Summary

Dr. William Dieck is a board-certified ophthalmologist who also practices internal medicine, bringing over four decades of medical expertise to patient care. He completed his medical education at New York Medical College and went on to finish his residency training at Westchester Medical Center. With 43 years of experience treating patients, Dr. Dieck provides comprehensive eye care and general medical services. He is fluent in both English and Spanish, allowing him to serve a diverse patient population.

Dr. Dieck practices at Northern Westchester Hospital in Mount Kisco and Phelps Hospital in Sleepy Hollow, New York. His ophthalmology practice focuses on treating cataracts and various forms of glaucoma, including open-angle glaucoma. He performs comprehensive eye exams, dilated eye examinations, and tonometry to measure eye pressure. Patients have given him an average rating of 4.0 on Vitals, reflecting their confidence in his care.

Overview based on verified provider data

Quick Facts

  • 4
  • 43 years of experience
  • 36 insurance plans accepted
  • speaks English, Spanish
  • Westchester Medical Center
  • 7 written reviews
  • 2 specialties
  • 13 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 2 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr William Brian Dieck has 2 locations

Northern Westchester Hospital

400 E Main StMount Kisco, NY 10549

Phelps Hospital

701 N BroadwaySleepy Hollow, NY 10591

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Dr William Brian DieckDr. Steven Vale, MDDr. Sandra C Belmont, ODDr. Sing Your Li, MD
OphthalmologyOphthalmologyOphthalmologyOphthalmology
Accepts New Patients Accepts New Patients Accepts New Patients
4.4 
43 Years of Experience 38 Years of Experience 47 Years of Experience 19 Years of Experience
No Virtual Visit Option No Virtual Visit Option Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English Speaks English Speaks English
Mount Kisco , NYScranton , PANew York , NYBellmore , NY
Med School: New York Medical College Med School: Medical College Of Pennsylvania Med School: Suny Downstate Medical Center College Of Medicine Med School: Weill Cornell Medical College
Current Profile
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Insurance Plans Accepted by Dr William Brian Dieck

  • 1199SEIU
  • AARP
  • Aetna
  • Aetna - Medicare (Advantage HMO)
  • AmeriGroup
  • Blue Cross Blue Shield
  • CHAMPVA
  • Cigna
  • Cigna-HealthSpring
  • ConnectiCare
  • EmblemHealth
  • Fidelis Care (NY)
  • Fidelis Care (NY) - Medicare (Advantage HMO)
  • Health First Health Plans
  • HealthFirst (NY)
  • Humana
  • MagnaCare
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • MetroPlus Health Plan
  • Molina Healthcare
  • MVP Health Care
  • Nippon Life Benefits
  • Optum Health
  • Partners Health Plan
  • STLDentalPlan| LLC
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - Medicare (Advantage HMO)
  • UnitedHealthcare Oxford
  • Wellcare

Medical Specialties

Dr William Brian Dieck has the following 2 specialties

Specialty Expertise

Dr William Brian Dieck has the following 13 areas of expertise

  • Blindness
  • Cataract
  • Cataract Surgery
  • Contact lenses
  • Diabetic Retinopathy
  • Eye Exam
  • Eye Pain
  • Glaucoma
  • Internal Medicine
  • Lasik Surgery
  • Lens Implants (Intraocular Lens Implantation)
  • Macular Degeneration
  • Vision Issues

Certifications, License, & Education

43 Years Experience

Education & Training

Residency

Completed their residency at Westchester Medical Center.

Medical School

Graduated from New York Medical College in 1983.

NPI Number

Dr Dieck's NPI number is 1316051360.

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Frequently Asked Questions

Which hospitals is Dr William Dieck affiliated with?
Dr William Dieck is affiliated with Phelps Hospital.
Does Dr William Dieck accept my insurance?
You can see the insurance plans that Dr William Dieck accepts on their Vitals profile.
Is Dr William Dieck accepting new patients?
Dr William Dieck has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
What languages does Dr William Dieck speak?
Dr William Dieck speaks English and Spanish.
Where is Dr William Dieck's office located?
Dr William Dieck's office is located at 400 E Main St, Mount Kisco, NY, 10549.

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