37 Years of Experience
Accepting patients
Online booking
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Drinnan, Ophthalmologist in San Mateo, CA?
Dr. Michael Drinnan, MD is an Ophthalmologist, who primarily practices in San Mateo, CA. He has been practicing for over 37 years and is board certified. Dr. Drinnan completed his residency at Stanford Univ Hosp, Ophthalmology. He is a member of the American Academy of Ophthalmology, AMERICAN ACADEMY OF OPHTHALMOLOGY, and AMA. Dr. Drinnan is fluent in English and French, and is currently seeing new patients. Dr. Drinnan’s practice accepts Cigna, Medicaid, Medicare, UnitedHealthcare, Aetna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Drinnan’s office at (650) 342-7474.
What are Areas of Expertise for Dr. Drinnan?
Dr. Michael Drinnan, MD is a highly-rated, board-certified Ophthalmologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Drinnan empowers patients to confidently navigate their health journey, specializing in Cataract Surgery, Diabetic Eye Disease/Retinopathy, Intraocular Lens, LASIK-Refractive Surgery, or comprehensive wellness support. Serving the San Mateo/CA community, Dr. Drinnan is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Drinnan go to medical school and complete their residency?
Residency: Stanford Univ Hosp, Ophthalmology | Stanford University Medical Center
Medical School: Mc Gill Univ- Fac Of Med- Montreal- Que- Canada
Is Dr. Drinnan board certified as an Ophthalmologist?
Yes, Dr. Michael Drinnan, MD is board certified by the American Board of Ophthalmology
What languages does Dr. Drinnan speak?
Dr. Drinnan and their clinical team can communicate with patients in the following languages:
English
French
What conditions does Dr. Drinnan treat?
As an Ophthalmologist, Dr. Drinnan 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. Drinnan. 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:
- Cataract
- Other Secondary Cataract
- Secondary Cataract
- Cloudy lens
- Lens clouding
- Eye cloudiness
- Cataract from another condition
- Complicated cataract
- Acquired cataract
- After-Cataract
- Posterior Capsule Opacification
- PCO
ICD-10 Codes:
- H2513: Age-related nuclear cataract, bilateral
- H2511: Age-related nuclear cataract, right eye
- H2512: Age-related nuclear cataract, left eye
- H26493: Other secondary cataract, bilateral
- H26491: Other secondary cataract, right eye
- H26492: Other secondary cataract, left eye
Also known as:
- Age-Related Farsightedness
- Nearsightedness
- Refractive Errors
- Presbyopia
- Aging Eyes
- Difficulty Reading Up Close
- Myopia
- Difficulty Seeing Far Away
- Blurry Distance Vision
ICD-10 Codes:
- H524: Presbyopia
- H5213: Myopia, bilateral
Also known as:
- Primary Open-Angle Glaucoma
- Preglaucoma
- Glaucoma
- Chronic Open-Angle Glaucoma
- Wide-Angle Glaucoma
- POAG
- Early Glaucoma
- Borderline Glaucoma
- Risk of Glaucoma
ICD-10 Codes:
- H401131: Primary open-angle glaucoma, bilateral, mild stage
- H40003: Preglaucoma, unspecified, bilateral
- H401132: Primary open-angle glaucoma, bilateral, moderate stage
- H401121: Primary open-angle glaucoma, left eye, mild stage
Also known as:
- Type 2 Diabetes
- Type 2 Diabetes with Diabetic Cataract
- Diabetes Type 2
- Type 2 diabetes
- Cataract
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
- Diabetes-related cataract
- Cloudy lens from diabetes
- Diabetic eye cataract
ICD-10 Codes:
- E119: Type 2 diabetes mellitus without complications
- E1136: Type 2 diabetes mellitus with diabetic cataract
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:
- Dry Macular Degeneration
- Macular Drusen
- Macular Degeneration
- Dry AMD
- Atrophic Macular Degeneration
- Age-related Macular Degeneration (Dry)
- Retinal Drusen
- Yellow Spots on Retina
- Age-Related Macular Drusen
- Drusen in Eye
ICD-10 Codes:
- H353132: Nonexudative age-related macular degeneration, bilateral, intermediate dry stage
- H35363: Drusen (degenerative) of macula, bilateral
Also known as:
- Blepharitis
- Eyelid Disorder
- Inflamed eyelids
- Eyelid margin inflammation
- Crusty eyelids
- Eyelid irritation
ICD-10 Codes:
- H0100A: Unspecified blepharitis right eye, upper and lower eyelids
Also known as:
- Strands and floaters in the eye's gel
- Eye Disease
- Eye floaters
- Vitreous opacities
- Vitreous membranes
ICD-10 Codes:
- H43393: Other vitreous opacities, bilateral
Also known as:
- Dry Eyes
- Tears
- Dry eye syndrome
- Keratoconjunctivitis sicca
- Ocular dryness
ICD-10 Codes:
- H04123: Dry eye syndrome of bilateral lacrimal glands
What procedures does Dr. Drinnan perform?
