Dong Zhao, M.D.
NPI 1619942752ActiveIndividual· Internal Medicine· Ada, OK
Internal Medicine (M.D.) with Chickasaw Nation Division of Health Chickasaw Nation Medical Center, practicing in Ada, Oklahoma. In 2024 Medicare paid $12,365 for 82 patients, and Part D covered 76 of their prescriptions, 70% of them generic. Lists Chickasaw Nation Medical Center as a hospital affiliation.
Overview
| NPI | 1619942752 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Feb 22, 2006 |
| Last updated in NPPES | Oct 30, 2025 |
| Certified by provider | Oct 30, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 23391 | 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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 82 |
|---|---|
| Services billed | 176 across 13 procedure codes |
| Paid by Medicare | $12,365 |
Part D prescriptions in 2024
| Prescriptions (claims) | 76 · 76 30-day fills |
|---|---|
| Patients | 24 |
| Total drug cost | $8,107 |
| Generic share | 70% of claims |
Education and affiliations
| Graduation year | 1988 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Chickasaw Nation Division of Health Chickasaw Nation Medical CenterAda, OK · 240 clinicians
Hospital affiliation
Industry payments (Open Payments)
None reported for 2025 or 2024.
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