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Toan Leung, MD
NPI 1699726000 · Emergency Medicine Physician · San Marcos, TX
Toan Leung, MD is a Emergency Medicine Physician provider in San Marcos, TX (NPI 1699726000).
Provider details
- NPI number
- 1699726000
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- L9318 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1301 Wonder World Dr
San Marcos, TX 78666-7533
Phone: (512) 753-3796
Street-level locationGet directions
Mailing address
6004 Upvalley Run
Austin, TX 78731-3672
Registry dates
- Enumerated
- 2006-05-12
- Last updated
- 2008-03-26
Frequently asked questions
- What is Toan Leung's NPI number?
- Toan Leung's National Provider Identifier (NPI) is 1699726000, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Toan Leung's specialty?
- Toan Leung is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Toan Leung located?
- Toan Leung's practice location on file with NPPES is 1301 Wonder World Dr, San Marcos, TX 78666-7533.
- What is Toan Leung's phone number?
- The practice phone number listed in the NPPES registry for Toan Leung is (512) 753-3796.
- Is Toan Leung's NPI active?
- Yes — Toan Leung's NPI (1699726000) is active in the NPPES registry as of the last update on 2008-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.