Wookjin Chun, M.D.
NPI 1689688699ActiveIndividual· Internal Medicine· Scottsdale, AZ
Internal Medicine (M.D.) in Scottsdale, Arizona, trained at Wayne State University School of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $289,340 for 4,319 claims, against $48,372 paid for services in 2024.
Overview
| NPI | 1689688699 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 27, 2006 |
| Last updated in NPPES | Mar 28, 2022 |
| Certified by provider | Mar 28, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 35822 | AZ |
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 (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 75 |
|---|---|
| Services billed | 522 across 7 procedure codes |
| Paid by Medicare | $48,372 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,319 · 4,486 30-day fills |
|---|---|
| Patients | 398 |
| Total drug cost | $289,340 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospitalist |
Medical groups
- Pulmonary Consultants P.C.Mesa, AZ · 34 clinicians
- Z Medicine LLCMesa, AZ · 11 clinicians
Hospital affiliation
- Banner Baywood Medical CenterMesa, AZ
Other facilities
- Advanced Healthcare of MesaNursing home · Mesa, AZ
- Apache Junction Health CenterNursing home · Apache Junction, AZ
- Desert Cove Nursing CenterNursing home · Chandler, AZ
- Sante of MesaNursing home · Mesa, AZ
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 471 internal medicine physicians in Scottsdale · All internal medicine physicians in Arizona