Chang Qing Xun, M.D.
Internal Medicine, Hematology & Oncology (M.D.) with North Arkansas Regional Medical Center, practicing in Pittsburg, Kansas. Their prescriptions cost Medicare Part D more than their services did: $1,694,242 for 582 claims, against $35,085 paid for services in 2024. Array Biopharma Inc was the largest of 27 companies reporting payments in 2025, $951.73 in all, mostly food and beverage. Lists Baxter Health and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1992983498 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 6, 2008 |
| Last updated in NPPES | Dec 1, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 04-33466 | KS |
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 - Hematology/Oncology (AR); Practitioner - Hematology/Oncology (KS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 135 |
|---|---|
| Services billed | 610 across 9 procedure codes |
| Paid by Medicare | $35,085 |
Part D prescriptions in 2024
| Prescriptions (claims) | 582 · 930 30-day fills |
|---|---|
| Patients | 93 |
| Total drug cost | $1,694,242 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 1983 |
|---|---|
| Medicare specialty | Hematology/Oncology |
Medical group
- North Arkansas Regional Medical CenterHarrison, AR · 82 clinicians
Hospital affiliations
- Baxter HealthMountain Home, AR
- Mercy Hospital Pittsburg, IncPittsburg, KS
- North Arkansas Regional Medical CenterHarrison, AR
Industry payments (Open Payments)
- 2025$951.73 · 45 payments from 27 companies
- 2024$4,563 · 22 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Array Biopharma Inc | $73.44 | 3 |
| Glaxosmithkline, LLC. | $67.51 | 3 |
| Lilly USA, LLC | $65.96 | 3 |
| Merck Sharp & Dohme LLC | $65.49 | 3 |
| Abbvie Inc. | $59.86 | 2 |
What the 2025 payments were for
- Food and Beverage$935.74 · 44 payments
- Education$15.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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