Gretel Melissa Salazar, PA
NPI 1821226549ActiveIndividual· Physician Assistant· Spring, TX
Physician Assistant (PA) with Mava Healthcare System LLC, practicing in Spring, Texas. Their prescriptions cost Medicare Part D more than their services did: $105,874 for 1,303 claims, against $11,523 paid for services in 2024. Supernus Pharmaceuticals, Inc. was the largest of 5 companies reporting payments in 2025, $301.23 in all, mostly food and beverage. Lists Riceland Medical Center as a hospital affiliation.
Overview
| NPI | 1821226549 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | Yes |
| NPI issued | Jul 1, 2009 |
| Last updated in NPPES | Apr 2, 2024 |
| Certified by provider | Apr 2, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA03482 | TX |
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 - Physician Assistant (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 18 |
|---|---|
| Services billed | 196 across 7 procedure codes |
| Paid by Medicare | $11,523 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,303 · 1,512 30-day fills |
|---|---|
| Patients | 90 |
| Total drug cost | $105,874 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Mava Healthcare System LLCMagnolia, TX · 14 clinicians
Hospital affiliation
- Riceland Medical CenterWinnie, TX
Industry payments (Open Payments)
- 2025$301.23 · 18 payments from 5 companies
- 2024$713.29 · 33 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Supernus Pharmaceuticals, Inc. | $126.12 | 14 |
| Teva Pharmaceuticals USA, Inc. | $116.15 | 1 |
| E.R. Squibb & Sons, L.L.C. | $22.35 | 1 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $19.94 | 1 |
| Owp Pharmaceuticals, Inc. | $16.67 | 1 |
What the 2025 payments were for
- Food and Beverage$301.23 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 36 physician assistants in Spring · All physician assistants in Texas