0 reviews
Summary
Dr. Gregory Lewis is an ophthalmologist who specializes in comprehensive eye care with 25 years of clinical experience. He earned his medical degree from the University of Tennessee Health Science Center College of Medicine, building a strong foundation for his career in eye health. Dr. Lewis is fluent in Russian, Spanish, and English, allowing him to serve a diverse patient population.
Dr. Lewis practices at Kaiser Permanente Fresno Medical Center and Mayo Clinic Jacksonville, with his primary location in Fresno, California. He focuses on treating diabetic eye disease, age-related macular degeneration, and diabetic retinopathy. His expertise includes performing comprehensive eye exams, retinal imaging, and optical coherence tomography to diagnose and monitor various eye conditions.
Dr. Lewis practices at Kaiser Permanente Fresno Medical Center and Mayo Clinic Jacksonville, with his primary location in Fresno, California. He focuses on treating diabetic eye disease, age-related macular degeneration, and diabetic retinopathy. His expertise includes performing comprehensive eye exams, retinal imaging, and optical coherence tomography to diagnose and monitor various eye conditions.
Overview based on verified provider data
Quick Facts
- 25 years of experience
- speaks Russian, Spanish, English
- University Of Tennessee Health Science Center College Of Medicine
- 1 specialty
- 9 areas of expertise
- 1 board certification
- 2 hospital affiliations
- 1 office location
- Male
Office Location
Compare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| Dr. Gregory Michael Lewis, MD | Dr. William Andrew Maxwell, MD | Dr. David Brett Kaye, MD | Dr. Steven Gary Fogg, MD |
| Ophthalmology | Ophthalmology | Ophthalmology | Ophthalmology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 25 Years of Experience | 50 Years of Experience | 57 Years of Experience | 35 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks Russian, Spanish, English | Speaks Spanish, English | Speaks Spanish, Chinese | Speaks English, Spanish |
| Fresno , CA | Fresno , CA | Madera , CA | Fresno , CA |
| Med School: University Of Tennessee Health Science Center College Of Medicine | Med School: Medical University Of South Carolina College Of Medicine | Med School: University Of The Witwatersrand Faculty Of Health Sciences | Med School: Spencer Fox Eccles School Of Medicine At The University Of Utah |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Gregory Michael Lewis
Medical Specialties
Dr. Gregory Michael Lewis has the following specialty
Specialty Expertise
Dr. Gregory Michael Lewis has the following 9 areas of expertise
Certifications, License, & Education
25 Years Experience
Dr. Gregory Michael Lewis 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
Medical School
Graduated from University Of Tennessee Health Science Center College Of Medicine in 2001.
NPI Number
Dr. Lewis' NPI number is 1194753301.
Similar doctors
Frequently Asked Questions
- Is Dr. Gregory Lewis accepting new patients?
- Dr. Gregory Lewis has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Does Dr. Gregory Lewis accept my insurance?
- You can see the insurance plans that Dr. Gregory Lewis accepts on their Vitals profile.
- What languages does Dr. Gregory Lewis speak?
- Dr. Gregory Lewis speaks Russian, Spanish, and English.
- How can I make an appointment with Dr. Gregory Lewis?
- You can find contact information for Dr. Gregory Lewis here on Vitals.
- Which hospitals is Dr. Gregory Lewis affiliated with?
- Dr. Gregory Lewis is affiliated with Kaiser Permanente Fresno Medical Center and Mayo Clinic Jacksonville.
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.







