
30 Years of Experience
Accepting patients
Who is Dr. Karalekas, Ophthalmologist in Marlborough, MA?
Dr. Diane Karalekas, MD is an Ophthalmologist, who primarily practices in Marlborough, MA. She has been practicing for over 30 years and is board certified. Dr. Karalekas graduated from Jawaharlal Institute of Post Graduate Medicine Research, Pondicherry University and completed her residency at Northwestern Mem Hosp, Ophthalmology St Vincent'S Hsp & M C-Ny, Flexible Or Transitional Year. Dr. Karalekas is fluent in English, French, and Greek, Modern (1453-), and is currently seeing new patients. Dr. Karalekas’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Karalekas’s office at (508) 481-0815.
Where did Dr. Karalekas go to medical school and complete their residency?
Residency: Northwestern Mem Hosp, Ophthalmology St Vincent'S Hsp & M C-Ny, Flexible Or Transitional Year | Northwestern Memorial Hospital | Abbott-Northwestern Hospital Program
Medical School: Jawaharlal Institute of Post Graduate Medicine Research, Pondicherry University
Is Dr. Karalekas board certified as an Ophthalmologist?
Yes, Dr. Diane Karalekas, MD is board certified by the American Board of Ophthalmology
What languages does Dr. Karalekas speak?
Dr. Karalekas and their clinical team can communicate with patients in the following languages:
English
French
Greek, Modern (1453-)
What conditions does an Ophthalmologist like Dr. Karalekas typically treat?
As an Ophthalmologist, Dr. Karalekas 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. Karalekas. 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
- Other Secondary Cataract
- Combined Age-Related Cataract
- Cloudy lens
- Lens clouding
- Eye cloudiness
- Cataract from another condition
- Complicated cataract
- Acquired cataract
- Mixed Type Cataract
- Multiple Cataract Types
ICD-10 Codes:
- H25813: Combined forms of age-related cataract, bilateral
- H25812: Combined forms of age-related cataract, left eye
- H26491: Other secondary cataract, right eye
- H25811: Combined forms of age-related cataract, right eye
Also known as:
- Borderline Open-Angle Glaucoma
- Ocular Hypertension
- Glaucoma
- Early Open-Angle Glaucoma
- Open-angle glaucoma suspect
- Risk of Open-Angle Glaucoma
- High Eye Pressure
- Elevated Intraocular Pressure
- Eye pressure problem
ICD-10 Codes:
- H40013: Open angle with borderline findings, low risk, bilateral
- H40053: Ocular hypertension, bilateral
What procedures does an Ophthalmologist like Dr. Karalekas typically perform?
As an Ophthalmologist, procedures performed by Dr. Diane Karalekas 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
Please contact Dr. Karalekas' office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Karalekas accept my insurance?
Dr. Karalekas accepts most major insurance plans. Important: Please call our office at (508) 481-0815 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Karalekas accept in Marlborough, MA?
Dr. Karalekas in Marlborough, MA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Blue Cross Blue Shield of Massachusetts
Medicare
Molina Healthcare
Network Health
Other Provider Networks
UMR Administered Payer
Unknown
Volusia Health Network
View All Insurances
Where is Dr. Karalekas' office located?
Dr. Diane Karalekas' Primary Practice
65 Boston Post Rd W
Marlborough, MA 01752
(508) 481-0815
What is Dr. Karalekas's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Karalekas's National Provider Identifier (NPI) number is 1992742944.
What common questions do patients ask about Dr. Karalekas?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Karalekas
What is Dr. Diane Karalekas's specialty?
Dr. Karalekas is a Ophthalmologist near Marlborough, MA.
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. Diane Karalekas affiliated with a ranked Castle Connolly Top Hospital?
No, Karalekas is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Umass Memorial Health - Marlborough Hospital. Castle Connolly Top Hospitals 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 Diane Karalekas accepting new patients in Marlborough, MA?
Yes, Dr. Diane Karalekas is accepting new patients at this time.
Does Dr. Diane Karalekas offer online booking?
Please contact Dr. Karalekas's office at (508) 481-0815 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Diane Karalekas?
Please contact Dr. Karalekas's office at (508) 481-0815 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Diane Karalekas have?
Dr. Diane Karalekas is certified by the American Board of Ophthalmology.
Other Ophthalmologist Near Marlborough, MA

Ophthalmologist
Dr. Susan Yeomans, MD is an Ophthalmologist, who primarily practices in Marlborough, MA. She is board certified.
Marlborough, MA
DL
Ophthalmologist
Dr. Dan Liu is an Ophthalmologist, who primarily practices in Marlborough, MA with 2 additional practice locations.
Marlborough, MA
GV
Ophthalmologist
Dr. Gisela Velez, MD is an Ophthalmologist, who primarily practices in Ayer, MA with 1 additional practice location. She is board certified.
Ayer, MA