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Your Trusted Dermatology Partner in New York
Hudson Dermatology is the largest independent dermatology practice in New York State, offering expert medical, cosmetic, and surgical dermatology services. Our board-certified physicians are trained at leading institutions and utilize advanced technology to deliver personalized, safe, and effective treatments. With eight locations across the Hudson Valley, we serve adults and pediatric patients, specializing in skin cancer detection, acne, psoriasis, rosacea, eczema, vitiligo, and cosmetic procedures. Our commitment to patient care is reflected in our efficient appointments, thorough consultations, and use of evidence-based practices. We prioritize patient education, preventive care, and innovative treatments like Mohs surgery, which offers a 99% cure rate for skin cancer.

Our team includes dermatologists, physician assistants, and estheticians dedicated to addressing both common and complex skin conditions. We maintain a welcoming environment and emphasize clear communication, ensuring patients feel informed and comfortable throughout their care journey. Our practice also offers telehealth services for convenient access to dermatologic expertise. Patient testimonials highlight our punctuality, knowledgeable staff, and compassionate approach to treatment. With decades of combined experience, we strive to be a trusted resource for skincare in the communities we serve.
Services
Skin Cancer Treatment Mohs Surgery Acne Solutions Cosmetic Injectables Pediatric Dermatology
Highlights and features
  • Board-certified dermatologists with training from top institutions
  • Personalized treatment plans using advanced technology
  • Eight convenient locations across the Hudson Valley
  • Efficient appointments with minimal wait times
  • Comprehensive care for medical, surgical, and cosmetic needs
What people say
Fastest medical appointment experience Knowledgeable and thorough providers Friendly and helpful staff Minimal wait times Personalized care approach
Services
Mohs Surgery
Mohs surgery is a precise skin cancer treatment with a 99% cure rate. Our fellowship-trained surgeons remove cancerous tissue layer by layer while preserving healthy skin. This outpatient procedure includes same-day wound repair for most patients.
Cosmetic Injectables
Our cosmetic injectables include BOTOX and dermal fillers like JUVDERM. These treatments reduce wrinkles, restore facial volume, and enhance natural features using FDA-approved products administered by experienced providers.
Pediatric Dermatology
We specialize in treating childhood skin conditions including eczema, warts, and birthmarks. Our providers create child-friendly treatment plans while educating parents about managing chronic conditions like psoriasis.
Skin Cancer Screening
Full-body skin exams detect early signs of melanoma and other skin cancers. Our ABCDE screening method identifies suspicious moles, with biopsies performed in-office when necessary for early intervention.
Laser Treatments
We offer laser therapies for hair removal, nail fungus, and photodynamic therapy. These treatments use targeted light energy to address cosmetic concerns and precancerous lesions safely and effectively.
People
Ross Zeltser
Board-Certified Dermatologist
Dr. Zeltser is a fellowship-trained Mohs surgeon with over 15 years of experience. He specializes in skin cancer treatment and complex dermatologic surgery at Hudson Dermatology's Fishkill location.
Isaac R. Rosenblum
Physician Assistant
PA-C Rosenblum provides comprehensive dermatology care with a focus on patient education. He has over a decade of experience treating acne, eczema, and skin cancer in Hudson Valley residents.
Carlos A. Charles
Board-Certified Dermatologist
Dr. Charles specializes in medical and cosmetic dermatology, with expertise in treating ethnic skin types. He has published research on innovative acne treatments and pigment disorders.
Karl Kruszynski
Physician Assistant
PA-C Kruszynski has over 20 years of pediatric dermatology experience. He is known for his compassionate approach to treating children with chronic conditions like alopecia and eczema.
Nicole Valastro
Licensed Esthetician
LE Valastro offers personalized skincare treatments including chemical peels and microdermabrasion. She specializes in post-procedure skincare regimens and product recommendations for Hudson Dermatology patients.
Questions
What dermatology services does Hudson Dermatology offer?
We provide medical dermatology (skin cancer, acne, eczema), cosmetic treatments (BOTOX, fillers), Mohs surgery, pediatric care, and telehealth consultations.
Do you accept my insurance plan?
We accept most major insurance plans. Check our website for a comprehensive list or contact our office for verification.
How do I schedule a Mohs surgery consultation?
Request an appointment online or call our Fishkill office directly at (845) 896-7730 for Mohs surgery evaluations.
Are virtual dermatology visits available?
Yes, we offer HIPAA-compliant telehealth appointments for non-urgent skin concerns like acne and rashes.
What makes Hudson Dermatology unique?
We combine board-certified expertise with advanced technology across eight locations, offering same-day appointments and personalized treatment plans.
Reviews (4)
Rose A.
Jun 17, 2022 Report
Had a great first visit to Hudson Dermatology with Dr. Julie Fridlington and her nurse they were both very Nice and friendly also informative which made a calm relaxing atmosphere for my office visit. Reception and check out staff were also pleasant and efficient. Very clean waiting area and rooms. Feel confident in returning for my next visit.
Dennis Purdy
May 21, 2022 Report
I had my first visit with Hudson Dermatology today. I give 5 stars because I did all the questions they sent me a link for, before my visit. When I arrived the receptionist were polite and very courteous, the only form I had to fill out was can messages be left for me if I don't answer phone. I feel horrible not remembering the doctors full name, however, it was Carlos, (I think), first name and his nurse whom I forgot her name, had 100% bedside manner and made my initial visit, and head to toe skin check up so comfortable and not routine.

I felt they truly care about the patients they see. And I would guess, the business employs all the other Dermatologist to give such relaxing, excellent care. I will definitely return if needed to this medical group and hopefully, the doctor who saw me today, is still there.
Ariana Terrell
May 02, 2022 Report
The staff here were so friendly and nice! Dr. Belaidi was so pleasant and extremely helpful! She explained everything to me so clearly and listened to all of my concerns. She offered an amazing plan in solving my acne issues! I just felt so comfortable and welcome at this office by everyone.
Craig R. Dickson
Apr 21, 2022 Report
Reception was highly professional and efficient. My appointment was actually ahead of scheduled time. I'm always early just out of respect and they were great. Dr Kabigting was world class. Informative and thorough. All you could ask for. The nurse, (sorry I didn't get name) was equally great. The entire experience was excellent. Love you guys. Thanks for being who you are.