
37 Years of Experience
Accepting patients
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 Medicaid, Medicare, Aetna, Cigna 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 and 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, and 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 an Ophthalmologist like Dr. Drinnan typically 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. Learn more about our claims-based healthcare methodology.
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:
- Age-Related Farsightedness
- Refractive Errors
- Presbyopia
- Aging Eyes
- Difficulty Reading Up Close
ICD-10 Codes:
- H524: Presbyopia
Also known as:
- Primary Open-Angle Glaucoma
- Glaucoma
- Chronic Open-Angle Glaucoma
- Wide-Angle Glaucoma
- POAG
ICD-10 Codes:
- H401131: Primary open-angle glaucoma, bilateral, mild stage
Also known as:
- Type 2 Diabetes
- Diabetes Type 2
- Type 2 diabetes
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
ICD-10 Codes:
- E119: Type 2 diabetes mellitus without complications
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
What procedures does an Ophthalmologist like Dr. Drinnan typically 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. Learn more about our claims-based healthcare methodology.
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 Healthcare
BCBS Unspecified
Blue Shield of California
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Medicaid
Medicare
Sutter Health
UnitedHealth Group
Unknown
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
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.
What does an Ophthalmologist do?
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.
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
When to see an Ophthalmologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Ophthalmologist. 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 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?
Please contact Dr. Drinnan's office at (650) 342-7474 for information about online booking, telehealth, or to schedule an appointment.
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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