Summary

Dr. Joan Sisto is a dermatologist who earned her medical degree from Albert Einstein College of Medicine. With 31 years of experience in dermatology, she has built extensive expertise in diagnosing and treating a wide range of skin conditions. Dr. Sisto speaks both English and Spanish, making her services accessible to a broader patient community.

Dr. Sisto practices at multiple locations throughout Maine and New Hampshire, including York and Portsmouth, and maintains an affiliation with Portsmouth Regional Hospital. She specializes in treating common skin concerns such as moles, age spots, and seborrheic keratoses. Her treatment options include skin lesion removal, laser therapy, and cryotherapy for various skin conditions. Patients have given Dr. Sisto an average rating of 4.1 stars, reflecting their confidence in her dermatological care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.1
  • 31 years of experience
  • speaks English, Spanish
  • Albert Einstein College Of Medicine
  • 9 written reviews
  • 1 specialty
  • 12 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 4 office locations
  • Female

Patients’ Perspective

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

Office Locations

Dr. Joan Skinner Sisto has 4 locations

Northeast Dermatology Associates Pc

519 Us Route 1 Unit 2York, ME 03909
Mon8:00 am - 3:30 pm
Tue8:00 am - 3:30 pm
Wed8:00 am - 3:30 pm
Thu8:00 am - 3:30 pm
FriClosed
SatClosed
SunClosed

Optima Dermatology

215 Commerce Way Ste 100Portsmouth, NH 03801
Mon6:30 am - 5:30 pm
Tue6:30 am - 5:30 pm
Wed6:30 am - 5:30 pm
Thu6:30 am - 5:30 pm
Fri6:30 am - 5:30 pm
SatClosed
SunClosed

Optima Dermatology

23 Portsmouth AveStratham, NH 03885
Mon6:30 am - 5:30 pm
Tue6:30 am - 5:30 pm
Wed6:30 am - 5:30 pm
Thu6:30 am - 5:30 pm
Fri6:30 am - 5:30 pm
SatClosed
SunClosed

Optima Dermatology

10 Market Place Dr Ste 3York, ME 03909
Mon6:30 am - 5:30 pm
Tue6:30 am - 5:30 pm
Wed6:30 am - 5:30 pm
Thu6:30 am - 5:30 pm
Fri6:30 am - 5:30 pm
SatClosed
SunClosed

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Dr. Joan Skinner Sisto, MD
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Dr. Joan Skinner Sisto, MDAnne E Allen, MDTrisha Khanna, MD, FAADDr. Anna Chacon, MD
DermatologyDermatologyDermatologyDermatology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.1 
31 Years of Experience 9 Years of Experience 8 Years of Experience 14 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English Speaks English, Spanish, Italian, Hindi Speaks English, French, Spanish
York , MEKnoxville , TNOrlando , FLMiami , FL
Med School: Albert Einstein College Of Medicine Med School: University Of Michigan Medical School Med School: Columbia University College Of Physicians & Surgeons Med School: Brown Medical School
Current Profile
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Insurance Plans Accepted by Dr. Joan Skinner Sisto

  • Accepts Medicare

Medical Specialties

Dr. Joan Skinner Sisto has the following specialty

Specialty Expertise

Dr. Joan Skinner Sisto has the following 12 areas of expertise

  • Acne (Acne Vulgaris)
  • Acne Rosacea
  • Actinic Keratosis
  • Basal Cell
  • Excision
  • Melanoma
  • Mole
  • Psoriasis
  • Rash
  • Rosacea
  • Skin Biopsy
  • Skin Cancer

Certifications, License, & Education

31 Years Experience

Dr. Joan Skinner Sisto holds expired and active medical licenses in the states of Maine and New Hampshire.

Medical License

Medical Doctor with an expired medical license in the state of Maine that expired in 2026 and an active medical license in the state of New Hampshire that expires in 2027.

Education & Training

Medical School

Graduated from Albert Einstein College Of Medicine in 1999 and Albert Einstein College Of Medicine Of Yeshiva University in 1995.

NPI Number

Dr. Sisto's NPI number is 1033214077.

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Frequently Asked Questions

Which hospitals is Dr. Joan Sisto affiliated with?
Dr. Joan Sisto is affiliated with Portsmouth Regional Hospital.
Does Dr. Joan Sisto accept my insurance?
You can see the insurance plans that Dr. Joan Sisto accepts on their Vitals profile.
Does Dr. Joan Sisto accept virtual/telehealth appointments?
Dr. Joan Sisto has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Joan Sisto's office located?
Dr. Joan Sisto's office is located at 519 Us Route 1 Unit 2, York, ME, 03909.
Is Dr. Joan Sisto accepting new patients?
Dr. Joan Sisto is accepting new patients on Vitals. View Dr. Joan Sisto's profile on Vitals to make an appointment.

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