MK
33 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Korenfeld, Ophthalmologist in Washington, MO?
Dr. Michael Korenfeld, MD is an Ophthalmologist, who primarily practices in Washington, MO. He has been practicing for over 33 years and is board certified. Dr. Korenfeld completed his residency at Univ Hosps & Clinics, Ophthalmology; St Johns Mercy Med Ctr, Flexible Or Transitional Year. Dr. Korenfeld is fluent in English and French, and is currently seeing new patients. Dr. Korenfeld’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Korenfeld’s office at (636) 390-3999.
Where did Dr. Korenfeld go to medical school and complete their residency?
Residency: Univ Hosps & Clinics, Ophthalmology; St Johns Mercy Med Ctr, Flexible Or Transitional Year
Medical School: Washington University School of Medicine, St. Louis
Is Dr. Korenfeld board certified as an Ophthalmologist?
Yes, Dr. Michael Korenfeld, MD is board certified by the American Board of Ophthalmology
What languages does Dr. Korenfeld speak?
Dr. Korenfeld and their clinical team can communicate with patients in the following languages:
English
French
What conditions does an Ophthalmologist like Dr. Korenfeld typically treat?
As an Ophthalmologist, Dr. Korenfeld 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. Korenfeld. 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
- Combined Age-Related Cataract
- Cloudy lens
- Lens clouding
- Eye cloudiness
- Mixed Type Cataract
- Multiple Cataract Types
ICD-10 Codes:
- H25813: Combined forms of age-related cataract, bilateral
- H25811: Combined forms of age-related cataract, right eye
- H25812: Combined forms of age-related cataract, left eye
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 Eye Damage
- Retinal Disorder
- Hypertensive Retinopathy
- Eye Damage from Hypertension
- High Blood Pressure Retinopathy
ICD-10 Codes:
- H35033: Hypertensive retinopathy, bilateral
Also known as:
- Astigmatism
- Refractive Errors
- Irregular Cornea
- Blurred Vision
- Distorted Vision
ICD-10 Codes:
- H52223: Regular astigmatism, bilateral
Also known as:
- Borderline Open-Angle Glaucoma
- Glaucoma
- Early Open-Angle Glaucoma
- Open-angle glaucoma suspect
- Risk of Open-Angle Glaucoma
ICD-10 Codes:
- H40023: Open angle with borderline findings, high risk, bilateral
What procedures does an Ophthalmologist like Dr. Korenfeld typically perform?
As an Ophthalmologist, Dr. Korenfeld 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. Korenfeld. 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
Also known as:
- Goniotomy (Glaucoma Surgery)
- Goniotomy Procedure
- Angle-Opening Glaucoma Surgery
- Congenital Glaucoma Surgery
CPT Codes:
- 65820: Goniotomy
Also known as:
- Upper Eyelid Lift (Blepharoplasty)
- Eyelid Lesion Removal
- Plastic and Cosmetic Surgery
- Droopy Eyelid Surgery
- Upper Eyelid Reduction
- Cosmetic Eyelid Surgery
- Eyelid growth removal
- Eyelid bump excision
- Eyelid skin lesion surgery
CPT Codes:
- 15823: Blepharoplasty, upper eyelid; with excessive skin weighting down lid
- 67840: Excision of lesion of eyelid (except chalazion) without closure or with simple direct closure
Also known as:
- Tear Duct Probing
- Lacrimal Duct Probing
- Tear Duct Irrigation
- Unblocking Tear Duct
CPT Codes:
- 68840: Probing of lacrimal canaliculi, with or without irrigation
Does Dr. Korenfeld accept my insurance?
Dr. Korenfeld accepts most major insurance plans. Important: Please call our office at (636) 390-3999 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Korenfeld accept in Washington, MO?
Dr. Korenfeld in Washington, MO accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Centene Corporation
Cigna Group
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Essence Healthcare
Humana
Medicare
State of Missouri
UMR Administered Payer
UnitedHealth Group
View All Insurances
Where is Dr. Korenfeld's office located?
Dr. Michael Korenfeld's Primary Practice
901 E 3rd St
Washington, MO 63090
(636) 390-3999
What is Dr. Korenfeld's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Korenfeld's National Provider Identifier (NPI) number is 1174515613.
What common questions do patients ask about Dr. Korenfeld?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Korenfeld
What is Dr. Michael Korenfeld's specialty?
Dr. Korenfeld is a Ophthalmologist near Washington, MO.
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. Michael Korenfeld affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Korenfeld is affiliated with Mercy Hospital Washington 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 Michael Korenfeld accepting new patients in Washington, MO?
Yes, Dr. Michael Korenfeld is accepting new patients at this time.
Does Dr. Michael Korenfeld offer online booking?
Please contact Dr. Korenfeld's office at (636) 390-3999 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Michael Korenfeld?
Please contact Dr. Korenfeld's office at (636) 390-3999 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Michael Korenfeld have?
Dr. Michael Korenfeld is certified by the American Board of Ophthalmology.
Other Ophthalmologist Near Washington, MO

Ophthalmologist
Dr. Steven Shields, MD is an Ophthalmologist, who primarily practices in Chesterfield, MO with 2 additional practice locations. He is board certified.
Chesterfield, MO
FG
Ophthalmologist
Dr. Francisco Garcia-Ferrer, MD is an Ophthalmologist, who primarily practices in Saint Louis, MO with 1 additional practice location. He is board certified.
Saint Louis, MO
HC
Ophthalmologist
Dr. Huiyi Chen, MD is an Ophthalmologist, who primarily practices in Saint Louis, MO with 1 additional practice location.
Saint Louis, MO