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 Kaiser Permanente, Medicare 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 a Retina Specialist like Dr. Williams typically 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. Learn more about our claims-based healthcare methodology here.
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
- Age-related Macular Degeneration (Wet)
ICD-10 Codes:
- H353211: Exudative age-related macular degeneration, right eye, with active choroidal neovascularization
- H353221: Exudative age-related macular degeneration, left eye, with active choroidal neovascularization
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
Also known as:
- Other Post-Surgery Condition
- Postoperative State
- Recovery After Surgery
- Surgical Follow-up
ICD-10 Codes:
- Z98890: Other specified postprocedural states
What procedures does a Retina Specialist like Dr. Williams typically 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. Learn more about our claims-based healthcare methodology here.
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:
- 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:
- Vitrectomy Eye Surgery
- Pars Plana Vitrectomy
- Retinal Surgery
- Eye Gel Removal Surgery
CPT Codes:
- 67036: Vitrectomy, mechanical, pars plana approach;
Also known as:
- Retina Repair for Macular Hole or Edema
- Vitrectomy with Endolaser Treatment
- Vitrectomy with Membrane Peel
- Macular Hole Repair
- Diabetic Macular Edema Surgery
- Internal Limiting Membrane Removal
- Pars Plana Vitrectomy with Laser
- Retinal Laser Surgery
- Diabetic Retinopathy Surgery
CPT Codes:
- 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)
- 67040: Vitrectomy, mechanical, pars plana approach; with endolaser panretinal 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
Centene Corporation
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Kaiser Permanente
Other Health Care Provider
St. Joseph Health System (CA)
State of California
UnitedHealth Group
Unknown
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.
What does a Retina Specialist do?
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.
Is this Dr. Mark Williams affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Williams is affiliated with Uci Medical Center, Providence Mission Hospital Mission Viejo which are a Castle Connolly Top Hospitals. 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
When to see a Retina Specialist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Retina Specialist. Explore 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.
<section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>