As an Ophthalmologist, Dr. Drinnan 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. Drinnan. 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:
- Cataract Removal with Lens Implant
- Extracapsular cataract extraction
- Phacoemulsification
- IOL implantation
CPT Codes:
- 66984: Extracapsular cataract removal with insertion of intraocular lens prosthesis (1 stage procedure), manual or mechanical technique (eg, irrigation and aspiration or phacoemulsification); without endoscopic cyclophotocoagulation
Also known as:
- Laser Surgery for Secondary Cataract
- Laser Trabeculoplasty
- YAG Laser Capsulotomy
- Posterior Capsulotomy
- Secondary Cataract Removal
- Laser Eye Surgery
- Glaucoma laser surgery
- Laser eye treatment for glaucoma
- Trabeculoplasty
CPT Codes:
- 66821: Discission of secondary membranous cataract (opacified posterior lens capsule and/or anterior hyaloid); laser surgery (eg, YAG laser) (1 or more stages)
- 65855: Trabeculoplasty by laser surgery
Also known as:
- Complex Cataract Removal with Lens Implant
- Advanced Cataract Surgery
- Phacoemulsification with IOL
- Complex Extracapsular Cataract Extraction
CPT Codes:
- 66982: Extracapsular cataract removal with insertion of intraocular lens prosthesis (1-stage procedure), manual or mechanical technique (eg, irrigation and aspiration or phacoemulsification), complex, requiring devices or techniques not generally used in routine cataract surgery (eg, iris expansion device, suture support for intraocular lens, or primary posterior capsulorrhexis) or performed on patients in the amblyogenic developmental stage; without endoscopic cyclophotocoagulation
Does Dr. Drinnan accept my insurance?
Dr. Drinnan accepts most major insurance plans. Important: Please call our office at (650) 342-7474 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Drinnan accept in San Mateo, CA?
Dr. Drinnan in San Mateo, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Alignment Health Plan
Alliant Health Plans
BCBS Unspecified
Blue Shield of California
Elevance Health Inc. (formerly Anthem)
Medicare
Presbyterian Health Plan
State of Tennessee
Sutter Health
UnitedHealthcare
View All Insurances
Where is Dr. Drinnan's office located?
Dr. Michael Drinnan's Primary Practice
101 S San Mateo Dr Ste 310
San Mateo, CA 94401
(650) 342-7474
Would you like to schedule an appointment with Dr. Michael Drinnan?
Dr. Drinnan has appointments available at his San Mateo, CA office. Please select a date and time below.
Recognitions
Memberships & Associations
American Academy of Ophthalmology
Fellow
AMERICAN ACADEMY OF OPHTHALMOLOGY
Member
AMA
Member
What is Dr. Drinnan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Drinnan's National Provider Identifier (NPI) number is 1609883024.
What common questions do patients ask about Dr. Drinnan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Drinnan
What is Dr. Michael Drinnan's specialty?
Dr. Drinnan is a Ophthalmologist near San Mateo, 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. Drinnan to book an appointment today.
Is this Dr. Michael Drinnan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Drinnan is affiliated with Mills-Peninsula 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 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 Michael Drinnan accepting new patients in San Mateo, CA?
Yes, Dr. Michael Drinnan is accepting new patients at this time.
Does Dr. Michael Drinnan offer online booking?
Yes, you can use online booking to schedule an appointment with Dr. Drinnan, or call (650) 342-7474 for more information.
How can I make an appointment with Michael Drinnan?
Please contact Dr. Drinnan's office at (650) 342-7474 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Michael Drinnan have?
Dr. Michael Drinnan is certified by the American Board of Ophthalmology.
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