Dr. Karen T. Diep
- Gender: Female
- Sole propriator: No
- NPI: 1851942569
Dr. Karen T. Diep
Optometrist
She is located at 9961 Sierra Avenue # 4 in Fontana, CA 92335. Can help patients with the following: Astigmatism, Binocular Dysfunction (BVD), Color Blindness, Exotropia, Macular Degeneration, Oculomotor Dysfunction. Her National Provider Identifier (NPI) number is 1851942569. Appointment can be made via the phone number (909) 427-6984.
Conditions treated
Dr. Karen Tuyet Diep, being an optometrist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Karen T. Diep.
- Astigmatism
- Binocular Dysfunction (BVD)
- Blepharitis
- Blindness
- Cataracts
- Color Blindness
- Contact Lens Prescription and Fitting
- Crossed Eyes
- Diabetic Retinopathy
- Dry Eyes
- Esotropia
- Exotropia
- Eye Allergy
- Eye Floaters
- Eye Strain
- Eyeglasses Fitting and Prescription
- Farsightedness
- Glaucoma
- Hypertropia
- Lazy Eye
- Macular Degeneration
- Nearsightedness
- Oculomotor Dysfunction
- Pink Eye
- Presbyopia
- Retinal Imaging
- Sty
Medicare Enrollment
Dr. Karen T. Diep is enrolled to bill Medicare as a Practitioner - Optometry .
Bills through: Southern California Permanente Medical Group
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.
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- Gender: Female
- Address: 9961 Sierra Avenue Fontana, 92335, CA
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- Address: 9961 Sierra Avenue Fontana, 92335, CA
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- Address: 9961 Sierra Avenue Fontana, 92335, CA
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- Gender: Male
- Address: 9961 Sierra Avenue Fontana, 92335, CA
- Gender: Female
- Address: 9961 Sierra Avenue Fontana, 92335, CA
Questions & Answers
Does Dr. Karen Tuyet Diep accept insurance?
Unfortunately we don't have any information if Dr. Karen Tuyet Diep accepts insurance.
What conditions does Dr. Karen Tuyet Diep treat?
Dr. Karen Tuyet Diep provides treatment for Astigmatism, Binocular Dysfunction (BVD), Color Blindness, Exotropia, Macular Degeneration, Oculomotor Dysfunction. For the full list see this list.
Where can you meet with Dr. Karen Tuyet Diep?
Dr. Karen Tuyet Diep's office is located at 9961 Sierra Avenue # 4 in Fontana, CA 92335.