MW
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Williams, Retina Specialist in Orange, CA?
Dr. Mark Williams, MD is a Retina Specialist, who primarily practices in Orange, CA with 2 additional practice locations. Dr. Williams is fluent in English and Spanish, and is currently seeing new patients. Dr. Williams’s practice accepts Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Williams’s office at (714) 738-4621.
What languages does Dr. Williams speak?
Dr. Williams and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Williams treat?
As a Retina Specialist, Dr. Williams diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Williams. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Aging of the eye's gel
- Strands and floaters in the eye's gel
- Eye Disease
- Vitreous Detachment
- Vitreous syneresis
- Eye gel breakdown
- Vitreous aging
- Eye floaters
- Vitreous opacities
- Vitreous membranes
ICD-10 Codes:
- H43813: Vitreous degeneration, bilateral
- H43393: Other vitreous opacities, bilateral
- H43811: Vitreous degeneration, right eye
Also known as:
- Wet Macular Degeneration
- Macular Degeneration
- Exudative AMD
- Neovascular Macular Degeneration
- Wet AMD
ICD-10 Codes:
- H353211: Exudative age-related macular degeneration, right eye, with active choroidal neovascularization
Also known as:
- Retinopathy of Prematurity
- Premature Babies
- Retinal Disorder
- ROP
- Premature Retinopathy
- Retinal Disease in Premature Babies
ICD-10 Codes:
- H35113: Retinopathy of prematurity, stage 0, bilateral
Also known as:
- Horseshoe Retinal Tear
- Retinal Disorder
- U-shaped Retinal Tear
- Flap Retinal Tear
- Retinal Break
ICD-10 Codes:
- H33311: Horseshoe tear of retina without detachment, right eye
Also known as:
- Type 2 Diabetes with Advanced Diabetic Eye Disease and Macular Swelling (Both Eyes)
- Diabetes Type 2
- Diabetic Eye Problems
- Proliferative Diabetic Retinopathy with Macular Edema Bilateral
- Advanced Retina Damage Both Eyes with Macular Swelling
- Diabetic Macular Edema Both Eyes
ICD-10 Codes:
- E113513: Type 2 diabetes mellitus with proliferative diabetic retinopathy with macular edema, bilateral
What procedures does Dr. Williams perform?
As a Retina Specialist, Dr. Williams performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Williams. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Eye Injection
- Intravitreal Injection
- Retinal Injection
- Macular Degeneration Injection
- Eye Medication Injection
CPT Codes:
- 67028: Intravitreal injection of a pharmacologic agent (separate procedure)
Also known as:
- Vitrectomy Eye Surgery
- Retinal Detachment Repair with Vitrectomy
- Vitrectomy for Macular Pucker
- Pars Plana Vitrectomy
- Retinal Surgery
- Eye Gel Removal Surgery
- Vitrectomy for retinal detachment
- Retinal reattachment surgery
- Eye surgery for detached retina
- Retinal Membrane Removal
- Macular Pucker Surgery
CPT Codes:
- 67036: Vitrectomy, mechanical, pars plana approach;
- 67108: Repair of retinal detachment; with vitrectomy, any method, including, when performed, air or gas tamponade, focal endolaser photocoagulation, cryotherapy, drainage of subretinal fluid, scleral buckling, and/or removal of lens by same technique
- 67041: Vitrectomy, mechanical, pars plana approach; with removal of preretinal cellular membrane (eg, macular pucker)
Also known as:
- Vitrectomy with Endolaser Treatment
- Retina Repair for Macular Hole or Edema
- Pars Plana Vitrectomy with Laser
- Retinal Laser Surgery
- Diabetic Retinopathy Surgery
- Vitrectomy with Membrane Peel
- Macular Hole Repair
- Diabetic Macular Edema Surgery
- Internal Limiting Membrane Removal
CPT Codes:
- 67040: Vitrectomy, mechanical, pars plana approach; with endolaser panretinal photocoagulation
- 67042: Vitrectomy, mechanical, pars plana approach; with removal of internal limiting membrane of retina (eg, for repair of macular hole, diabetic macular edema), includes, if performed, intraocular tamponade (ie, air, gas or silicone oil)
Also known as:
- Laser Treatment for Retinopathy
- Photocoagulation for Retinopathy
- Diabetic Retinopathy Laser Treatment
- Retinal Laser Therapy
CPT Codes:
- 67228: Treatment of extensive or progressive retinopathy (eg, diabetic retinopathy), photocoagulation
Also known as:
- Retinal Laser Treatment
- Retinal Photocoagulation
- Laser for Retinal Tear
- Retinal Detachment Prevention Laser
CPT Codes:
- 67145: Prophylaxis of retinal detachment (eg, retinal break, lattice degeneration) without drainage; photocoagulation
Also known as:
- Complex Retinal Detachment Repair
- Vitrectomy for Retinal Detachment
- Proliferative Vitreoretinopathy Repair
- Diabetic Retinal Detachment Surgery
CPT Codes:
- 67113: Repair of complex retinal detachment (eg, proliferative vitreoretinopathy, stage C-1 or greater, diabetic traction retinal detachment, retinopathy of prematurity, retinal tear of greater than 90 degrees), with vitrectomy and membrane peeling, including, when performed, air, gas, or silicone oil tamponade, cryotherapy, endolaser photocoagulation, drainage of subretinal fluid, scleral buckling, and/or removal of lens
Also known as:
- Secondary Intraocular Lens Implant
- IOL implant (secondary)
- Replacement eye lens surgery
- Artificial lens insertion (secondary)
CPT Codes:
- 66985: Insertion of intraocular lens prosthesis (secondary implant), not associated with concurrent cataract removal
Does Dr. Williams accept my insurance?
Dr. Williams accepts most major insurance plans. Important: Please call our office at (714) 738-4621 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Williams accept in Orange, CA?
Dr. Williams in Orange, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
CalOptima
Centene
Crown Cork and Seal Company
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Hoag Memorial Hospital Presbyterian
Other Health Care Provider
St. Joseph Health System (CA)
UnitedHealthcare
View All Insurances
Where is Dr. Williams' office located?
Dr. Mark Williams' Primary Practice
1310 W Stewart Dr Ste 303
Orange, CA 92868
(714) 738-4621
What is Dr. Williams's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Williams's National Provider Identifier (NPI) number is 1780118802.
What common questions do patients ask about Dr. Williams?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Williams
What is Dr. Mark Williams's specialty?
Dr. Williams is a Retina Specialist near Orange, CA. An ophthalmologist specializing in vitreoretinal diseases focuses on diagnosing and treating conditions affecting the vitreous and retina, including issues such as retinal detachment, diabetic retinopathy, and macular degeneration. This specialist employs advanced medical and surgical techniques to manage these complex eye conditions. Contact Dr. Williams to book an appointment today.
Is this Dr. Mark Williams affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Williams is affiliated with UCI Medical Center which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Retina Specialist?
Explore Retina Specialist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Mark Williams accepting new patients in Orange, CA?
Yes, Dr. Mark Williams is accepting new patients at this time.
Does Dr. Mark Williams offer online booking?
Please contact Dr. Williams's office at (714) 738-4621 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Mark Williams?
Please contact Dr. Williams's office at (714) 738-4621 for information regarding telehealth appointment availability or for scheduling assistance.
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