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General Practice

Lisa E. Guerra, MD

Works at hospitals in Newport Beach, CA · Fountain Valley, CA · Laguna Hills, CA … · California

Summary

Lisa E. Guerra, MD (General Practice) is listed by Medicare at 4 hospitals in Newport Beach, CA, Fountain Valley, CA and Laguna Hills, CA and other places. NPI 1952346009. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Lisa E. Guerra, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

General PracticePrimary specialty
YesAccepts Medicare assignment
25Years since medical school (graduated 2001)
University Of Illinois College Of Med (chi/peor/rock/chm-Urb)Medical school
FemaleGender (as listed)
Memorialcare Medical FoundationGroup practice (+1 more)

Quick answers

Which hospitals does Lisa E. Guerra work at?
Medicare's official clinician data lists Lisa E. Guerra at 4 hospitals: Hoag Memorial Hospital Presbyterian, Memorialcare Orange Coast Medical Center, Memorialcare Saddleback Medical Center and Providence Mission Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Lisa E. Guerra see patients?
Medicare's clinician data lists 2 practice locations, including Newport Beach, CA and Orange, CA. Call before your visit to confirm the address.
What is Lisa E. Guerra's specialty?
Medicare lists General Practice as the primary specialty, and also General Surgery.
Does Lisa E. Guerra accept Medicare assignment?
Yes. Medicare's clinician data says Lisa E. Guerra 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 Lisa E. Guerra?
(714) 571-5900, as listed in official Medicare / NPI Registry data.
What is Lisa E. Guerra's NPI number?
1952346009. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Lisa E. Guerra works

Medicare's Facility Affiliation Data lists Lisa E. Guerra at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Lisa E. Guerra is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Lisa E. Guerra as a member of these groups (CMS data updated 2026-10-02).

  • Memorialcare Medical Foundation566 clinicians in the group
  • Breastlink Medical Group Inc2 clinicians in the group

Specialties

Find other General Practice doctors in California →

Other general practitioners in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All general practitioners in California →

Clinician information

CredentialMD
Medical schoolUniversity Of Illinois College Of Med (chi/peor/rock/chm-Urb)
Graduation year2001
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1952346009
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians