Rajeev Narayan, M.D.
NPI 1093805863ActiveIndividual· Internal Medicine, Nephrology· San Antonio, TX
Internal Medicine, Nephrology (M.D.) with San Antonio Kidney Disease Center Physicians Group, P.L.L.C., practicing in San Antonio, Texas. Their prescriptions cost Medicare Part D more than their services did: $410,520 for 1,339 claims, against $265,417 paid for services in 2024. Merit Medical Systems Inc was the largest of 14 companies reporting payments in 2025, $10,841 in all, mostly consulting fees. Lists Baptist Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1093805863 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 13, 2006 |
| Last updated in NPPES | Aug 13, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | N0306 | TX |
| Internal Medicine, Nephrology | 207RN0300X | MD-10689 | HI |
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 | 440 |
|---|---|
| Services billed | 5,115 across 60 procedure codes |
| Paid by Medicare | $265,417 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,339 · 2,757 30-day fills |
|---|---|
| Patients | 188 |
| Total drug cost | $410,520 |
| Generic share | 73% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- San Antonio Kidney Disease Center Physicians Group, P.L.L.C.San Antonio, TX · 33 clinicians
Hospital affiliations
- Baptist Medical CenterSan Antonio, TX
- Westover Hills Baptist HospitalSan Antonio, TX
Other facilities
- Davita Downtown San Antonio DialysisDialysis facility · San Antonio, TX
- Davita South San Antonio Dialysis CenterDialysis facility · San Antonio, TX
- Davita the Mission Home DialysisDialysis facility · San Antonio, TX
Industry payments (Open Payments)
- 2025$10,841 · 33 payments from 14 companies
- 2024$4,092 · 28 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merit Medical Systems Inc | $10,200 | 2 |
| Calliditas Therapeutics US Inc. | $148.63 | 6 |
| Ardelyx, Inc. | $81.14 | 4 |
| Bayer Healthcare Pharmaceuticals Inc. | $80.32 | 3 |
| Otsuka America Pharmaceutical, Inc. | $77.23 | 3 |
What the 2025 payments were for
- Consulting Fee$10,200 · 2 payments
- Food and Beverage$640.58 · 31 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