Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Joan S Sisto, MD

Individual provider Dermatology Physician · NPI 1033214077

Dr. Joan S Sisto, MD is a Dermatology in York, Maine. Graduated from Albert Einstein College of Medicine of Yeshiva University in 1995, 31 years ago. Practices with Optima Dermatology LLC, a 74-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Maine and New Hampshire.

Years since qualifying
31
Trained at
Albert Einstein College of Medicine of Yeshiva University
Licensed in
ME, NH
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

10 Market Place Dr # 3
York, ME 03909-1680
Phone: (207) 305-1959
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 215 Commerce Way Ste 100, Portsmouth, NH 03801-3244 — (603) 441-1075
  • 23 Portsmouth Ave, Stratham, NH 03885-2520 — (603) 942-2171

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence 10730 (NH)
Dermatology Physician Taxonomy 207N00000X · Licence MD15155 (ME)

Record details

NPI number1033214077
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 14, 2006
Last updated in NPPESOctober 11, 2024
Certification dateOctober 11, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDERMATOLOGY
Medical schoolALBERT EINSTEIN COLLEGE OF MEDICINE OF YESHIVA UNIVERSITY
Graduated 1995 (31 years in practice)
Group practice Optima Dermatology Llc — 74 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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