43 Years of Experience
Accepting patients
Who is Dr. Dagianis, Ophthalmologist in Nashua, NH?
Dr. John Dagianis, MD is an Ophthalmologist, who primarily practices in Nashua, NH. He has been practicing for over 43 years and is board certified by the American Board of Ophthalmology. Dr. Dagianis graduated from University Of Cincinnati College Of Medicine and completed his residency at Thos Jefferson Univ Hosp, Ophthalmology; Albany Med Ctr Hosp, Internal Medicine. Dr. Dagianis is fluent in English, French, Greek, Modern (1453-), Portuguese, and Spanish, and is currently seeing new patients. Dr. Dagianis’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Dagianis’s office at (603) 672-8800.
Where did Dr. Dagianis go to medical school and complete their residency?
Residency: Thos Jefferson Univ Hosp, Ophthalmology; Albany Med Ctr Hosp, Internal Medicine | Jefferson Wills Eye Hospital | Thomas Jefferson University Hospital Program
Medical School: University of Cincinnati Coll of Med, Cincinnati Oh | University Of Cincinnati College Of Medicine
Is Dr. Dagianis board certified in Ophthalmologist?
Yes, Dr. John Dagianis, MD is board certified by the American Board of Ophthalmology
What languages does Dr. Dagianis speak?
Dr. Dagianis and their clinical team can communicate with patients in the following languages:
English
French
Greek, Modern (1453-)
Portuguese
Spanish
What conditions does Dr. Dagianis treat?
As a Ophthalmologist, Dr. Dagianis 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. Dagianis. 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
- Glaucoma
- Chronic Open-Angle Glaucoma
- Wide-Angle Glaucoma
- POAG
- Early Open-Angle Glaucoma
- Open-angle glaucoma suspect
- Risk of Open-Angle Glaucoma
ICD-10 Codes:
- H401131: Primary open-angle glaucoma, bilateral, mild stage
- H40023: Open angle with borderline findings, high risk, bilateral
- H40013: Open angle with borderline findings, low risk, bilateral
- H401132: Primary open-angle glaucoma, bilateral, moderate stage
Also known as:
- Age-Related Farsightedness
- Nearsightedness
- Astigmatism
- Farsightedness
- Refractive Errors
- Farsightedness (Hyperopia)
- Presbyopia
- Aging Eyes
- Difficulty Reading Up Close
- Myopia
- Difficulty Seeing Far Away
- Blurry Distance Vision
- Irregular Cornea
- Blurred Vision
- Distorted Vision
- Hyperopia
- Long-sightedness
- Hypermetropia
ICD-10 Codes:
- H524: Presbyopia
- H5213: Myopia, bilateral
- H52223: Regular astigmatism, bilateral
- H5203: Hypermetropia, bilateral
Also known as:
- Cataract
- Cloudy lens
- Lens clouding
- Eye cloudiness
ICD-10 Codes:
- H2513: Age-related nuclear cataract, bilateral
- H2511: Age-related nuclear cataract, right eye
- H2512: Age-related nuclear cataract, left eye
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:
- 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:
- 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:
- Dry Eye Syndrome
- Tears
- Dry Eyes
- Keratoconjunctivitis Sicca
- Ocular Dryness
- Chronic Dry Eye
ICD-10 Codes:
- H04121: Dry eye syndrome of right lacrimal gland
- H04122: Dry eye syndrome of left lacrimal gland
Also known as:
- Eye and Vision Examination with Abnormal Findings
- Eye Disease
- Vision Impairment and Blindness
- Eye Exam with Issues
- Abnormal Vision Test
- Eye Doctor Follow-up
ICD-10 Codes:
- Z0101: Encounter for examination of eyes and vision with abnormal findings
Also known as:
- Macular Pucker
- Retinal Disorder
- Epiretinal Membrane
- Cellophane Maculopathy
- Macular Wrinkle
- Retinal Scar
ICD-10 Codes:
- H35373: Puckering of macula, bilateral
Also known as:
- Routine Eye and Vision Exam (Normal Findings)
- Eye Disease
- Vision Impairment and Blindness
- Annual eye checkup
- Vision screening, no issues
- Eye health exam, all clear
ICD-10 Codes:
- Z0100: Encounter for examination of eyes and vision without abnormal findings
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
Which procedures does Dr. Dagianis perform as a Ophthalmologist?
As a Ophthalmologist, procedures performed by an Dr. John Dagianis 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. Dagianis' office.
Does Dr. Dagianis accept my insurance?
Dr. Dagianis accepts most major insurance plans. Important: Please call our office at (603) 672-8800 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Dagianis accept in Nashua, NH?
Dr. Dagianis in Nashua, NH accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Community Health Plan of Washington
CVS Health (formerly Aetna)
Express Scripts
EyeMed
Health Plans
Humana
Martin's Point
Medicare
Point32Health
View All Insurances
Where is Dr. Dagianis' office located?
What is Dr. Dagianis's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Dagianis's National Provider Identifier (NPI) number is 1972508026.
What common questions do patients ask about Dr. Dagianis?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Dagianis
What is Dr. John Dagianis's specialty?
Dr. Dagianis is a Ophthalmologist near Nashua, NH. 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. Dagianis to book an appointment today.
Is this Dr. John Dagianis affiliated with a ranked Castle Connolly Top Hospital?
No, Dagianis is not affiliated with a Castle Connolly Top 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
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 John Dagianis accepting new patients in Nashua, NH?
Yes, Dr. John Dagianis is accepting new patients at this time.
Does Dr. John Dagianis offer online booking?
Please contact Dr. Dagianis's office at (603) 672-8800 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Dagianis?
Please contact Dr. Dagianis's office at (603) 672-8800 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. John Dagianis have?
Dr. John Dagianis is certified by the American Board of Ophthalmology.
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