Summary

Dr. Katherine Siamas is a board-certified dermatologist who has been providing comprehensive skin care for 17 years. She earned her medical degree from The School of Medicine at Stony Brook University Medical Center and completed her residency at University Hospital of Brooklyn-SUNY Downstate Medical Center in 2014, following her internship at Winthrop-University Hospital in 2010. Dr. Siamas communicates with patients in English.

Dr. Siamas practices at Saint Catherine Of Siena Medical Center and Stony Brook University Hospital, with locations in Commack and Stony Brook, New York. She treats a wide range of skin conditions including acne and allergic contact dermatitis. Her expertise extends to cosmetic procedures such as Botox injections and dermal fillers. Patients have given Dr. Siamas an average rating of 4.2 stars for her care.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 4.2
  • 17 years of experience
  • 18 insurance plans accepted
  • speaks English
  • University Hospital of Brooklyn-SUNY Downstate Medical Center
  • 2 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 2 hospital affiliations
  • 2 office locations
  • Female

Office Locations

Dr. Katherine A Siamas has 2 locations

Stony Brook Medicine - Advanced Specialty Care - Dermatology

500 Commack Rd Ste 102Commack, NY 11725
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed

Stony Brook Dermatology Associates

1320 Stony Brook Rd Bldg FStony Brook, NY 11790
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed

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Dr. Katherine A Siamas, MDYan Eve Jin, FNP-CDr. Alina G Bridges, MD, FAADDr. Aza Lefkowitz, MD
DermatologyDermatologyDermatologyDermatology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.2 
4.7 
17 Years of Experience 6 Years of Experience 28 Years of Experience 30 Years of Experience
Virtual Visit Available No Virtual Visit Option Virtual Visit Available No Virtual Visit Option
Speaks English Speaks English Speaks English Speaks English
Commack , NYRiverhead , NYNew Hyde Park , NYAlbertson , NY
Med School: The School of Medicine at Stony Brook University Medical Center Med School: Molloy College Med School: University of Medicine and Dentistry of NJ- School of Osteopathic Medicine Med School: State University of New York (SUNY)
Current Profile
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Insurance Plans Accepted by Dr. Katherine A Siamas

  • Accepts Medicare
  • (Anthem) EMP HEALTH CHOICE HMO
  • (Anthem) EMP HEALTH CHOICE PPO
  • (Anthem) EMP HEALTH CHOICE SR
  • Aetna
  • Beech Street
  • CIGNA HMO
  • CIGNA PPO
  • GHI / MEDICARE PLUS
  • GHI CBP
  • GHI HMO
  • GREAT WEST
  • HEALTHFIRST
  • HIP
  • MagnaCare
  • MET EMPIRE
  • MULTIPLAN
  • OXFORD
  • UNITED HEALTHCARE

Medical Specialties

Dr. Katherine A Siamas has the following 2 specialties

Specialty Expertise

Dr. Katherine A Siamas has the following 11 areas of expertise

  • Actinic Keratosis
  • Basal Cell
  • Cosmetic Dermatologist
  • Excision
  • Melanoma
  • Mole
  • Psoriasis
  • Rash
  • Rosacea
  • Skin Biopsy
  • Skin Cancer

Certifications, License, & Education

17 Years Experience

MEDICAL LICENSE

Medical Doctor, New York, 2027, Active

EDUCATION & TRAINING

Residency

University Hospital of Brooklyn-SUNY Downstate Medical Center2014

Internship

Winthrop-University Hospital2010

Medical School

The School of Medicine at Stony Brook University Medical CenterGraduated in 2009

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Frequently Asked Questions

Where is Dr. Katherine Siamas's office located?
Dr. Katherine Siamas's office is located at 500 Commack Rd Ste 102, Commack, NY, 11725.
Does Dr. Katherine Siamas accept virtual/telehealth appointments?
Yes, Dr. Katherine Siamas accepts virtual/telehealth appointments. Click the virtual visit button on their Vitals profile.
How can I make an appointment with Dr. Katherine Siamas?
You can find contact information for Dr. Katherine Siamas here on Vitals.
Which hospitals is Dr. Katherine Siamas affiliated with?
Dr. Katherine Siamas is affiliated with Saint Catherine Of Siena Medical Center and STONY BROOK UNIVERSITY HOSPITAL.
What languages does Dr. Katherine Siamas speak?
Dr. Katherine Siamas speaks English.

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