Quick answers
- Which hospitals does Joseph A. Eisner work at?
- Medicare's official clinician data lists Joseph A. Eisner at 3 hospitals: Community Memorial Hospital - Ojai, Community Memorial Hospital - Ventura and St Johns Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Joseph A. Eisner see patients?
- Medicare's clinician data lists 4 practice locations, including Ventura, CA, Oxnard, CA and Camarillo, CA. Call before your visit to confirm the address.
- What is Joseph A. Eisner's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Joseph A. Eisner accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph A. Eisner 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.
- What is the phone number for Joseph A. Eisner?
- (805) 652-6373, as listed in official Medicare / NPI Registry data.
- What is Joseph A. Eisner's NPI number?
- 1063776516. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Joseph A. Eisner works
Medicare's Facility Affiliation Data lists Joseph A. Eisner 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
Practice locations
Addresses where Joseph A. Eisner is enrolled with Medicare (CMS data updated 2026-10-02).
- 168 N Brent St, Suite 302Ventura, CA 93003 (805) 652‑6373
- 168 N Brent St, Suite 506Ventura, CA 93003 (805) 653‑7580
- 1700 N Rose Ave, Suite 430Oxnard, CA 93030 (805) 485‑8722
- 2486 N Ponderosa Dr, Suite D205Camarillo, CA 93010 (805) 988‑7196
Group practices
Medicare enrollment lists Joseph A. Eisner as a member of these groups (CMS data updated 2026-10-02).
- Pacific Central Coast Health Centers253 clinicians in the group
- Community Memorial Health System185 clinicians in the group
- General Surgery Medical Group of Ventura County6 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Ventura
Clinicians with the same Medicare primary specialty in Ventura, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York University School Of Medicine |
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1063776516 |
| 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