Kun Chen, MD, PHD
NPI 1730380056ActiveIndividual· Internal Medicine, Rheumatology· Huntsville, AL
Internal Medicine, Rheumatology (MD, PHD) in Huntsville, Alabama, trained at New York University School of Medicine (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $4,408,351 for 5,874 claims, against $2,320,912 paid for services in 2024. Abbvie Inc. was the largest of 14 companies reporting payments in 2025, $3,238 in all, mostly food and beverage.
Overview
| NPI | 1730380056 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | May 31, 2007 |
| Last updated in NPPES | Jan 9, 2025 |
| Certified by provider | Jan 9, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 30159 | AL |
| Internal Medicine | 207R00000X | 244162 | NY |
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 - Rheumatology (AL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 798 |
|---|---|
| Services billed | 197,354 across 79 procedure codes |
| Paid by Medicare | $2,320,912 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,874 · 8,964 30-day fills |
|---|---|
| Patients | 769 |
| Total drug cost | $4,408,351 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | New York University School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Rheumatology |
| Secondary specialties | Internal Medicine |
Medical group
- Rheumatology Associates of North Alabama, PCSheffield, AL · 10 clinicians
Hospital affiliations
- Athens Limestone HospitalAthens, AL
- Decatur Morgan Hospital - Decatur CampusDecatur, AL
- Helen Keller HospitalSheffield, AL
- Huntsville HospitalHuntsville, AL
Industry payments (Open Payments)
- 2025$3,238 · 162 payments from 14 companies
- 2024$2,806 · 148 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $1,173 | 38 |
| Novartis Pharmaceuticals Corporation | $443.30 | 29 |
| Amgen Inc. | $345.29 | 20 |
| Glaxosmithkline, LLC. | $296.06 | 11 |
| Ucb, Inc. | $256.18 | 17 |
What the 2025 payments were for
- Food and Beverage$3,238 · 162 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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