Maria Del Mar Diaz Bonilla, MD
NPI 1770063935ActiveIndividual· Obstetrics & Gynecology· Rowlett, TX
Obstetrics & Gynecology (MD) with Texas Health Care PLLC, practicing in Rowlett, Texas. 25 Medicare patients in 2024, $3,691 paid; nearly all of their 51 Part D prescriptions were generic (94%). Mayne Pharma Commercial LLC was the largest of 9 companies reporting payments in 2025, $376.92 in all, mostly food and beverage. Lists Baylor Scott and White Medical Center Lake Pointe as a hospital affiliation.
Overview
| NPI | 1770063935 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 17, 2018 |
| Last updated in NPPES | Feb 16, 2026 |
| Certified by provider | Feb 16, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | U4785 | 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 - Obstetrics/Gynecology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 25 |
|---|---|
| Services billed | 57 across 13 procedure codes |
| Paid by Medicare | $3,691 |
Part D prescriptions in 2024
| Prescriptions (claims) | 51 · 73 30-day fills |
|---|---|
| Patients | 22 |
| Total drug cost | $1,587 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Texas Health Care PLLCWillow Park, TX · 371 clinicians
Hospital affiliation
Industry payments (Open Payments)
- 2025$376.92 · 16 payments from 9 companies
- 2024$495.25 · 24 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mayne Pharma Commercial LLC | $135.85 | 6 |
| Exact Sciences Corporation | $47.91 | 2 |
| Medtronic, Inc. | $46.96 | 1 |
| Organon LLC | $44.46 | 2 |
| Pfizer Inc. | $24.98 | 1 |
What the 2025 payments were for
- Food and Beverage$376.92 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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