Summary

Dr. Katherine Siamas treats acne vulgaris, dermatological skin conditions and diseases, and allergic contact dermatitis, and performs Botox and Dysport cosmetic injections, cosmetic dermatology, and dermal and hyaluronic acid filler injectables. She practices dermatology with 17 years of experience and is affiliated with Saint Catherine of Siena Medical Center and Stony Brook University Hospital.

She completed her residency at University Hospital of Brooklyn–SUNY Downstate Medical Center in 2014 and trained at The School of Medicine at Stony Brook University Medical Center. She sees patients in Commack and Stony Brook, New York.

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

Compare with Similar Doctors

Katherine A Siamas, MD
Dr. Sejal K. Shah, MD
Dr. Aton M. Holzer, MD
Dr. Theresa Durchhalter, DO
Katherine A Siamas, MDDr. Sejal K. Shah, MDDr. Aton M. Holzer, MDDr. Theresa Durchhalter, DO
DermatologyDermatologyDermatologyDermatology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.2 
4.8 
3.9 
0 
17 Years of Experience 21 Years of Experience 21 Years of Experience 10 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English Speaks English, Spanish, Polish
Commack , NYNew York , NYRiverhead , NYHicksville , NY
Med School: The School of Medicine at Stony Brook University Medical Center Med School: Icahn School Of Medicine At Mount Sinai Med School: Weill Medical College of Cornell University Med School: Edward Via Virginia College Of Osteopathic Medicine
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

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.
Does Katherine Siamas accept my insurance?
You can see the insurance plans that Katherine Siamas accepts on their Vitals profile.
Which hospitals is Katherine Siamas affiliated with?
Katherine Siamas is affiliated with Saint Catherine Of Siena Medical Center and STONY BROOK UNIVERSITY HOSPITAL.
What languages does Katherine Siamas speak?
Katherine Siamas speaks English.
Where is Katherine Siamas's office located?
Katherine Siamas's office is located at 500 Commack Rd Ste 102, Commack, NY, 11725.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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