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Dr. John A. Ritzo, MD is a family medicine practitioner in San Mateo, CA specializing in family medicine. Dr. John A. Ritzo, MD is affiliated with Sutter Health.
He completed residency at Central Maine Medical Center. He has a state license in Maine.
Residency: Central Maine Medical Center (2025)
Licensed In: Maine
Dr. John A. Ritzo, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 1 ratings. We collect ratings and reviews of Dr. John A. Ritzo, MD from all over the web to help you find the right in San Mateo, CA.
Dr. Ritzo offers a different approach to primary care with conveniences like same/next-day appointments that start on time and a focus on preventive medicine. His MDVIP-affiliated practice is open to new patients, including Medicare and commercially insured, in San Mateo. Dr. Ritzo sees fewer patients, which means he has more time to offer. Similar to concierge medicine physicians, Dr. Ritzo is available 24/7 by phone. His practice offers the MDVIP Wellness Program, which includes advanced health screenings and diagnostic tests that have been shown to help detect issues earlier.
