5
2 Ratings
Summary
Dr. Ryan graduated from the Medical University of Warsaw in 1981. He works in Fairfield, CA and specializes in Critical Care Medicine, Anesthesiology, Family Medicine and Psychiatry. Dr. Ryan is affiliated with Northbay Medical Center.
Quick Facts
- 45 years of experience
- St Mary Nazareth Hospital Center
- 4 specialties
- 12 areas of expertise
- 1 hospital affiliation
- 1 office location
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Location
Compare with Similar Doctors
 |  | | |
| Dr. Lester Ralph Ryan, MD | Mei Ou | Daniel W Tsegay | Jody Lyn Schultz |
| Critical Care Medicine | Nurse Practitioner | Nurse Practitioner | Nurse Practitioner |
| Accepts New Patients | |||
| 45 Years of Experience | |||
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Fairfield , CA | Sonoma , CA | HERCULES , CA | Seneca , SC |
| Med School: Medical University Of Warsaw | |||
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Lester Ralph Ryan
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Lester Ralph Ryan has the following 4 specialties
Specialty Expertise
Dr. Lester Ralph Ryan has the following 12 areas of expertise
Certifications, License, & Education
45 Years Experience
Dr. Lester Ralph Ryan 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 2026.
Education & Training
Residency
Completed their residency at St Mary Nazareth Hospital Center.
Medical School
Graduated from Medical University Of Warsaw in 1981.
NPI Number
Dr. Ryan's NPI number is 1487716718.
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Frequently Asked Questions
- How can I make an appointment with Dr. Lester Ryan?
- You can find contact information for Dr. Lester Ryan here on Vitals.
- Where is Dr. Lester Ryan's office located?
- Dr. Lester Ryan's office is located at 1200 B Gale Wilson Blvd, Fairfield, CA, 94533.
- Does Dr. Lester Ryan accept virtual/telehealth appointments?
- Dr. Lester Ryan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Does Dr. Lester Ryan accept my insurance?
- You can see the insurance plans that Dr. Lester Ryan accepts on their Vitals profile.
- Which hospitals is Dr. Lester Ryan affiliated with?
- Dr. Lester Ryan is affiliated with Northbay Medical Center.
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