Joseph Kremer Jr., M.D.
NPI 1093783177ActiveIndividual· Internal Medicine, Nephrology· Cincinnati, OH
Internal Medicine, Nephrology (M.D.) in Cincinnati, Ohio, trained at Drexel University College of Medicine (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $296,368 for 2,871 claims, against $129,242 paid for services in 2024. Calliditas Therapeutics US Inc. was the largest of 25 companies reporting payments in 2025, $2,652 in all, mostly food and beverage.
Overview
| NPI | 1093783177 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 14, 2006 |
| Last updated in NPPES | Aug 3, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 35094031 | OH |
| Internal Medicine, Nephrology | 207RN0300X | 42585 | KY |
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 (KY); Practitioner - Nephrology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 380 |
|---|---|
| Services billed | 1,867 across 20 procedure codes |
| Paid by Medicare | $129,242 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,871 · 7,191 30-day fills |
|---|---|
| Patients | 344 |
| Total drug cost | $296,368 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Drexel University College of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Kidney and Hypertension Center IncCincinnati, OH · 48 clinicians
Hospital affiliations
- Bethesda NorthCincinnati, OH
- Christ HospitalCincinnati, OH
- Good Samaritan HospitalCincinnati, OH
- Mercy Health - West HospitalCincinnati, OH
- St Elizabeth EdgewoodEdgewood, KY
Other facilities
- Davita Mt Auburn DialysisDialysis facility · Cincinnati, OH
- The Christ Hospital Rehab UnitInpatient rehabilitation facility · Cincinnati, OH
Industry payments (Open Payments)
- 2025$2,652 · 104 payments from 25 companies
- 2024$12,811 · 145 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Calliditas Therapeutics US Inc. | $342.28 | 9 |
| Travere Therapeutics, Inc. | $305.01 | 15 |
| Mallinckrodt Hospital Products Inc. | $270.68 | 5 |
| Bayer Healthcare Pharmaceuticals Inc. | $270.31 | 15 |
| Otsuka America Pharmaceutical, Inc. | $248.35 | 12 |
What the 2025 payments were for
- Food and Beverage$2,588 · 103 payments
- Education$63.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 80 nephrologists in Cincinnati · All nephrologists in Ohio