Accepting patients
Who is Dr. Hahn, Ophthalmologist in Sterling, IL?
Dr. John Hahn, MD is an Ophthalmologist, who primarily practices in Sterling, IL with 2 additional practice locations. He is board certified by the American Board of Ophthalmology. 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, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hahn’s office at (815) 625-4790.
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 in 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 Dr. Hahn treat?
As a 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.
Also known as:
- Cataract
- Other Secondary Cataract
- Cloudy lens
- Lens clouding
- Eye cloudiness
- Cataract from another condition
- Complicated cataract
- Acquired cataract
ICD-10 Codes:
- H2513: Age-related nuclear cataract, bilateral
- H2512: Age-related nuclear cataract, left eye
- H2511: Age-related nuclear cataract, right eye
- H26491: Other secondary cataract, right eye
- H26493: Other secondary cataract, bilateral
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
- Type 2 Diabetes with Diabetic Cataract
- Diabetes Type 2
- Type 2 diabetes
- Cataract
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
- Diabetes-related cataract
- Cloudy lens from diabetes
- Diabetic eye cataract
ICD-10 Codes:
- E119: Type 2 diabetes mellitus without complications
- E1136: Type 2 diabetes mellitus with diabetic cataract
Also known as:
- Primary Open-Angle Glaucoma
- Preglaucoma
- Glaucoma
- Chronic Open-Angle Glaucoma
- Wide-Angle Glaucoma
- POAG
- Early Glaucoma
- Borderline Glaucoma
- Risk of Glaucoma
ICD-10 Codes:
- H401131: Primary open-angle glaucoma, bilateral, mild stage
- H401132: Primary open-angle glaucoma, bilateral, moderate stage
- H40003: Preglaucoma, unspecified, bilateral
Also known as:
- High Cholesterol
- Cholesterol
- Triglycerides
- Hyperlipidemia
- High lipids
- Dyslipidemia
- Hypercholesterolemia
- High blood cholesterol
- Elevated cholesterol
ICD-10 Codes:
- E785: Hyperlipidemia, unspecified
- E7800: Pure hypercholesterolemia, unspecified
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Pre-Procedure Lab Tests
- Pre-op blood work
- Lab tests before surgery
- Pre-treatment lab assessment
ICD-10 Codes:
- Z01812: Encounter for preprocedural laboratory examination
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
Also known as:
- Hypothyroidism
- Congenital hypothyroidism
- Hypothyroidism (Underactive Thyroid)
- Underactive Thyroid
- Low Thyroid Function
ICD-10 Codes:
- E039: Hypothyroidism, unspecified
Also known as:
- Thyroid Disorder
- Thyroid Disease
- Thyroid Problem
- Thyroid Gland Condition
ICD-10 Codes:
- E079: Disorder of thyroid, unspecified
Also known as:
- Dry Eye Syndrome
- Corneal Disorder
- Dry Eye Disease
- Chronic Dry Eye
- Keratoconjunctivitis Sicca
ICD-10 Codes:
- H16223: Keratoconjunctivitis sicca, not specified as Sjogren's, bilateral
Which procedures does Dr. Hahn perform as a Ophthalmologist?
As a Ophthalmologist, procedures performed by an Dr. John Hahn 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. Hahn's office.
Does Dr. Hahn accept my insurance?
Dr. Hahn accepts most major insurance plans. Important: Please call our office at (815) 625-4790 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
All Other Third Party
Corporate Services
CVS Health (formerly Aetna)
Express Scripts
Health Care Service Corporation (HCSC)
Medicare
Molina
Other Health Care Provider
State of Illinois
The Alliance
View All Insurances
Where is Dr. Hahn's office located?
What is Dr. Hahn's NPI number?An 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 a Ophthalmologist near Sterling, IL. 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. Hahn to book an appointment today.
Is this Dr. John Hahn affiliated with a ranked Castle Connolly Top Hospital?
No, Hahn 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 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 at (815) 625-4790 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Hahn?
Please contact Dr. Hahn's office at (815) 625-4790 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. John Hahn have?
Dr. John Hahn is certified by the American Board of Ophthalmology.
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