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Theresa Zaleski, DO, FAAD

My Locations

WellSpan Dermatology
296 St. Charles Way
York, PA 17402
(717) 812-5050
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About Me

What I want my patients to know about me:

My Care Philosophy: A diagnosis of skin cancer can be scary, but fortunately, the treatment doesn't have to be. I look forward to providing you and your family with the best care possible right here in your community.

What I do when I'm not seeing patients:

I like to spend my free time with family, friends and my dog. I enjoy staying active and spending time on the water, using proper sun protection of course!

Clinical Interests

  • Botox injections
  • Skin Cancer Screenings/Exams
  • Skin Cancer Surgery
  • Skin Growths
  • Skin Lesion evaluation and excision
  • Skin Cancer
  • Mohs Microscopic Surg-Skin Can

Board Certifications

  • American Board of Osteopathic Dermatology
  • Am Os Bd Dermatology (MOHS Micrographic Surgery)

Education & Credentials

  • Medical School: Rowan University School of Osteopathic Medicine
  • Internship Program: Largo Medical Center
  • Residency Program: St. Joseph Mercy Health System | Dermatology
  • Fellowship Program: St. Joseph Mercy Health System | Mohs Micrographic Surgery & Reconstruction
  • Undergraduate Education: Boston College

WellSpan Hospital Affiliations

  • WellSpan York Hospital

Health Plans Accepted

WellSpan Financial Assistance Program participant

  • Aetna
  • Aetna Better Health
  • Amerihealth Caritas PA
  • Capital BlueCross
  • Cigna Healthcare
  • Cigna Medicare Advantage
  • Gateway Highmark Wholecare
  • Geisinger
  • Highmark Blue Shield
  • HPP/Jefferson Health Plan
  • InterGroup/Prime Health Services
  • John Hopkins Health Care
  • PA Health & Wellness (Centene)
  • PA Medical Assistance
  • PA Medicare
  • Preferred Health Care
  • South Central Preferred
  • Tricare
  • United Healthcare
  • UPMC Health Plan
  • Vibra Health Plan

Patient Reviews

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Physician star ratings and patient comments come from after visit survey data that is compiled by Press-Ganey, a leading independent performance measurement company. WellSpan is committed to posting all feedback, whether positive or negative. However, comments may be edited or removed if they are profane or risk the privacy of our patients.

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