Diana Maria Mercado-Marmarosh, M.D.
NPI 1619298643ActiveIndividual· Family Medicine· Edna, TX
Family Medicine (M.D.) in Edna, Texas, trained at University of Texas Medical School at Houston (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $579,380 for 5,245 claims, against $3,533 paid for services in 2024. Novo Nordisk Inc was the largest of 9 companies reporting payments in 2025, $387.39 in all, mostly food and beverage.
Overview
| NPI | 1619298643 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 14, 2010 |
| Last updated in NPPES | Nov 5, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | P8390 | TX |
| Family Medicine | 207Q00000X | BP10036757 | 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 - Family Practice (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 18 |
|---|---|
| Services billed | 167 across 11 procedure codes |
| Paid by Medicare | $3,533 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,245 · 10,443 30-day fills |
|---|---|
| Patients | 275 |
| Total drug cost | $579,380 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at Houston |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Family Practice |
Medical group
- Jackson County Hospital DistrictEdna, TX · 19 clinicians
Hospital affiliations
- Citizens Medical CenterVictoria, TX
- Jackson Healthcare CenterEdna, TX
Other facilities
- Jackson County Home HealthHome health agency · Edna, TX
Industry payments (Open Payments)
- 2025$387.39 · 20 payments from 9 companies
- 2024$279.22 · 15 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $106.84 | 6 |
| Astrazeneca Pharmaceuticals LP | $81.68 | 5 |
| Amgen Inc. | $43.93 | 2 |
| Pfizer Inc. | $37.66 | 2 |
| Boston Scientific Corporation | $35.94 | 1 |
What the 2025 payments were for
- Food and Beverage$387.39 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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