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Accepting patients
Who is Dr. Johnston, Ophthalmologist in Knoxville, TN?
Dr. Andrew Johnston, MD is an Ophthalmologist, who primarily practices in Knoxville, TN with 2 additional practice locations. He is board certified. Dr. Johnston is fluent in English, and is currently seeing new patients. Dr. Johnston’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Johnston’s office at (865) 584-0905.
What languages does Dr. Johnston speak?
Dr. Johnston and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Johnston treat?
As a Ophthalmologist, Dr. Johnston 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. Johnston. 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
- Combined Age-Related Cataract
- Other Secondary Cataract
- Cloudy lens
- Lens clouding
- Eye cloudiness
- Mixed Type Cataract
- Multiple Cataract Types
- Cataract from another condition
- Complicated cataract
- Acquired cataract
ICD-10 Codes:
- H25812: Combined forms of age-related cataract, left eye
- H25813: Combined forms of age-related cataract, bilateral
- H25811: Combined forms of age-related cataract, right eye
- H2513: Age-related nuclear cataract, bilateral
- H2512: Age-related nuclear cataract, left eye
- H2511: Age-related nuclear cataract, right eye
- H26493: Other secondary cataract, bilateral
- H26491: Other secondary cataract, right eye
Also known as:
- Borderline Open-Angle Glaucoma
- Primary Open-Angle Glaucoma
- Ocular Hypertension
- Glaucoma
- Early Open-Angle Glaucoma
- Open-angle glaucoma suspect
- Risk of Open-Angle Glaucoma
- Chronic Open-Angle Glaucoma
- Wide-Angle Glaucoma
- POAG
- High Eye Pressure
- Elevated Intraocular Pressure
- Eye pressure problem
ICD-10 Codes:
- H40013: Open angle with borderline findings, low risk, bilateral
- H401131: Primary open-angle glaucoma, bilateral, mild stage
- H401132: Primary open-angle glaucoma, bilateral, moderate stage
- H40053: Ocular hypertension, 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
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:
- Baggy Eyelids
- Chalazion
- Eyelid Disorder
- Droopy eyelids
- Excess eyelid skin
- Dermatochalasis
- Meibomian cyst
- Eyelid cyst
- Stye-like bump
ICD-10 Codes:
- H02831: Dermatochalasis of right upper eyelid
- H0015: Chalazion left lower eyelid
- H0014: Chalazion left upper eyelid
Also known as:
- Strands and floaters in the eye's gel
- Aging of the eye's gel
- Eye Disease
- Vitreous Detachment
- Eye floaters
- Vitreous opacities
- Vitreous membranes
- Vitreous syneresis
- Eye gel breakdown
- Vitreous aging
ICD-10 Codes:
- H43393: Other vitreous opacities, bilateral
- H43813: Vitreous degeneration, bilateral
Also known as:
- Macular Drusen
- Macular Degeneration
- Retinal Drusen
- Yellow Spots on Retina
- Age-Related Macular Drusen
- Drusen in Eye
ICD-10 Codes:
- H35363: Drusen (degenerative) of macula, bilateral
Which procedures does Dr. Johnston perform as a Ophthalmologist?
As a Ophthalmologist, procedures performed by an Dr. Andrew Johnston 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. Johnston's office.
Does Dr. Johnston accept my insurance?
Dr. Johnston accepts most major insurance plans. Important: Please call our office at (865) 584-0905 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Johnston accept in Knoxville, TN?
Dr. Johnston in Knoxville, TN accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Amtrust North America
Blue Cross Blue Shield of Michigan
CVS Health (formerly Aetna)
Express Scripts
HealthScope
Medicare
Multiplan
View All Insurances
Where is Dr. Johnston's office located?
Dr. Andrew Johnston's Primary Practice
1124 E Weisgarber Rd Ste 100
Knoxville, TN 37909
(865) 584-0905
Dr. Andrew Johnston's Practice 2
1924 Alcoa Hwy # U-114
Knoxville, TN 37920
(865) 305-6501
What is Dr. Johnston's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Johnston's National Provider Identifier (NPI) number is 1912404922.
What common questions do patients ask about Dr. Johnston?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Johnston
What is Dr. Andrew Johnston's specialty?
Dr. Johnston is a Ophthalmologist near Knoxville, TN. 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. Johnston to book an appointment today.
Is this Dr. Andrew Johnston affiliated with a ranked Castle Connolly Top Hospital?
No, Johnston 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 Andrew Johnston accepting new patients in Knoxville, TN?
Yes, Dr. Andrew Johnston is accepting new patients at this time.
Does Dr. Andrew Johnston offer online booking?
Please contact Dr. Johnston's office at (865) 584-0905 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Andrew Johnston?
Please contact Dr. Johnston's office at (865) 584-0905 for information regarding telehealth appointment availability or for scheduling assistance.
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