Weidong Zhao, MD
NPI 1831351287ActiveIndividual· Internal Medicine· Ada, OK
Internal Medicine (MD) with Mercy Clinic Oklahoma Communities, practicing in Ada, Oklahoma. 298 Medicare patients in 2024, $70,573 paid; nearly all of their 352 Part D prescriptions were generic (93%). Medtronic, Inc. reported $92.95 in payments in 2025, mostly food and beverage. Lists Arbuckle Memorial Hospital Authority and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1831351287 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 26, 2008 |
| Last updated in NPPES | Jan 25, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 27661 | OK |
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 - Internal Medicine (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 298 |
|---|---|
| Services billed | 925 across 12 procedure codes |
| Paid by Medicare | $70,573 |
Part D prescriptions in 2024
| Prescriptions (claims) | 352 · 388 30-day fills |
|---|---|
| Patients | 157 |
| Total drug cost | $10,752 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 1982 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospitalist |
Medical group
- Mercy Clinic Oklahoma CommunitiesOklahoma City, OK · 649 clinicians
Hospital affiliations
- Arbuckle Memorial Hospital AuthoritySulphur, OK
- Chickasaw Nation Medical CenterAda, OK
- Holdenville General HospitalHoldenville, OK
- Mercy Hospital AdaAda, OK
- Mercy Hospital Oklahoma City, IncOklahoma City, OK
Industry payments (Open Payments)
- 2025$92.95 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $92.95 | 1 |
What the 2025 payments were for
- Food and Beverage$92.95 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 33 internal medicine physicians in Ada · All internal medicine physicians in Oklahoma