Diana Lozano, M.D.
NPI 1184620247ActiveIndividual· Internal Medicine· Harlingen, TX
Internal Medicine (M.D.) in Harlingen, Texas, trained at Indiana University School of Medicine (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $2,229,389 for 15,738 claims, against $269,906 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 13 companies reporting payments in 2025, $602.78 in all, mostly food and beverage.
Overview
| NPI | 1184620247 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 23, 2005 |
| Last updated in NPPES | Feb 26, 2025 |
| Certified by provider | Feb 26, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | K1534 | 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 - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 350 |
|---|---|
| Services billed | 9,395 across 85 procedure codes |
| Paid by Medicare | $269,906 |
Part D prescriptions in 2024
| Prescriptions (claims) | 15,738 · 38,664 30-day fills |
|---|---|
| Patients | 967 |
| Total drug cost | $2,229,389 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Doctors Hosptal at RenaissanceEdinburg, TX
- Harlingen Medical CenterHarlingen, TX
- Knapp Medical CenterWeslaco, TX
- Valley Baptist Medical Center- BrownsvilleBrownsville, TX
- Vhs Harlingen Hospital Company LLCHarlingen, TX
Other facilities
- APC Home Health ServicesHome health agency · Harlingen, TX
- United Home CareHome health agency · Harlingen, TX
- GentivaHospice · Harlingen, TX
- Golden Palms Rehabilitation and RetirementNursing home · Harlingen, TX
- Veranda Rehabilitation and HealthcareNursing home · Harlingen, TX
- Windsor Nursing and Rehabilitation Center of HarliNursing home · Harlingen, TX
Industry payments (Open Payments)
- 2025$602.78 · 28 payments from 13 companies
- 2024$634.15 · 31 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $134.68 | 1 |
| Lilly USA, LLC | $91.84 | 5 |
| Merck Sharp & Dohme LLC | $71.33 | 4 |
| Novo Nordisk Inc | $63.89 | 4 |
| Glaxosmithkline, LLC. | $48.62 | 3 |
What the 2025 payments were for
- Food and Beverage$602.78 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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