Arthur Tsai, M.D.
NPI 1679638423ActiveIndividual· Internal Medicine, Nephrology· Kettering, OH
Internal Medicine, Nephrology (M.D.) in Kettering, Ohio, trained at Johns Hopkins University School of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $1,473,160 for 4,418 claims, against $150,164 paid for services in 2024. Ardelyx, Inc. was the largest of 16 companies reporting payments in 2025, $687.39 in all, mostly food and beverage.
Overview
| NPI | 1679638423 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 22, 2006 |
| Last updated in NPPES | Jun 13, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 35095503 | OH |
| Internal Medicine, Nephrology | 207RN0300X | MD424050 | PA |
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 - Nephrology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 460 |
|---|---|
| Services billed | 2,741 across 21 procedure codes |
| Paid by Medicare | $150,164 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,418 · 8,479 30-day fills |
|---|---|
| Patients | 854 |
| Total drug cost | $1,473,160 |
| Generic share | 68% of claims |
Education and affiliations
| Medical school | Johns Hopkins University School of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Nephrology |
Medical group
- Kidney Care Specialists, LLCKettering, OH · 8 clinicians
Hospital affiliations
- Kettering Health DaytonDayton, OH
- Kettering Health Greene MemorialXenia, OH
- Kettering Health Main CampusKettering, OH
- Kettering Health MiamisburgMiamisburg, OH
- Soin Medical CenterBeaver Creek, OH
Other facilities
- Davita Kettering Dialysis at HomeDialysis facility · Kettering, OH
- Davita Southwest Ohio DialysisDialysis facility · Xenia, OH
Industry payments (Open Payments)
- 2025$687.39 · 36 payments from 16 companies
- 2024$704.65 · 32 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $107.17 | 5 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $92.04 | 6 |
| Fresenius USA Marketing, Inc. | $79.90 | 4 |
| Calliditas Therapeutics US Inc. | $58.77 | 3 |
| Novartis Pharmaceuticals Corporation | $51.58 | 3 |
What the 2025 payments were for
- Food and Beverage$652.74 · 34 payments
- Education$34.65 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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