
20 Years of Experience
Accepting patients
Who is Dr. Callahan, Ophthalmologist in Hershey, PA?
Dr. Christine Callahan, MD is an Ophthalmologist, who primarily practices in Hershey, PA. She has been practicing for over 20 years and is board certified. Dr. Callahan completed her residency at Penn St U Hp-M S Hershey Mc, Ophthalmology; Penn St U Hp-M S Hershey Mc, Internal Medicine. Dr. Callahan is fluent in English, and is currently seeing new patients. Dr. Callahan’s practice accepts Medicare, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Callahan’s office.
What are Areas of Expertise for Dr. Callahan?
Dr. Christine Callahan, MD is a highly-rated, board-certified Ophthalmologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Callahan empowers patients to confidently navigate their health journey, specializing in Cataract Surgery, Glaucoma, and comprehensive wellness support. Serving the Hershey, PA community, Dr. Callahan is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Callahan go to medical school and complete their residency?
Residency: Penn St U Hp-M S Hershey Mc, Ophthalmology; Penn St U Hp-M S Hershey Mc, Internal Medicine
Medical School: Pa State Univ Coll Of Med- Hershey Pa
Is Dr. Callahan board certified as an Ophthalmologist?
Yes, Dr. Christine Callahan, MD is board certified by the American Board of Ophthalmology
What languages does Dr. Callahan speak?
Dr. Callahan and their clinical team can communicate with patients in the following languages:
English
What conditions does an Ophthalmologist like Dr. Callahan typically treat?
As an Ophthalmologist, Dr. Callahan 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. Callahan. 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:
- H2512: Age-related nuclear cataract, left eye
- H2511: Age-related nuclear cataract, right eye
Also known as:
- Primary Open-Angle Glaucoma
- Ocular Hypertension
- Glaucoma
- Chronic Open-Angle Glaucoma
- Wide-Angle Glaucoma
- POAG
- High Eye Pressure
- Elevated Intraocular Pressure
- Eye pressure problem
ICD-10 Codes:
- H401133: Primary open-angle glaucoma, bilateral, severe stage
- H40053: Ocular hypertension, bilateral
Also known as:
- Sense Organ Surgery Aftercare
- After Surgery
- Eye surgery aftercare
- Ear surgery aftercare
- Sensory organ recovery
ICD-10 Codes:
- Z48810: Encounter for surgical aftercare following surgery on the sense organs
Also known as:
- High Cholesterol
- Cholesterol
- Triglycerides
- Hyperlipidemia
- High lipids
- Dyslipidemia
ICD-10 Codes:
- E785: Hyperlipidemia, unspecified
Also known as:
- Hypothyroidism
- Congenital hypothyroidism
- Hypothyroidism (Underactive Thyroid)
- Underactive Thyroid
- Low Thyroid Function
ICD-10 Codes:
- E039: Hypothyroidism, unspecified
What procedures does an Ophthalmologist like Dr. Callahan typically perform?
As an Ophthalmologist, Dr. Callahan 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. Callahan. 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:
- 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
Also known as:
- Laser Surgery for Secondary Cataract
- Cataract Surgery with Glaucoma Drainage Device
- Glaucoma Surgery (Trabeculectomy)
- YAG Laser Capsulotomy
- Posterior Capsulotomy
- Secondary Cataract Removal
- Laser Eye Surgery
- Combined Cataract and Glaucoma Surgery
- Phacoemulsification with Aqueous Drainage Device
- IOL Insertion with Glaucoma Stent
- Trabeculectomy
- Glaucoma Filtering Surgery
- Eye Pressure 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)
- 66991: Extracapsular cataract removal with insertion of intraocular lens prosthesis (1 stage procedure), manual or mechanical technique (eg, irrigation and aspiration or phacoemulsification); with insertion of intraocular (eg, trabecular meshwork, supraciliary, suprachoroidal) anterior segment aqueous drainage device, without extraocular reservoir, internal approach, one or more
- 66170: Fistulization of sclera for glaucoma; trabeculectomy ab externo in absence of previous surgery
Also known as:
- Glaucoma Laser Treatment (Cyclophotocoagulation)
- Transscleral cyclophotocoagulation
- Ciliary body laser
- CPC treatment
CPT Codes:
- 66710: Ciliary body destruction; cyclophotocoagulation, transscleral
Also known as:
- Glaucoma Drainage Device Implant
- Aqueous Shunt Surgery
- Glaucoma Shunt with Graft
- Eye Pressure Shunt
CPT Codes:
- 66180: Aqueous shunt to extraocular equatorial plate reservoir, external approach; with graft
Does Dr. Callahan accept my insurance?
Dr. Callahan accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Callahan accept in Hershey, PA?
Dr. Callahan in Hershey, PA 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)
Highmark Health
Humana
Independence Health Group
Jefferson Health
Medicare
Risant Health
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Callahan's office located?
What is Dr. Callahan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Callahan's National Provider Identifier (NPI) number is 1811910581.
What common questions do patients ask about Dr. Callahan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Callahan
What is Dr. Christine Callahan's specialty?
Dr. Callahan is a Ophthalmologist near Hershey, PA.
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 this Dr. Christine Callahan affiliated with a ranked Castle Connolly Top Hospital?
No, Callahan is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Penn State Health Milton S. Hershey Medical Center. 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
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 Christine Callahan accepting new patients in Hershey, PA?
Yes, Dr. Christine Callahan is accepting new patients at this time.
Does Dr. Christine Callahan offer online booking?
Please contact Dr. Callahan's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Christine Callahan?
Please contact Dr. Callahan's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Christine Callahan have?
Dr. Christine Callahan is certified by the American Board of Ophthalmology.
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Connect with DR. Callahan
500 University Dr
Hershey, PA 17033