Julio Cesar Araujo, M.D.
NPI 1053365023ActiveIndividual· Internal Medicine, Nephrology· San Antonio, TX
Internal Medicine, Nephrology (M.D.) in San Antonio, Texas, trained at Ohio State University College of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $311,716 for 3,293 claims, against $113,405 paid for services in 2024. Calliditas Therapeutics US Inc. was the largest of 5 companies reporting payments in 2025, $124.50 in all, mostly food and beverage.
Overview
| NPI | 1053365023 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 22, 2006 |
| Last updated in NPPES | Oct 9, 2024 |
| Certified by provider | Oct 9, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | M3454 | TX |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 179 |
|---|---|
| Services billed | 1,635 across 32 procedure codes |
| Paid by Medicare | $113,405 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,293 · 5,902 30-day fills |
|---|---|
| Patients | 325 |
| Total drug cost | $311,716 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- R Stefan Kiesz MD PASan Antonio, TX · 3 clinicians
Other facilities
- Davita Judson DialysisDialysis facility · San Antonio, TX
- Davita Pearsall DialysisDialysis facility · Pearsall, TX
- Usrc SchertzDialysis facility · Schertz, TX
- Cardinal Hospice of South TexasHospice · San Antonio, TX
- Pure Heart HospiceHospice · San Antonio, TX
Industry payments (Open Payments)
- 2025$124.50 · 5 payments from 5 companies
- 2024$275.47 · 9 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Calliditas Therapeutics US Inc. | $36.32 | 1 |
| Novo Nordisk Inc | $30.97 | 1 |
| Akebia Therapeutics Inc | $23.74 | 1 |
| Novartis Pharmaceuticals Corporation | $17.84 | 1 |
| Amgen Inc. | $15.63 | 1 |
What the 2025 payments were for
- Food and Beverage$124.50 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 168 nephrologists in San Antonio · All nephrologists in Texas