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Dr. John Hahn, MD

Dr. John Hahn, MD

Ophthalmologist

Sterling, IL

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Hahn, Ophthalmologist in Sterling, IL?

    Dr. John Hahn, MD is an Ophthalmologist, who primarily practices in Sterling, IL with 1 additional practice location. He is board certified. Dr. Hahn graduated from Northwestern University The Feinberg School of Medicine and completed his residency at Cleveland Clinic Fndn, Ophthalmology; St Luke'S Med Ctr, Internal Medicine. Dr. Hahn is fluent in English, and is currently seeing new patients. Dr. Hahn’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hahn’s office.

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

    • Residency: Cleveland Clinic Fndn, Ophthalmology; St Luke'S Med Ctr, Internal Medicine | Cleveland Clinic Foundation

    • Medical School: Northwestern Uniiversity | Northwestern University The Feinberg School of Medicine

    Is Dr. Hahn board certified as an Ophthalmologist?

    Yes, Dr. John Hahn, MD is board certified by the American Board of Ophthalmology

    What languages does Dr. Hahn speak?

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

    • English

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

    As an Ophthalmologist, Dr. Hahn 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. Hahn. 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:

    • 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:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified

    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:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

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

    As an Ophthalmologist, Dr. Hahn 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. Hahn. 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
    • 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)

    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. Hahn accept my insurance?

    Dr. Hahn accepts most major insurance plans. Important: Please contact the office before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Hahn accept in Sterling, IL?

    Dr. Hahn in Sterling, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Corporate Services

    • CVS Health (formerly Aetna)

    • Health Care Service Corporation

    • Medicare

    • Molina Healthcare

    • Other Health Care Provider

    • State of Illinois

    • The Alliance

    View All Insurances

    Where is Dr. Hahn's office located?

    Dr. John Hahn's Primary Practice

    10 W 3rd St

    Sterling, IL 61081

    Get Directions

    Dr. John Hahn's Practice 2

    100 E Le Fevre Rd

    Sterling, IL 61081

    Get Directions

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

    Dr. Hahn's National Provider Identifier (NPI) number is 1548260961.

    What common questions do patients ask about Dr. Hahn?

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

    What is Dr. John Hahn's specialty?

    Dr. Hahn is an Ophthalmologist near Sterling, IL.

    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. John Hahn affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Hahn is affiliated with Cgh Medical Center, Morrison Community Hospital 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. John Hahn accepting new patients in Sterling, IL?

    Yes, Dr. John Hahn is accepting new patients at this time.

    Does Dr. John Hahn offer online booking?

    Please contact Dr. Hahn's office for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. John Hahn?

    Please contact Dr. Hahn's office to schedule an appointment.

    Where is Dr. Hahn's office located?

    Dr. Hahn's office is located in Sterling, IL.

    Which board certifications does Dr. John Hahn have?

    Dr. John Hahn is certified by the American Board of Ophthalmology.