Summary

Dr. Mark Castellanet specializes in cardiovascular disease and internal medicine, bringing more than five decades of medical expertise to patient care. He earned his medical degree from Washington University in St. Louis School of Medicine, a prestigious institution known for its rigorous training programs. With 56 years of experience treating patients, Dr. Castellanet has developed deep knowledge in managing heart conditions and providing comprehensive internal medicine care. He communicates with patients in English.

Dr. Castellanet practices in Los Alamitos and Laguna Hills, California, serving patients across these communities. His extensive background in cardiovascular medicine allows him to address complex heart-related health concerns with the wisdom that comes from decades of clinical practice. Patients have given him an average rating of 5.0, reflecting their confidence in his medical expertise and patient care approach.

AI-generated from data on this provider profile.

Quick Facts

  • 5
  • 56 years of experience
  • speaks English
  • Washington University In St Louis School Of Medicine
  • 2 specialties
  • 1 area of expertise
  • 2 office locations
  • Male

Office Locations

Dr. Mark John Castellanet has 2 locations

Dr. Mark John Castellanet

3801 Katella AveLos Alamitos, CA 90720

Dr. Mark John Castellanet

25221 Derbyhill DrLaguna Hills, CA 92653

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Dr. Mark John CastellanetDr. Ted Yang, MDDr. Raghav Sharma, MDDr. Rana Fattahi, MD
Cardiovascular DiseaseCardiovascular DiseaseCardiovascular DiseaseDiagnostic Radiology
Accepts New Patients Accepts New Patients Accepts New Patients
4.6 
56 Years of Experience 30 Years of Experience 16 Years of Experience 20 Years of Experience
No Virtual Visit Option No Virtual Visit Option Virtual Visit Available No Virtual Visit Option
Speaks English Speaks English, Taiwanese, Mandarin Speaks English, Hindi Speaks English
Los Alamitos , CATorrance , CAWinter Park , FLNorthridge , CA
Med School: Washington University In St Louis School Of Medicine Med School: New York Medical College Med School: New York Medical College Med School: Tehran University Of Medical Sciences
Current Profile
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Insurance Plans Accepted by Dr. Mark John Castellanet

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Mark John Castellanet has the following 2 specialties

Specialty Expertise

Dr. Mark John Castellanet has the following area of expertise

  • Internal Medicine

Certifications, License, & Education

56 Years Experience

EDUCATION & TRAINING

Medical School

Washington University In St Louis School Of MedicineGraduated in 1970

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Frequently Asked Questions

Is Dr. Mark Castellanet accepting new patients?
Dr. Mark Castellanet has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Mark Castellanet accept my insurance?
You can see the insurance plans that Dr. Mark Castellanet accepts on their Vitals profile.
Where is Dr. Mark Castellanet's office located?
Dr. Mark Castellanet's office is located at 3801 Katella Ave, Los Alamitos, CA, 90720.
Does Dr. Mark Castellanet accept virtual/telehealth appointments?
Dr. Mark Castellanet has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. Mark Castellanet?
You can find contact information for Dr. Mark Castellanet here on Vitals.

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