Willie C. Teo Ong, M.D.
NPI 1346247939ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Brownsville, TX
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) with Bhs Physicians Network, Inc, practicing in Brownsville, Texas. Their prescriptions cost Medicare Part D more than their services did: $3,769,923 for 5,939 claims, against $47,740 paid for services in 2024. Corcept Therapeutics was the largest of 7 companies reporting payments in 2025, $859.39 in all, mostly food and beverage. Lists Doctors Hosptal at Renaissance and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1346247939 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 28, 2005 |
| Last updated in NPPES | Dec 2, 2020 |
| Certified by provider | Dec 2, 2020 |
| Reactivated | Mar 31, 2006 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | K1094 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 202 |
|---|---|
| Services billed | 649 across 8 procedure codes |
| Paid by Medicare | $47,740 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,939 · 13,690 30-day fills |
|---|---|
| Patients | 677 |
| Total drug cost | $3,769,923 |
| Generic share | 30% of claims |
Education and affiliations
| Graduation year | 1989 |
|---|---|
| Medicare specialty | Endocrinology |
Medical group
- Bhs Physicians Network, IncBrownsville, TX · 706 clinicians
Hospital affiliations
- Doctors Hosptal at RenaissanceEdinburg, TX
- Valley Baptist Medical Center- BrownsvilleBrownsville, TX
- Valley Regional Medical CenterBrownsville, TX
Industry payments (Open Payments)
- 2025$859.39 · 13 payments from 7 companies
- 2024$553.55 · 9 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Corcept Therapeutics | $234.35 | 4 |
| Lilly USA, LLC | $200.29 | 2 |
| Dexcom, Inc. | $141.42 | 1 |
| Abbott Laboratories | $137.15 | 1 |
| Sequel Med Tech, LLC | $81.83 | 3 |
What the 2025 payments were for
- Food and Beverage$859.39 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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