Mark D. Oxman, DO
NPI 1417921958ActiveIndividual· Internal Medicine, Nephrology· Dayton, OH
Internal Medicine, Nephrology (DO) in Dayton, Ohio, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $281,968 for 2,479 claims, against $177,004 paid for services in 2024. Amgen Inc. was the largest of 13 companies reporting payments in 2025, $911.56 in all, mostly food and beverage.
Overview
| NPI | 1417921958 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Feb 13, 2006 |
| Last updated in NPPES | Apr 12, 2022 |
| Certified by provider | Apr 12, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 34004120 | OH |
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 | 452 |
|---|---|
| Services billed | 1,672 across 24 procedure codes |
| Paid by Medicare | $177,004 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,479 · 6,142 30-day fills |
|---|---|
| Patients | 402 |
| Total drug cost | $281,968 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | University of Kansas School of Med (Kc/Wich/Sal) |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Renal Physicians IncKettering, OH · 29 clinicians
Hospital affiliations
- Kettering Health DaytonDayton, OH
- Kettering Health Main CampusKettering, OH
- Miami Valley HospitalDayton, OH
- Soin Medical CenterBeaver Creek, OH
Other facilities
- Fmc - Dayton Regional Dialysis-South,incDialysis facility · Dayton, OH
- Fmc - Dayton WestDialysis facility · Trotwood, OH
- Fresenius Kidney Care Centerville HomeDialysis facility · Dayton, OH
- Fresenius Medical Care Dayton Regional Dialysis NorthDialysis facility · Dayton, OH
- Fresenius Kidney Care Dayton EastDialysis facility · Dayton, OH
Industry payments (Open Payments)
- 2025$911.56 · 38 payments from 13 companies
- 2024$251.34 · 17 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $263.07 | 2 |
| Travere Therapeutics, Inc. | $202.30 | 7 |
| Novartis Pharmaceuticals Corporation | $152.51 | 14 |
| Nxstage Medical, Inc. | $80.46 | 3 |
| Fresenius USA Marketing, Inc. | $41.20 | 2 |
What the 2025 payments were for
- Food and Beverage$896.43 · 37 payments
- Education$15.13 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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