Quick answers
- Which hospitals does Katherine E. Stern work at?
- Medicare's official clinician data lists Katherine E. Stern at 1 hospital: Memorialcare Saddleback Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Katherine E. Stern see patients?
- Medicare's clinician data lists 2 practice locations, including Laguna Hills, CA and Mission Viejo, CA. Call before your visit to confirm the address.
- What is Katherine E. Stern's specialty?
- Medicare lists Colorectal Surgery (Proctology) as the primary specialty, and also General Surgery.
- Does Katherine E. Stern accept Medicare assignment?
- Yes. Medicare's clinician data says Katherine E. Stern 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 Katherine E. Stern?
- (949) 457-7900, as listed in official Medicare / NPI Registry data.
- What is Katherine E. Stern's NPI number?
- 1376074740. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Katherine E. Stern works
Medicare's Facility Affiliation Data lists Katherine E. Stern at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Memorialcare Saddleback Medical CenterLaguna Hills, CA · Acute Care Hospital · CCN 050603
Practice locations
Addresses where Katherine E. Stern is enrolled with Medicare (CMS data updated 2026-10-02).
- 24411 Health Ctr Dr, Suite 350Laguna Hills, CA 92653 (949) 457‑7900
- 27799 Medical Ctr Rd, Suite 440Mission Viejo, CA 92691 (949) 364‑1007
Group practices
Medicare enrollment lists Katherine E. Stern as a member of this group (CMS data updated 2026-10-02).
- South Orange County Surgical Medical Group Inc23 clinicians in the group
Specialties
Find other Colorectal Surgery (Proctology) doctors in California →
Other colorectal surgeons in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Medical school | Irvine California College Of Medicine |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1376074740 |
| 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