Toan Leung, MD
Emergency Medicine Physician · San Marcos, TX
Toan Leung, MD is an emergency medicine physician with a practice address in San Marcos, Texas, and NPI 1699726000, issued on May 12, 2006. Check the license (Texas L9318, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Toan Leung
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- L9318 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1301 Wonder World Dr, San Marcos, TX 78666
- Phone
- (512) 753-3796
- Enumerated
- May 12, 2006
- Record last updated
- Mar 26, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid IDs
- 171050102 TX
171050103 TX
171050104 TX - Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 1301 Wonder World Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jaime Acosta, CSFASurgical Assistant1922972694
- Raka Amin, MDInternal Medicine Physician1437576493
- Jose Ayala, MDInternal Medicine Physician1114960663
- Chad Benninghoff, NPFamily Nurse Practitioner1912256256
- Shyra BerishSpeech-Language Pathologist1235656364
- Jessica Best, MDEmergency Medicine Physician1679833354
Verify Toan Leung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L9318Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Toan Leung among 4,885 emergency medicine physician records in Texas
Toan Leung, MD is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 67% newer
- In a Medicare fileNo · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2008 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 emergency medicine physician records list a practice address in San Marcos
They are 11 of the 1,003 NPPES records with a practice address in San Marcos, and 4,885 emergency medicine physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 4,885 in Texas → Every provider in San Marcos → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jessica Best, MDSan Marcos, TX 786661679833354
- Myla Canales, M.D.San Marcos, TX 786661376886317
- Curtis Grote, MDSan Marcos, TX 786661720078090
- Bradley LawingSan Marcos, TX 786661629411517
- Daniel Loisel, DOSan Marcos, TX 786661245220540
- Jose Pena, MDSan Marcos, TX 786661104817220
- Randolph Seybold, MDSan Marcos, TX 786661659361954
- Katherine Sides, MDSan Marcos, TX 786661003041484
Common questions
What is Toan Leung, MD's NPI number?
Toan Leung, MD's National Provider Identifier (NPI) is 1699726000, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Toan Leung, MD located?
The NPPES record lists a practice address at 1301 Wonder World Dr, San Marcos, TX, 78666. Phone: (512) 753-3796. Providers update this record themselves, so call before visiting.
How can I verify Toan Leung, MD's license?
NPPES lists Texas license number L9318, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.