/2006
  • Last Update Date: 03/26/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 1557311537
  • Enrollment ID: I20050127000334

Medical Identifiers

Medical identifiers for Toan Leung such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1699726000NPI-NPPES
171050102MedicaidTX
8G5594OtherTXBCBS
171050103OtherTXCSHCN
8P6550OtherTXBCBS
171050102OtherTXCSHCN
171050103MedicaidTX
171050104MedicaidTX
171050106OtherTXCSHCN
8F6874OtherTXBCBS

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine L9318 (Texas)Primary

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. Toan Leung allows following entities to bill medicare on his behalf.
Entity NameRound Table Physicians Group Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023439114
PECOS PAC ID: 0547682460
Enrollment ID: O20200623002513

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. Toan Leung 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
Toan Leung, MD
6004 Upvalley Run,
Austin, TX 78731-3672

Ph: (512) 407-8025
Toan Leung, MD
1301 Wonder World Dr,
San Marcos, TX 78666-7533

Ph: (512) 753-3796

Reviews and Comments


Emergency Medicine Doctors in San Marcos, TX

Jose Ovidio Pena Jr., MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 1301 Wonder World Dr, San Marcos, TX 78666
Phone: 512-753-3796    
Daniel Patrick Loisel, DO
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 1301 Wonder World Dr, San Marcos, TX 78666
Phone: 512-753-3796    
Dr. Robert Donovan Butter, D.O.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 1301 Wonder World Dr, San Marcos, TX 78666
Phone: 512-353-8979    
Dr. Gilbert Saenz Rodriguez Jr., M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1320 Wonder World Dr Ste 101, San Marcos, TX 78666
Phone: 512-396-3911    Fax: 512-353-0807
Dr. Myla J. Canales, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1301 Wonder World Dr, San Marcos, TX 78666
Phone: 512-353-8979    
John Dewey Whisenant, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 1301 Wonder World Dr, San Marcos, TX 78666
Phone: 512-753-3796    
Grant David Williams, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1301 Wonder World Dr, San Marcos, TX 78666
Phone: 512-753-3796    

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.