Genevieve P. Mejia, MD
NPI 1356502488ActiveIndividual· Obstetrics & Gynecology· San Angelo, TX
Obstetrics & Gynecology (MD) with Shannon Clinic and 1 other group, practicing in San Angelo, Texas. Their prescriptions cost Medicare Part D more than their services did: $73,418 for 740 claims, against $18,004 paid for services in 2024. Organon LLC was the largest of 2 companies reporting payments in 2025, $40.35 in all, mostly food and beverage. Lists Shannon Medical Center as a hospital affiliation.
Overview
| NPI | 1356502488 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 20, 2008 |
| Last updated in NPPES | Feb 25, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | P4203 | 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 | 109 |
|---|---|
| Services billed | 1,281 across 36 procedure codes |
| Paid by Medicare | $18,004 |
Part D prescriptions in 2024
| Prescriptions (claims) | 740 · 1,190 30-day fills |
|---|---|
| Patients | 146 |
| Total drug cost | $73,418 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
Medical groups
- Shannon ClinicSan Angelo, TX · 559 clinicians
- The West Texas Rehabilitation CenterSan Angelo, TX · 466 clinicians
Hospital affiliation
- Shannon Medical CenterSan Angelo, TX
Industry payments (Open Payments)
- 2025$40.35 · 4 payments from 2 companies
- 2024$77.44 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Organon LLC | $24.43 | 3 |
| Astellas Pharma US Inc | $15.92 | 1 |
What the 2025 payments were for
- Food and Beverage$40.35 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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