
33 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Merritt, Ophthalmologist in Grants Pass, OR?
Dr. Douglas Merritt, MD is an Ophthalmologist, who primarily practices in Grants Pass, OR. He has been practicing for over 33 years and is board certified. Dr. Merritt graduated from University of Texas Medical School, Houston and completed his residency at Univ Of Mn Affil Hosps, Ophthalmology; Christus St Joseph Hosp, Flexible Or Transitional Year. Dr. Merritt is fluent in English and Spanish, and is currently seeing new patients. Dr. Merritt’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Merritt’s office at (541) 476-6636.
Where did Dr. Merritt go to medical school and complete their residency?
Residency: Univ Of Mn Affil Hosps, Ophthalmology; Christus St Joseph Hosp, Flexible Or Transitional Year | University Of Minnesota | University of Minnesota Program
Medical School: U of Tx Med Sch At Houston, Houston Tx | University of Texas Medical School, Houston | University of Texas Medical School, Houston
Is Dr. Merritt board certified as an Ophthalmologist?
Yes, Dr. Douglas Merritt, MD is board certified by the American Board of Ophthalmology
What languages does Dr. Merritt speak?
Dr. Merritt and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does an Ophthalmologist like Dr. Merritt typically treat?
As an Ophthalmologist, Dr. Merritt 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. Merritt. 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:
- 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:
- Age-Related Farsightedness
- Refractive Errors
- Presbyopia
- Aging Eyes
- Difficulty Reading Up Close
ICD-10 Codes:
- H524: Presbyopia
Also known as:
- Cataract
- Cloudy lens
- Lens clouding
- Eye cloudiness
ICD-10 Codes:
- H2513: Age-related nuclear cataract, bilateral
- H25813: Combined forms of age-related cataract, bilateral
Also known as:
- Borderline Open-Angle Glaucoma
- Primary Open-Angle Glaucoma
- Glaucoma
- Early Open-Angle Glaucoma
- Open-angle glaucoma suspect
- Risk of Open-Angle Glaucoma
- Chronic Open-Angle Glaucoma
- Wide-Angle Glaucoma
- POAG
ICD-10 Codes:
- H40013: Open angle with borderline findings, low risk, bilateral
- H401131: Primary open-angle glaucoma, bilateral, mild stage
Also known as:
- Dry Eyes
- Tears
- Dry eye syndrome
- Keratoconjunctivitis sicca
- Ocular dryness
ICD-10 Codes:
- H04123: Dry eye syndrome of bilateral lacrimal glands
What procedures does an Ophthalmologist like Dr. Merritt typically perform?
As an Ophthalmologist, Dr. Merritt 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. Merritt. 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
- Laser Trabeculoplasty
- YAG Laser Capsulotomy
- Posterior Capsulotomy
- Secondary Cataract Removal
- Laser Eye Surgery
- Glaucoma laser surgery
- Laser eye treatment for glaucoma
- Trabeculoplasty
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)
- 65855: Trabeculoplasty by laser surgery
Does Dr. Merritt accept my insurance?
Dr. Merritt accepts most major insurance plans. Important: Please call our office at (541) 476-6636 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Merritt accept in Grants Pass, OR?
Dr. Merritt in Grants Pass, OR accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Atrio Holding Company
Blue Cross Blue Shield of Michigan
Cambia Health Solutions
Medicare
Unknown
View All Insurances
Where is Dr. Merritt's office located?
Dr. Douglas Merritt's Primary Practice
1226 NE 7th St
Grants Pass, OR 97526
(541) 476-6636
What is Dr. Merritt's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Merritt's National Provider Identifier (NPI) number is 1093718322.
What common questions do patients ask about Dr. Merritt?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Merritt
What is Dr. Douglas Merritt's specialty?
Dr. Merritt is a Ophthalmologist near Grants Pass, OR.
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. Douglas Merritt affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Merritt is affiliated with Asante Three Rivers Medical Center which is a Castle Connolly Top Hospital. 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 Douglas Merritt accepting new patients in Grants Pass, OR?
Yes, Dr. Douglas Merritt is accepting new patients at this time.
Does Dr. Douglas Merritt offer online booking?
Please contact Dr. Merritt's office at (541) 476-6636 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Douglas Merritt?
Please contact Dr. Merritt's office at (541) 476-6636 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Douglas Merritt have?
Dr. Douglas Merritt is certified by the American Board of Ophthalmology.
Other Ophthalmologist Near Grants Pass, OR
MG
Ophthalmologist
Dr. Matthew Guymon, DO is an Ophthalmologist, who primarily practices in Grants Pass, OR.
Grants Pass, OR
LL
Ophthalmologist
Dr. Lisa Leishman, MD is an Ophthalmologist, who primarily practices in Medford, OR with 1 additional practice location.
Medford, OR

Ophthalmologist
Dr. Adam Aufderheide, MD is an Ophthalmologist, who primarily practices in Medford, OR with 2 additional practice locations.
Medford, OR