WM
37 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Mosier, Ophthalmologist in Fullerton, CA?
Dr. William Mosier, MD is an Ophthalmologist, who primarily practices in Fullerton, CA. He has been practicing for over 37 years and is board certified by the American Board of Ophthalmology. Dr. Mosier graduated from University of California and completed his residency at Univ Of Ca Irvine Coll Med, Ophthalmology. Dr. Mosier is fluent in English and Spanish, and is currently seeing new patients. Dr. Mosier’s practice accepts Cigna, Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mosier’s office at (714) 871-2570.
Where did Dr. Mosier go to medical school and complete their residency?
Residency: Univ Of Ca Irvine Coll Med, Ophthalmology | UC Irvine Medical Center
Medical School: University Nac'l Auto De Honduras, Fac De Cien Med, Tegucigalpa, Honduras | University of California | Universidad Nacional Autonoma de Honduras Facultad de Ciencias Medicas | Kharkov National Medical University
Is Dr. Mosier board certified in Ophthalmologist?
Yes, Dr. William Mosier, MD is board certified by the American Board of Ophthalmology
What languages does Dr. Mosier speak?
Dr. Mosier and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Mosier treat?
As a Ophthalmologist, Dr. Mosier 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. Mosier. 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:
- Primary Open-Angle Glaucoma
- Borderline Open-Angle Glaucoma
- Narrow Angle Glaucoma Risk
- Ocular Hypertension
- Low-Tension Glaucoma
- Glaucoma
- Chronic Open-Angle Glaucoma
- Wide-Angle Glaucoma
- POAG
- Early Open-Angle Glaucoma
- Open-angle glaucoma suspect
- Risk of Open-Angle Glaucoma
- Anatomical Narrow Angle
- Angle-Closure Glaucoma Risk
- Eye angle problem
- High Eye Pressure
- Elevated Intraocular Pressure
- Eye pressure problem
- Normal-Tension Glaucoma
- NTG
- Normal Pressure Glaucoma
ICD-10 Codes:
- H401131: Primary open-angle glaucoma, bilateral, mild stage
- H40013: Open angle with borderline findings, low risk, bilateral
- H401132: Primary open-angle glaucoma, bilateral, moderate stage
- H401133: Primary open-angle glaucoma, bilateral, severe stage
- H40033: Anatomical narrow angle, bilateral
- H40053: Ocular hypertension, bilateral
- H401231: Low-tension glaucoma, bilateral, mild stage
Also known as:
- Cataract
- Cloudy lens
- Lens clouding
- Eye cloudiness
ICD-10 Codes:
- H2513: Age-related nuclear cataract, bilateral
- H2512: Age-related nuclear cataract, left eye
- H2511: Age-related nuclear cataract, right eye
Also known as:
- Type 2 Diabetes
- Type 2 Diabetes with Early Diabetic Eye Disease (Both Eyes)
- Diabetes Type 2
- Type 2 diabetes
- Diabetic Eye Problems
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
- Mild Nonproliferative Diabetic Retinopathy Bilateral
- Early Retina Damage in Both Eyes
- Beginning Diabetic Retinopathy in Both Eyes
ICD-10 Codes:
- E119: Type 2 diabetes mellitus without complications
- E113293: Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edema, bilateral
Also known as:
- Intraocular Lens Implant
- Cataract
- Refractive Errors
- IOL Implant
- Artificial Eye Lens
- Cataract Lens Implant
ICD-10 Codes:
- Z961: Presence of intraocular lens
Also known as:
- Age-Related Farsightedness
- Refractive Errors
- Presbyopia
- Aging Eyes
- Difficulty Reading Up Close
ICD-10 Codes:
- H524: Presbyopia
Also known as:
- Macular Pucker
- Retinal Disorder
- Epiretinal Membrane
- Cellophane Maculopathy
- Macular Wrinkle
- Retinal Scar
- Macular Fibrosis
- Wrinkled Retina
ICD-10 Codes:
- H35371: Puckering of macula, right eye
- H35372: Puckering of macula, left eye
- H35373: Puckering of macula, bilateral
Also known as:
- Dry Macular Degeneration
- Macular Degeneration
- Dry AMD
- Atrophic Macular Degeneration
- Age-related Macular Degeneration (Dry)
ICD-10 Codes:
- H353131: Nonexudative age-related macular degeneration, bilateral, early dry stage
Also known as:
- Dry Eyes
- Tears
- Dry eye syndrome
- Keratoconjunctivitis sicca
- Ocular dryness
ICD-10 Codes:
- H04123: Dry eye syndrome of bilateral lacrimal glands
Also known as:
- Aging of the eye's gel
- Eye Disease
- Vitreous Detachment
- Vitreous syneresis
- Eye gel breakdown
- Vitreous aging
ICD-10 Codes:
- H43813: Vitreous degeneration, bilateral
Which procedures does Dr. Mosier perform as a Ophthalmologist?
As a Ophthalmologist, procedures performed by an Dr. William Mosier may include:
- Cataract Removal
- Corneal Specialist Consultation
- Corneal Specialist Follow Up
- Dark Adaptometry
- Diabetes Care - Eye Exam
- Electro-oculography (EOG)
- Electroretinography (ERG)
- Eye Emergency Visit
For detailed information, please contact Dr. Mosier's office.
Does Dr. Mosier accept my insurance?
Dr. Mosier accepts most major insurance plans. Important: Please call our office at (714) 871-2570 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Mosier accept in Fullerton, CA?
Dr. Mosier in Fullerton, 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
Blue Shield of California
CalOptima
Centene
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Medicare
Scan Health Plan
St. Joseph Health System (CA)
UnitedHealthcare
View All Insurances
Where is Dr. Mosier's office located?
What is Dr. Mosier's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Mosier's National Provider Identifier (NPI) number is 1063553378.
What common questions do patients ask about Dr. Mosier?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Mosier
What is Dr. William Mosier's specialty?
Dr. Mosier is a Ophthalmologist near Fullerton, CA. An ophthalmologist possesses the knowledge and professional skills required to deliver comprehensive eye and vision care. These medical doctors are trained to diagnose, monitor, and treat all ocular and visual disorders, whether through medical or surgical interventions. Their expertise encompasses a wide range of issues affecting the eye and its structures, including the eyelids, orbit, and visual pathways. Additionally, ophthalmologists prescribe vision services, such as glasses and contact lenses, to help patients achieve optimal visual health. Contact Dr. Mosier to book an appointment today.
Is this Dr. William Mosier affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Mosier is affiliated with Providence St. Jude Medical Center, Providence St. Jude Medical Center 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
Where can I learn more about Ophthalmologist?
Explore Ophthalmologist 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 William Mosier accepting new patients in Fullerton, CA?
Yes, Dr. William Mosier is accepting new patients at this time.
Does Dr. William Mosier offer online booking?
Please contact Dr. Mosier's office at (714) 871-2570 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with William Mosier?
Please contact Dr. Mosier's office at (714) 871-2570 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. William Mosier have?
Dr. William Mosier is certified by the American Board of Ophthalmology.
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