Theresa Lynn Haddox, NURSE PRACTITIONER
NPI 1477033868ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Waco, TX
Internal Medicine, Endocrinology, Diabetes & Metabolism (NURSE PRACTITIONER) in Waco, Texas, licensed in TX, with an NPI issued in August 2018. Part D covered 4,709 prescriptions written in 2024, 38% of them generic. Amgen Inc. was the largest of 24 companies reporting payments in 2025, $2,223 in all, mostly food and beverage.
Overview
| NPI | 1477033868 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NURSE PRACTITIONER |
| Sole proprietor | Yes |
| NPI issued | Aug 15, 2018 |
| Last updated in NPPES | May 29, 2020 |
| Certified by provider | May 29, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | AP142913 | TX |
| Home Health | 251E00000X | — | — |
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 - Nurse Practitioner (TX) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 4,709 · 10,775 30-day fills |
|---|---|
| Patients | 535 |
| Total drug cost | $2,193,752 |
| Generic share | 38% of claims |
Industry payments (Open Payments)
- 2025$2,223 · 88 payments from 24 companies
- 2024$1,183 · 61 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $359.09 | 13 |
| Novo Nordisk Inc | $221.33 | 10 |
| Xeris Pharmaceuticals, Inc. | $207.32 | 9 |
| Averitas Pharma Inc. | $204.28 | 5 |
| Lilly USA, LLC | $147.03 | 9 |
What the 2025 payments were for
- Food and Beverage$2,173 · 83 payments
- Education$50.10 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other endocrinologists in Waco
- 1457610933
- 1689670184
- 1760589782
- 1689687238