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Summary
Dr. Maria Horenstein treats congenital heart disease, chest wall pain, and chest pain, and performs exercise electrocardiograms, pulmonary function testing, and stress echocardiograms. She has practiced cardiology and pediatrics for 32 years. Dr. Horenstein is affiliated with El Centro Regional Medical Center, CHOC Children's Hospital at Orange, UCI Medical Center, and Saint Joseph Hospital Orange, and sees patients in Orange and El Centro, California. She earned her medical degree from Universidad Nacional de Cuyo Facultad de Ciencias Medicas and speaks English and Spanish.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 32 years of experience
- speaks English, Spanish
- Universidad Nacional De Cuyo Facultad De Ciencias Medicas
- 2 specialties
- 3 areas of expertise
- 4 hospital affiliations
- 5 office locations
- Female
Office Locations
Dr. Maria S Horenstein has 5 locationsChoc Childrens Specialist Cardiology
505 S Main St Ste 600Orange, CA 92868Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
Sat8:00 am - 12:00 pm
SunClosed
Compare with Similar Doctors
 |  | | |
| Dr. Maria S Horenstein, MD | Dr. Raghav Sharma, MD | Lucille Rae Broberg | Vivian Lam |
| Cardiology | Cardiology | Pediatrics | Pediatrics |
| Accepts New Patients | Accepts New Patients | ||
| 32 Years of Experience | 16 Years of Experience | 50 Years of Experience | 9 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English, Spanish | Speaks English, Hindi | ||
| Orange , CA | Winter Park , FL | FOUNTAIN VALLEY , CA | Monterey Park , CA |
| Med School: Universidad Nacional De Cuyo Facultad De Ciencias Medicas | Med School: New York Medical College | Med School: Univ Of Saskatchewan Coll Of Med | Med School: Georgetown University School Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Maria S Horenstein
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Maria S Horenstein has the following 2 specialties
Specialty Expertise
Dr. Maria S Horenstein has the following 3 areas of expertise
Certifications, License, & Education
32 Years Experience
Dr. Maria S Horenstein holds an expired medical license in the state of California.
Medical License
Medical Doctor with an expired medical license in the state of California that expired in 2025.
Education & Training
Medical School
Graduated from Universidad Nacional De Cuyo Facultad De Ciencias Medicas in 1994.
NPI Number
Dr. Horenstein's NPI number is 1760626352.
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Frequently Asked Questions
- Is Dr. Maria Horenstein accepting new patients?
- Dr. Maria Horenstein is accepting new patients on Vitals. View Dr. Maria Horenstein's profile on Vitals to make an appointment.
- What languages does Dr. Maria Horenstein speak?
- Dr. Maria Horenstein speaks English and Spanish.
- Does Dr. Maria Horenstein accept my insurance?
- You can see the insurance plans that Dr. Maria Horenstein accepts on their Vitals profile.
- Does Dr. Maria Horenstein accept virtual/telehealth appointments?
- Dr. Maria Horenstein has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Which hospitals is Dr. Maria Horenstein affiliated with?
- Dr. Maria Horenstein is affiliated with El Centro Regional Medical Center, Choc Childrens Hospital At Orange, Uci Medical Center, and Saint Joseph Hospital Orange.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
- Healthcare system and provider network data
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