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Dr. Gregory Gensheimer, MD

Ophthalmologist

Portland, ME

42 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Gensheimer, Ophthalmologist in Portland, ME?

    Dr. Gregory Gensheimer, MD is an Ophthalmologist, who primarily practices in Portland, ME with 2 additional practice locations. He has been practicing for over 42 years and is board certified. Dr. Gensheimer graduated from University of Rochester School of Medicine and Dentistry and completed his residency at Wills Eye Hosp, Ophthalmology; Thos Jefferson Univ Hosp, Flexible Or Transitional Year. Dr. Gensheimer is fluent in English, and is currently seeing new patients. Dr. Gensheimer’s practice accepts Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Gensheimer’s office at (207) 729-7971.

    Where did Dr. Gensheimer go to medical school and complete their residency?

    • Residency: Wills Eye Hosp, Ophthalmology; Thos Jefferson Univ Hosp, Flexible Or Transitional Year

    • Medical School: University of Rochester Sch of Med & Dentistry, Rochester Ny | University of Rochester School of Medicine and Dentistry

    Is Dr. Gensheimer board certified as an Ophthalmologist?

    Yes, Dr. Gregory Gensheimer, MD is board certified by the American Board of Ophthalmology

    What languages does Dr. Gensheimer speak?

    Dr. Gensheimer and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does an Ophthalmologist like Dr. Gensheimer typically treat?

    As an Ophthalmologist, Dr. Gensheimer 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. Gensheimer. 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:

    • Primary Open-Angle Glaucoma
    • Borderline Open-Angle Glaucoma
    • Ocular Hypertension
    • Glaucoma
    • Chronic Open-Angle Glaucoma
    • Wide-Angle Glaucoma
    • POAG
    • 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:

    • H401132: Primary open-angle glaucoma, bilateral, moderate stage
    • H401133: Primary open-angle glaucoma, bilateral, severe stage
    • H40023: Open angle with borderline findings, high risk, bilateral
    • H40053: Ocular hypertension, 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

    Also known as:

    • Cataract
    • Cloudy lens
    • Lens clouding
    • Eye cloudiness

    ICD-10 Codes:

    • H25813: Combined forms of age-related cataract, bilateral

    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

    What procedures does an Ophthalmologist like Dr. Gensheimer typically perform?

    As an Ophthalmologist, Dr. Gensheimer 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. Gensheimer. 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:

    • Laser Surgery for Secondary Cataract
    • YAG Laser Capsulotomy
    • Posterior Capsulotomy
    • Secondary Cataract Removal
    • Laser Eye Surgery

    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)

    Does Dr. Gensheimer accept my insurance?

    Dr. Gensheimer accepts most major insurance plans. Important: Please call our office at (207) 729-7971 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Gensheimer accept in Portland, ME?

    Dr. Gensheimer in Portland, ME accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Federal government of the United States

    • Humana

    • Martin's Point Health Care

    • Medicare

    • Mutual of Omaha

    • Point32Health

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Gensheimer's office located?

    Dr. Gregory Gensheimer's Primary Practice

    22 Bramhall St

    Portland, ME 04102

    (207) 729-7971

    Get Directions

    Dr. Gregory Gensheimer's Practice 2

    8 Mason St

    Brunswick, ME 04011

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    Dr. Gregory Gensheimer's Practice 3

    130 Centre St

    Bath, ME 04530

    Get Directions

    What is Dr. Gensheimer's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Gensheimer's National Provider Identifier (NPI) number is 1740202621.

    What common questions do patients ask about Dr. Gensheimer?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Gensheimer

    What is Dr. Gregory Gensheimer's specialty?

    Dr. Gensheimer is an Ophthalmologist near Portland, ME.

    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 Dr. Gregory Gensheimer affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Gensheimer is affiliated with Mid Coast Hospital, Mainehealth Maine Medical Center Portland 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

    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 Dr. Gregory Gensheimer accepting new patients in Portland, ME?

    Yes, Dr. Gregory Gensheimer is accepting new patients at this time.

    Does Dr. Gregory Gensheimer offer online booking?

    Please contact Dr. Gensheimer's office at (207) 729-7971 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Gregory Gensheimer?

    Please contact Dr. Gensheimer's office at (207) 729-7971 to schedule an appointment.

    Where is Dr. Gensheimer's office located?

    Dr. Gensheimer's offices are located in Portland, ME, Brunswick, ME, and Bath, ME.

    Which board certifications does Dr. Gregory Gensheimer have?

    Dr. Gregory Gensheimer is certified by the American Board of Ophthalmology.