Summary

Dr. Dawn Williamson is an internal medicine physician who also specializes in emergency medicine. She earned her medical degree from SUNY Downstate Medical Center College of Medicine and brings 35 years of clinical experience to her practice. Dr. Williamson speaks English and has dedicated her career to providing comprehensive care across both inpatient and emergency settings.

Dr. Williamson practices at Mount Sinai South Nassau in Oceanside, New York. She treats patients experiencing abdominal pain and nausea, including those dealing with side effects from cancer treatment. Her emergency medicine expertise includes performing arterial blood gas analysis and comprehensive metabolic panels to quickly assess patient conditions. Patients rate Dr. Williamson 4.0 out of 5 stars for her care.

Overview based on verified provider data

Quick Facts

  • 4
  • 35 years of experience
  • 47 insurance plans accepted
  • speaks English
  • Suny Downstate Medical Center College Of Medicine
  • 2 specialties
  • 1 area of expertise
  • 1 office location
  • Female

Office Location

Mount Sinai South Nassau

1 Healthy WayOceanside, NY 11572

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Dr. Dawn Ellen Williamson, MDDr. Muhammad Reza ZakariaDr. Piya Ghoshal, MDDr. Eric Yoon, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.7 
4.4 
35 Years of Experience 40 Years of Experience 28 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option Virtual Visit Available
Speaks English Speaks Spanish, Russian, English Speaks English Speaks English
Oceanside , NYBrooklyn , NYAmityville , NYNew York , NY
Med School: Suny Downstate Medical Center College Of Medicine Med School: Dhaka Medical College And Hospital Med School: St Georges University School Of Medicine Med School: State University of New York
Current Profile
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Insurance Plans Accepted by Dr. Dawn Ellen Williamson

  • 1199SEIU
  • 1199SEIU - Medicare (Advantage HMO)
  • AARP
  • AARP - Medicare (Advantage HMO)
  • Aetna
  • AgeWell New York
  • AmeriGroup
  • Blue Cross Blue Shield
  • CareSource
  • CareSource - Medicaid
  • CenterLight Healthcare
  • Cigna
  • Elderplan
  • Elderplan - Medicare (Advantage HMO)
  • EmblemHealth - Medicare (Advantage HMO)
  • Fidelis Care (NY)
  • First Health (Coventry Health Care)
  • Health First Health Plans
  • HealthChoice
  • HealthFirst (NY)
  • Humana
  • Humana - Medicare (Advantage HMO)
  • Kaiser Permanente
  • Kaiser Permanente - Medicaid (Managed)
  • Longevity Health Plan
  • MagnaCare
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • Medicare - Medicare (Advantage HMO)
  • MedStar Family Choice
  • MetroPlus Health Plan
  • Molina Healthcare
  • Mutual of Omaha
  • MVP Health Care
  • National Vision Administrators
  • National Vision Administrators - Workers’ Compensation
  • Optum Health
  • Oscar Health Insurance
  • Tricare
  • United American
  • UnitedHealthcare
  • UnitedHealthcare - Medicare (Advantage HMO)
  • UnitedHealthcare Oxford
  • Wellcare
  • Wellcare - Medicare

Medical Specialties

Dr. Dawn Ellen Williamson has the following 2 specialties

Specialty Expertise

Dr. Dawn Ellen Williamson has the following area of expertise

  • Emergency Medicine

Certifications, License, & Education

35 Years Experience

Dr. Dawn Ellen Williamson holds an active medical license in the state of New York.

Medical License

Medical Doctor with an active medical license in the state of New York that expires in 2027.

Education & Training

Medical School

Graduated from Suny Downstate Medical Center College Of Medicine in 1991.

NPI Number

Dr. Williamson's NPI number is 1073592549.

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Frequently Asked Questions

Does Dr. Dawn Williamson accept virtual/telehealth appointments?
Dr. Dawn Williamson has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Dawn Williamson accept my insurance?
You can see the insurance plans that Dr. Dawn Williamson accepts on their Vitals profile.
Where is Dr. Dawn Williamson's office located?
Dr. Dawn Williamson's office is located at 1 Healthy Way, Oceanside, NY, 11572.
How can I make an appointment with Dr. Dawn Williamson?
You can find contact information for Dr. Dawn Williamson here on Vitals.
Is Dr. Dawn Williamson accepting new patients?
Dr. Dawn Williamson has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.

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