Maria Renela Gambito Suller, M.D.
NPI 1669777850ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Midlothian, TX
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) with Healthtexas Provider Network, practicing in Midlothian, Texas. Their prescriptions cost Medicare Part D more than their services did: $2,727,570 for 4,242 claims, against $40,117 paid for services in 2024. Abbott Laboratories was the largest of 17 companies reporting payments in 2025, $2,726 in all, mostly food and beverage. Lists Baylor Scott & White Medical Center- Waxahachie and 1 other hospital as hospital affiliations.
Overview
| NPI | 1669777850 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 19, 2011 |
| Last updated in NPPES | Aug 12, 2021 |
| Certified by provider | Aug 12, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | Q8651 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 235 |
|---|---|
| Services billed | 1,209 across 14 procedure codes |
| Paid by Medicare | $40,117 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,242 · 9,826 30-day fills |
|---|---|
| Patients | 523 |
| Total drug cost | $2,727,570 |
| Generic share | 40% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Healthtexas Provider NetworkWaxahachie, TX · 2,697 clinicians
Hospital affiliations
- Baylor Scott & White Medical Center- WaxahachieWaxahachie, TX
- Baylor University Medical CenterDallas, TX
Industry payments (Open Payments)
- 2025$2,726 · 145 payments from 17 companies
- 2024$2,669 · 153 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $849.34 | 33 |
| Cequr Corporation | $404.88 | 36 |
| Sequel Med Tech, LLC | $338.52 | 16 |
| Novo Nordisk Inc | $299.43 | 18 |
| Lilly USA, LLC | $137.20 | 8 |
What the 2025 payments were for
- Food and Beverage$2,726 · 145 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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