Dr. Horenstein graduated from the Universidad De Buenos Aires in 1994. Dr. Horenstein works in Orange, CA and 2 other locations and specializes in Pediatric Cardiology. Dr. Horenstein is affiliated with CHOC Children's Hospital, El Centro Regional Medical Center and Pioneers Memorial Healthcare District.


Years Experience: 25

Procedures Performed

Dr. Horenstein's Specialties

Dr. Horenstein's Education & Training

Medical School
Universidad De Buenos Aires; Graduated 1994


  • Overall Rating

  • Rate
    Explains conditions & treatments

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    Takes time to answer my questions

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    Provides follow-up as needed

Dr. Horenstein's Accepted Insurance

Please verify insurance information directly with your doctor's office as it may change frequently.

Insurance Plans

  • Aetna Basic HMO
  • Aetna Choice POS II
  • Aetna HMO
  • Aetna HMO Deductible Plan CA only
  • Aetna Managed Choice POS Open Access

Dr. Horenstein's Office Information & Appointments

This physician has multiple office locations. See Office Information for details.


CHOC Children's Hospital

1201 W La Veta Ave
Orange, CA 92868

Get Directions

Tel: (714) 997-3000

Fax: (714) 744-8545

Practice Website: Not Available

Accepting New Patients: No

Medicare Accepted: No

Medicaid Accepted: No

M 8:00 AM - 4:30 PM
T 8:00 AM - 4:30 PM
W 8:00 AM - 4:30 PM
T 8:00 AM - 4:30 PM
F 8:00 AM - 4:30 PM
S Closed
S Closed

Other Physicians in Dr. Horenstein's Practice