Summary

Dr. John Cassidy is a dermatologist with additional expertise in family medicine and plastic surgery. He earned his medical degree from the University of Louisville School of Medicine and completed his residency at Orange County Medical Center. With 59 years of clinical experience, Dr. Cassidy brings extensive knowledge to his practice. He is fluent in both Spanish and English.

Dr. Cassidy is affiliated with Newport Bay Hospital and practices in Newport Beach, California. He specializes in treating common skin conditions such as acne, cold sores, and genital herpes. His procedural expertise includes cryotherapy for skin lesions, laser therapy for skin concerns, and comprehensive skin lesion removal. Patients rate Dr. Cassidy 4.0 out of 5 stars for his care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4
  • 59 years of experience
  • 3 insurance plans accepted
  • speaks Spanish, English
  • Orange County Medical Center
  • 3 specialties
  • 2 areas of expertise
  • 3 board certifications
  • 1 hospital affiliation
  • 2 office locations
  • Male

Patients’ Perspective

  • Flexible scheduling

Office Locations

Dr. John Brennan Cassidy has 2 locations

Newport Dermatology And Laser Associates

1441 Avocado Ave Ste 806Newport Beach, CA 92660
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Hoag Memorial Hospital Presbyterian

1 Hoag DrNewport Beach, CA 92663

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Dr. John Brennan Cassidy, MDAdvanced Dermatology & Skin Cancer SpecialistsDr. Jasbir Singh Sandhu, MDDr. Anna Chacon, MD
DermatologyDermatologyDermatologyDermatology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.6 
59 Years of Experience 14 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks Spanish, English Speaks English Speaks English, Spanish Speaks English, Spanish, French
Newport Beach , CARiverside , CAPalmdale , CAMiami , FL
Med School: University Of Louisville School Of Medicine Med School: Brown Medical School
Current Profile
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Insurance Plans Accepted by Dr. John Brennan Cassidy

  • Accepts Medicaid
  • BLUE CROSS of CALIFORNIA
  • Blue Shield of California
  • Blue Shield of California - HMO

Medical Specialties

Dr. John Brennan Cassidy has the following 3 specialties

Specialty Expertise

Dr. John Brennan Cassidy has the following 2 areas of expertise

  • Family Medicine
  • Plastic Surgery

Certifications, License, & Education

59 Years Experience

Dr. John Brennan Cassidy holds an active medical license in the state of California.

Medical License

Medical Doctor with an active medical license in the state of California that expires in 2027.

Education & Training

Residency

Completed their residency at Orange County Medical Center.

Medical School

Graduated from University Of Louisville School Of Medicine in 1967.

NPI Number

Dr. Cassidy's NPI number is 1528132487.

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Frequently Asked Questions

How can I make an appointment with Dr. John Cassidy?
You can find contact information for Dr. John Cassidy here on Vitals.
Does Dr. John Cassidy accept my insurance?
You can see the insurance plans that Dr. John Cassidy accepts on their Vitals profile.
What languages does Dr. John Cassidy speak?
Dr. John Cassidy speaks Spanish and English.
Which hospitals is Dr. John Cassidy affiliated with?
Dr. John Cassidy is affiliated with Newport Bay Hospital.
Where is Dr. John Cassidy's office located?
Dr. John Cassidy's office is located at 1441 Avocado Ave Ste 806, Newport Beach, CA, 92660.

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