Rowena Bayudan Delos Santos, MD
NPI 1154448207ActiveIndividual· Internal Medicine, Nephrology· Saint Louis, MO
Internal Medicine, Nephrology (MD) in Saint Louis, Missouri, trained at Creighton University School of Medicine (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $818,943 for 7,021 claims, against $89,604 paid for services in 2024. Amgen Inc. reported $7,184 in payments in 2025, mostly consulting fees.
Overview
| NPI | 1154448207 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 23, 2007 |
| Last updated in NPPES | Apr 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 2012013845 | MO |
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 (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 372 |
|---|---|
| Services billed | 2,100 across 21 procedure codes |
| Paid by Medicare | $89,604 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,021 · 10,502 30-day fills |
|---|---|
| Patients | 760 |
| Total drug cost | $818,943 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Creighton University School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Washington UniversitySaint Louis, MO · 3,029 clinicians
Hospital affiliations
- Barnes Jewish HospitalSaint Louis, MO
- Barnes-Jewish West County HospitalCreve Coeur, MO
- Memorial HospitalBelleville, IL
- Missouri Baptist Medical CenterSaint Louis, MO
- Progress West HospitalOfallon, MO
Industry payments (Open Payments)
- 2025$7,184 · 8 payments from 1 company
- 2024$2,822 · 7 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $7,184 | 8 |
What the 2025 payments were for
- Consulting Fee$5,775 · 2 payments
- Travel and Lodging$1,073 · 3 payments
- Food and Beverage$335.89 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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