Preston C. Alexander, MD
NPI 1649272394ActiveIndividual· Obstetrics & Gynecology· Frisco, TX
Obstetrics & Gynecology (MD) in Frisco, Texas, trained at University of Texas Medical School at Houston (class of 1983). Their prescriptions cost Medicare Part D more than their services did: $5,229 for 55 claims, against $700.53 paid for services in 2024. Organon LLC was the largest of 5 companies reporting payments in 2025, $124.23 in all, mostly food and beverage.
Overview
| NPI | 1649272394 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 12, 2005 |
| Last updated in NPPES | Jan 4, 2022 |
| Certified by provider | Mar 11, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | G4779 | 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 - Obstetrics/Gynecology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 15 |
|---|---|
| Services billed | 16 across 4 procedure codes |
| Paid by Medicare | $700.53 |
Part D prescriptions in 2024
| Prescriptions (claims) | 55 · 105 30-day fills |
|---|---|
| Patients | 13 |
| Total drug cost | $5,229 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at Houston |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Medical City OB-GYN, PLLCFlower Mound, TX · 61 clinicians
Hospital affiliation
- Methodist Richardson Medical CenterRichardson, TX
Industry payments (Open Payments)
- 2025$124.23 · 7 payments from 5 companies
- 2024$275.00 · 10 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Organon LLC | $40.62 | 2 |
| Exeltis, USA Inc. | $28.82 | 2 |
| Dexcom, Inc. | $20.00 | 1 |
| Astellas Pharma US Inc | $18.68 | 1 |
| Pfizer Inc. | $16.11 | 1 |
What the 2025 payments were for
- Food and Beverage$124.23 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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