Quick answers
- Which hospitals does Steven G. Ledesma work at?
- Medicare's official clinician data lists Steven G. Ledesma at 4 hospitals: Community Memorial Hospital - Ojai, Community Memorial Hospital - Ventura, St Johns Regional Medical Center and Ventura County Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Steven G. Ledesma see patients?
- Medicare's clinician data lists 7 practice locations, including Oxnard, CA, Ventura, CA and Santa Paula, CA. Call before your visit to confirm the address.
- What is Steven G. Ledesma's specialty?
- Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
- Does Steven G. Ledesma accept Medicare assignment?
- Yes. Medicare's clinician data says Steven G. Ledesma accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Steven G. Ledesma offer telehealth?
- Medicare's clinician data says Steven G. Ledesma offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Steven G. Ledesma?
- (805) 652-5011, as listed in official Medicare / NPI Registry data.
- What is Steven G. Ledesma's NPI number?
- 1386718799. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Steven G. Ledesma works
Medicare's Facility Affiliation Data lists Steven G. Ledesma at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Community Memorial Hospital - OjaiOjai, CA · Critical Access Hospital · CCN 051334
- Community Memorial Hospital - VenturaVentura, CA · Acute Care Hospital · CCN 050394
- St Johns Regional Medical CenterOxnard, CA · Acute Care Hospital · CCN 050082
- Ventura County Medical CenterVentura, CA · Acute Care Hospital · CCN 050159
Practice locations
Addresses where Steven G. Ledesma is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1200 W Gonzales RdOxnard, CA 93036
- 147 N Brent StVentura, CA 93003 (805) 652‑5011
- 1600 N Rose AveOxnard, CA 93030 (805) 988‑2701
- 1900 Outlet Ctr DrOxnard, CA 93036 (805) 278‑3815
- 242 E Harvard BlvdSanta Paula, CA 93060
Group practices
Medicare enrollment lists Steven G. Ledesma as a member of this group (CMS data updated 2026-10-02).
- Vista del Mar Medical Group Inc7 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Oxnard
Clinicians with the same Medicare primary specialty in Oxnard, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Geffen School Of Medicine |
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1386718799 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians