4
6 Ratings with 1 written Review
Summary
Dr. Johnson graduated from the University of Cincinnati College of Medicine in 2007. He works in San Luis Obispo, CA and 3 other locations and specializes in Radiation Oncology and Internal Medicine. Dr. Johnson is affiliated with Adventist Health Sierra Vista, French Hospital Medical Center and California Mens Colony Hospital.
Quick Facts
- accepting new patients
- 19 years of experience
- speaks English, Spanish
- University Of Cincinnati College Of Medicine
- 1 written review
- 2 specialties
- 2 areas of expertise
- 2 board certifications
- 3 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. Robert Ryn Johnson has 4 locationsSan Luis Radiation Oncology Center
100 Casa St Ste CSan Luis Obispo, CA 93405 Tel: (805) 541-1932
Mon8:00 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
SatClosed
SunClosed
Sutter Health Palo Alto Medical Foundation Palo Alto Center
795 El Camino RealPalo Alto, CA 94301 Tel: (650) 321-4121
Mon8:00 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
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Robert Ryn Johnson, MD | Dr. Michael R Hubbard, DO | Dr. Tony Khanh Tran, MD | Dr. Nancy Lynn Omalley, MD |
| Radiation Oncology | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 19 Years of Experience | 17 Years of Experience | 20 Years of Experience | 34 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English, Spanish | Speaks Spanish, Vietnamese, English | Speaks English | Speaks English |
| San Luis Obispo , CA | San Luis Obispo , CA | Mountain View , CA | San Luis Obispo , CA |
| Med School: University Of Cincinnati College Of Medicine | Med School: A T Still University Kirksville College Of Osteopathic Medicine | Med School: Chicago Medical School At Rosalind Franklin University-Medicine & Sciences | Med School: Chicago Medical School At Rosalind Franklin University-Medicine & Sciences |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Robert Ryn Johnson
Medical Specialties
Dr. Robert Ryn Johnson has the following 2 specialties
Specialty Expertise
Dr. Robert Ryn Johnson has the following 2 areas of expertise
Certifications, License, & Education
19 Years Experience
Dr. Robert Ryn Johnson 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 University Of Cincinnati College Of Medicine in 2007.
NPI Number
Dr. Johnson's NPI number is 1598942781.
Similar doctors
Frequently Asked Questions
- Does Dr. Robert Johnson accept virtual/telehealth appointments?
- Dr. Robert Johnson has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Which hospitals is Dr. Robert Johnson affiliated with?
- Dr. Robert Johnson is affiliated with Adventist Health Sierra Vista, French Hospital Medical Center, and California Mens Colony Hospital.
- How can I make an appointment with Dr. Robert Johnson?
- You can find contact information for Dr. Robert Johnson here on Vitals.
- Does Dr. Robert Johnson accept my insurance?
- You can see the insurance plans that Dr. Robert Johnson accepts on their Vitals profile.
- Is Dr. Robert Johnson accepting new patients?
- Dr. Robert Johnson is accepting new patients on Vitals. View Dr. Robert Johnson's profile on Vitals to make an appointment.
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.
