Find a Doctor
Enter a name (first, last, or both) AND city/state combo or ZIP code to view results.
Robert Ryn Johnson, MD
RANCHO MIRAGE, CA 92270
SALINAS, CA 93901
SAN LUIS OBISPO, CA 93405
SN LUIS OBISP, CA 93405
TEMPLETON, CA 93465
Dr. Robert Ryn Johnson is a physician specializing in Radiation Oncology in Rancho Mirage, CA, Salinas, CA, San Luis Obispo, CA, Sn Luis Obisp, CA and Templeton, CA.
Physician data used in Find a Doctor is sourced from the American Medical Association's Physician Professional Data. Formerly known as the AMA Physician Masterfile, this collection was established by the AMA in 1906 in response to the need for a comprehensive biographic record of all US physicians. The AMA Physician Professional Data includes information on both AMA members and non-members and international medical graduates to practice or reside in the United States. Each physician record includes educational and demographic information such as name, address, educational history, practice type and specialty.
Are you Dr. Johnson?
If yes, Sign in above and click the View Your Page button. Then click the Claim Your Page button on your physician page to verify your information and add your practice URL.
Don't have an AMA Sign In account?
Create your free account and claim your page
No, I am a designated administrator or medical staff professional for my organization looking to verify credentials for Dr. Johnson or in accordance with accreditation standards such as Joint Commission or NCQA. Click here to visit AMA Credentialing Solutions.
No, I am looking for other physicians specializing in Radiation Oncology. Search Find a Doctor for physicians by name and location.