WILLIE TEO ONG, MD PA
NPI 1043405426
Internal Medicine - Endocrinology, Diabetes & Metabolism in Brownsville, TX

Q: What is Willie Teo Ong, MD PA's NPI number?

The NPI number for Willie Teo Ong, MD PA is 1043405426. It was assigned to this organization in the NPPES registry on September 10, 2007.

Q: What is Willie Teo Ong, MD PA's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Active since September 10, 2007

844 CENTRAL BLVD STE 370, BROWNSVILLE, TX 78520(956) 548-0077(956) 548-2312 Get Directions Write a Review

NPPES record last updated: February 19, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Willie Teo Ong, Md Pa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIE TEO ONG, MD PA (NPI 1043405426) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Brownsville, Texas and active in the NPI registry since September 2007. The organization lists Esmeralda Sierra, Medical Biller/credenitaling, as its authorized official.

NPPES Registry Identity

NPI1043405426

Entity TypeOrganization

Primary Taxonomy207RE0101X

Legal Business NameWILLIE TEO ONG, MD PA

Location Address844 CENTRAL BLVD STE 370Brownsville, TX 78520-7512

Mailing Address844 Central Blvd Ste 370Brownsville, TX 78520-7512 · (956) 548-0077 · Fax (956) 548-2312

Phone(956) 548-0077

Fax(956) 548-2312

Organization SubpartNo

Authorized OfficialEsmeralda SierraMedical Biller/credenitaling · (956) 548-0077

Enumeration DateSeptember 10, 2007

Last NPPES UpdateFebruary 19, 2008

✔ NPI 1043405426 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in TX · K1094

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

844 CENTRAL BLVD STE 370, Brownsville, TX 78520

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Other Identifiers 2

OtherDD1638TX · Railroad Medicare

Medicare PIN00933WTX

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Willie Teo Ong, MD PA's NPI number?

The NPI number for Willie Teo Ong, MD PA is 1043405426. It was assigned to this organization in the NPPES registry on September 10, 2007.

Where is Willie Teo Ong, MD PA located?

Willie Teo Ong, MD PA is located at 844 Central Blvd Ste 370, Brownsville, TX 78520. The listed phone number is (956) 548-0077.

What is Willie Teo Ong, MD PA's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

When was this NPI record last updated?

The NPPES record for Willie Teo Ong, MD PA was last updated on February 19, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.