Willie Teo Ong, MD PA
About this NPIWhat this record shows.
NPI 1043405426 is registered to Willie Teo Ong, MD PA, a healthcare organisation classified as "Endocrinology, Diabetes & Metabolism Physician" and located at 844 Central Blvd Ste 370 in Brownsville, Texas. The organisation's authorised official is Esmeralda Sierra. The organisation has been enumerated in the NPI registry since 2007.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
- DD1638TX· Issued by RAILROAD MEDICARE
Source: NPPES public registry.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Willie Teo Ong, MD PA accepts. To confirm in-network status with your specific health plan, contact Willie Teo Ong, MD PA directly at (956) 548-0077.
Frequently asked
Yes. NPI 1043405426 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Endocrinology, Diabetes & Metabolism Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (956) 548-0077.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Willie Teo Ong, MD PA is a Type-2 organisational NPI.