Steven Glenn Ledesma, M.D.
NPI 1386718799ActiveIndividual· Internal Medicine, Nephrology· Oxnard, CA
Internal Medicine, Nephrology (M.D.) in Oxnard, California, trained at University of California, Geffen School of Medicine (class of 1997). 545 Medicare patients in 2024, $331,458 paid; nearly all of their 2,504 Part D prescriptions were generic (93%). Nxstage Medical, Inc. was the largest of 2 companies reporting payments in 2025, $55.40 in all, mostly food and beverage.
Overview
| NPI | 1386718799 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 17, 2006 |
| Last updated in NPPES | Jan 14, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A78553 | CA |
| Internal Medicine | 207R00000X | A78553 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 545 |
|---|---|
| Services billed | 2,253 across 25 procedure codes |
| Paid by Medicare | $331,458 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,504 · 5,308 30-day fills |
|---|---|
| Patients | 323 |
| Total drug cost | $174,807 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Vista del Mar Medical Group IncOxnard, CA · 7 clinicians
Hospital affiliations
- Community Memorial Hospital - OjaiOjai, CA
- Community Memorial Hospital - VenturaVentura, CA
- St Johns Regional Medical CenterOxnard, CA
- Ventura County Medical CenterVentura, CA
Other facilities
- Bma OxnardDialysis facility · Oxnard, CA
- Bma Santa PaulaDialysis facility · Santa Paula, CA
- Fmc Dialysis Services Channel IslandsDialysis facility · Oxnard, CA
- Fmc-Dialysis Centers of Ventura CountyDialysis facility · Ventura, CA
- Fresenius Kidney Care Ventura CoastDialysis facility · Oxnard, CA
Industry payments (Open Payments)
- 2025$55.40 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Nxstage Medical, Inc. | $31.54 | 1 |
| Fresenius USA Marketing, Inc. | $23.86 | 1 |
What the 2025 payments were for
- Food and Beverage$55.40 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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