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

  • 5
  • 45 years of experience
  • St Mary Nazareth Hospital Center
  • 4 specialties
  • 12 areas of expertise
  • 1 hospital affiliation
  • 1 office location
  • Male

Office Location

Northbay Medical Center

1200 B Gale Wilson BlvdFairfield, CA 94533

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Dr. Lester Ralph Ryan, MDMia Dominique ManipudKaitlin Ann JohnsonJasmine Piga
Critical Care MedicineNurse PractitionerNurse PractitionerNurse Practitioner
Accepts New Patients Accepts New Patients
45 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Fairfield , CASanta Clara , CAWalnut Creek , CAFairfield , CA
Med School: Medical University Of Warsaw
Current Profile
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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

  • Anesthesiology
  • Attention-Deficit/Hyperactivity Disorder (ADHD)
  • Bipolar Disorder
  • Clinical Depression
  • Family Medicine
  • Insomnia
  • Manic Depressive Disorder
  • Mental Illness
  • Mood Disorders
  • Personality Disorder
  • Psychiatry
  • Schizophrenia

Certifications, License, & Education

45 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2026, Expired

EDUCATION & TRAINING

Residency

St Mary Nazareth Hospital Center

Medical School

Medical University Of WarsawGraduated in 1981

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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 my insurance?
You can see the insurance plans that Dr. Lester Ryan accepts on their Vitals profile.
Is Dr. Lester Ryan accepting new patients?
Dr. Lester Ryan has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. Lester Ryan affiliated with?
Dr. Lester Ryan is affiliated with Northbay Medical Center.

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