David Evans De Gaston, M.D.
NPI 1457701609ActiveIndividual· Family Medicine· Del City, OK
Family Medicine (M.D.) in Del City, Oklahoma, trained at University of Oklahoma College of Medicine (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $703,685 for 7,110 claims, against $42,344 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 18 companies reporting payments in 2025, $1,111 in all, mostly food and beverage.
Overview
| NPI | 1457701609 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 20, 2016 |
| Last updated in NPPES | Jun 27, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 32239 | OK |
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 (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 185 |
|---|---|
| Services billed | 814 across 42 procedure codes |
| Paid by Medicare | $42,344 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,110 · 13,708 30-day fills |
|---|---|
| Patients | 402 |
| Total drug cost | $703,685 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Family Practice |
Medical groups
- Integris Ambulatory Care CorporationSpencer, OK · 685 clinicians
- Great Plains Medical FoundationOklahoma City, OK · 12 clinicians
Hospital affiliations
- Integris Baptist Medical Center, IncOklahoma City, OK
- Integris Health Edmond HospitalEdmond, OK
- Integris Southwest Medical CenterOklahoma City, OK
- O U Medical CenterOklahoma City, OK
- Ssm Health St Anthony Hospital - MidwestMidwest City, OK
Other facilities
- Family Choice Home Care Oklahoma CityHome health agency · Oklahoma City, OK
- Integris Home Care Oklahoma CityHome health agency · Oklahoma City, OK
Industry payments (Open Payments)
- 2025$1,111 · 65 payments from 18 companies
- 2024$894.51 · 53 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $320.05 | 23 |
| Glaxosmithkline, LLC. | $256.81 | 14 |
| Abbott Laboratories | $81.84 | 4 |
| Exact Sciences Corporation | $46.61 | 3 |
| Dexcom, Inc. | $42.55 | 2 |
What the 2025 payments were for
- Food and Beverage$1,111 · 65 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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