4.4
17 Ratings with 3 written Reviews
Summary
Dr. Jay Harness is a thoracic surgeon who specializes in surgery and surgical oncology with an impressive 57 years of clinical experience. He earned his medical degree from the University of Michigan Medical School and completed his residency at the University of Michigan Health System. Dr. Harness is fluent in English and brings decades of expertise to his surgical practice.
Dr. Harness maintains hospital affiliations with Saint Joseph Hospital Orange and practices at CHOC Children's Hospital in Mission Viejo, California. His clinical focus includes treating breast cancer, including metastatic or recurrent cases, and Paget disease of the breast. He performs specialized diagnostic procedures such as arterial blood gas analysis and calcium blood tests. Patients have given Dr. Harness an average rating of 4.4 out of 5 stars.
Dr. Harness maintains hospital affiliations with Saint Joseph Hospital Orange and practices at CHOC Children's Hospital in Mission Viejo, California. His clinical focus includes treating breast cancer, including metastatic or recurrent cases, and Paget disease of the breast. He performs specialized diagnostic procedures such as arterial blood gas analysis and calcium blood tests. Patients have given Dr. Harness an average rating of 4.4 out of 5 stars.
Overview based on verified provider data
Quick Facts
- 57 years of experience
- 4 insurance plans accepted
- speaks English
- University Of Michigan Health System
- 3 written reviews
- 3 specialties
- 15 areas of expertise
- 1 hospital affiliation
- 1 office location
- Male
Office Location
Choc Childrens Hospital At Mission Viejo
27700 Medical Center RdMission Viejo, CA 92691 Tel: (949) 364-1400
Compare with Similar Doctors
 | |  | |
| Dr. Jay Kenneth Harness, MD | Dr. Steven Chung-Chih Chang, MD | Dr. Kyna Zacharias Shnayderman, MD | Dr. Clarence Rolland Petrie, MD |
| Thoracic Surgery | Family Medicine | Family Medicine | Surgery |
| Accepts New Patients | Accepts New Patients | ||
| 57 Years of Experience | 48 Years of Experience | 14 Years of Experience | 65 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks Chinese, Spanish, English | Speaks Spanish, English | Speaks English, Spanish |
| Mission Viejo , CA | Newport Beach , CA | Huntington Park , CA | Aliso Viejo , CA |
| Med School: University Of Michigan Medical School | Med School: Keio University School Of Medicine | Med School: Medical College Of Wisconsin | Med School: University Of Cape Town Faculty Of Health Sciences |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Jay Kenneth Harness
Medical Specialties
Dr. Jay Kenneth Harness has the following 3 specialties
Specialty Expertise
Dr. Jay Kenneth Harness has the following 15 areas of expertise
Certifications, License, & Education
57 Years Experience
MEDICAL LICENSE
Medical Doctor, California, 2026, Active
EDUCATION & TRAINING
Residency
University Of Michigan Health System
Medical School
University Of Michigan Medical SchoolGraduated in 1969
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Frequently Asked Questions
- Where is Dr. Jay Harness's office located?
- Dr. Jay Harness's office is located at 27700 Medical Center Rd, Mission Viejo, CA, 92691.
- Is Dr. Jay Harness accepting new patients?
- Dr. Jay Harness has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Does Dr. Jay Harness accept my insurance?
- You can see the insurance plans that Dr. Jay Harness accepts on their Vitals profile.
- What languages does Dr. Jay Harness speak?
- Dr. Jay Harness speaks English.
- Does Dr. Jay Harness accept virtual/telehealth appointments?
- Dr. Jay Harness has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
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