Summary

Dr. Katherine Siamas specializes in dermatology, focusing on comprehensive skin care and cosmetic treatments. She completed her medical education at The School of Medicine at Stony Brook University Medical Center before pursuing an internship at Winthrop-University Hospital in 2010 and completing her dermatology residency at University Hospital of Brooklyn-SUNY Downstate Medical Center in 2014. With 17 years of experience in medicine, Dr. Siamas provides care to 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 out of 5 stars on Vitals.

Overview based on verified provider data

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 hospital affiliations
  • 2 office locations
  • Female

Patients’ Perspective

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

Office Locations

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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Katherine A Siamas, MD
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Katherine A Siamas, MDDr. Anetta Elzbieta Reszko, MDChristopher Byrne, MPAS, RPA-CRachel Straus, PA
DermatologyDermatologyDermatologyDermatology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.2 
4.9 
17 Years of Experience 21 Years of Experience 24 Years of Experience 5 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Polish Speaks English Speaks English
Commack , NYNew York , NYFranklin Square , NYForest Hills , NY
Med School: The School of Medicine at Stony Brook University Medical Center Med School: Case Western Reserve University School Of Medicine Med School: University of Nebraska Med School: Touro University
Current Profile
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Insurance Plans Accepted by 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

Katherine A Siamas has the following 2 specialties

Specialty Expertise

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

Katherine A Siamas 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

Residency

Completed their residency at University Hospital of Brooklyn-SUNY Downstate Medical Center in 2014.

Internship

Completed their internship at Winthrop-University Hospital in 2010.

Medical School

Graduated from The School of Medicine at Stony Brook University Medical Center in 2009.

NPI Number

Katherine A Siamas' NPI number is 1013209212.

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Frequently Asked Questions

Does Katherine Siamas accept my insurance?
You can see the insurance plans that Katherine Siamas accepts on their Vitals profile.
Is Katherine Siamas accepting new patients?
Katherine Siamas is accepting new patients on Vitals. View Katherine Siamas's profile on Vitals to make an appointment.
Which hospitals is Katherine Siamas affiliated with?
Katherine Siamas is affiliated with Saint Catherine Of Siena Medical Center and STONY BROOK UNIVERSITY HOSPITAL.
Where is Katherine Siamas's office located?
Katherine Siamas's office is located at 500 Commack Rd Ste 102, Commack, NY, 11725.
How can I make an appointment with Katherine Siamas?
You can find contact information for Katherine Siamas here on Vitals.

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