3
5 Ratings with 2 written Reviews
Summary
Dr. John Geiss is a family medicine physician who earned his medical degree from Midwestern University-Arizona College of Osteopathic Medicine. With 15 years of experience in practice, he provides comprehensive primary care services to patients and families. His osteopathic training emphasizes treating the whole person and understanding how different body systems work together.
Dr. Geiss practices at multiple locations including facilities in Chino and Santa Ana, California, as well as Ontario, Oregon. He treats common conditions such as high blood pressure and type 2 diabetes. His practice also offers services like COVID-19 testing and physical therapy consultations. Patients have given him an average rating of 3.0 on Vitals.
Dr. Geiss practices at multiple locations including facilities in Chino and Santa Ana, California, as well as Ontario, Oregon. He treats common conditions such as high blood pressure and type 2 diabetes. His practice also offers services like COVID-19 testing and physical therapy consultations. Patients have given him an average rating of 3.0 on Vitals.
Overview based on verified provider data
Quick Facts
- 15 years of experience
- Midwestern University-Arizona College Of Osteopathic Medicine
- 2 written reviews
- 2 specialties
- 7 areas of expertise
- 7 hospital affiliations
- 4 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. John Mark Geiss has 4 locationsCompare with Similar Doctors
 |  |  |  |
| Dr. John Mark Geiss, DO | Dr. Mona Salib Ghobrial, MD | Dr. James L. Pearson, MD | Dr. Samantha Von Ins, MD |
| Family Medicine | Family Medicine | Family Medicine | Family Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 15 Years of Experience | 9 Years of Experience | 16 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available |
| Speaks English, Arabic | Speaks English | Speaks Spanish, Vietnamese | |
| Chino , CA | Newport Beach , CA | Seal Beach , CA | Placentia , CA |
| Med School: Midwestern University-Arizona College Of Osteopathic Medicine | Med School: Ain Shams University, Bachelor of Medicine, Bachelor of Surgery | Med School: St Georges University School Of Medicine | Med School: University Of California Irvine College Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. John Mark Geiss
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. John Mark Geiss has the following 2 specialties
Specialty Expertise
Dr. John Mark Geiss has the following 7 areas of expertise
Certifications, License, & Education
15 Years Experience
Dr. John Mark Geiss holds an expired medical license in the state of California.
Medical License
Doctor Of Osteopathy with an expired medical license in the state of California that expired in 2026.
Education & Training
Medical School
Graduated from Midwestern University-Arizona College Of Osteopathic Medicine in 2011.
NPI Number
Dr. Geiss' NPI number is 1053651497.
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Frequently Asked Questions
- Does Dr. John Geiss accept my insurance?
- You can see the insurance plans that Dr. John Geiss accepts on their Vitals profile.
- Which hospitals is Dr. John Geiss affiliated with?
- Dr. John Geiss is affiliated with South Coast Global Medical Center, Orange County Global Medical Center, Saint Jude Hospital, Chino Valley Medical Center, Chapman Medical Center Inc, Saint Alphonsus Medical Center Nampa, and Saint Alphonsus Medical Center Ontario.
- Is Dr. John Geiss accepting new patients?
- Dr. John Geiss has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- How can I make an appointment with Dr. John Geiss?
- You can find contact information for Dr. John Geiss here on Vitals.
- Does Dr. John Geiss accept virtual/telehealth appointments?
- Dr. John Geiss has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
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