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Nancy Chasko, MD, FACP

My Locations

WellSpan Internal Medicine - St. Charles Way
370 St. Charles Way
York, PA 17402
(717) 741-8003
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About Me

Why I chose to pursue a career in medicine:

Coming from a family of physicians, I've always had an interest in biology and how remarkable the human body is. And although I majored in journalism in college, becoming a physician was always my career goal. I pursued Internal Medicine because I like working with adults, from adolescence to the elderly, sifting through multiple organ systems and problems. Primary care, in particular, is perfect for me because I love getting to know people over time, and in forming good partnerships to promote healthier lifestyles.


What I want my patients to know about me:

I have several philosophies as a primary care doctor. First, because we all have busy lives and schedules, I do try to keep my appointments on time. Second, I believe strongly in educating our future physicians, so I am proud to serve on WellSpan's faculty for our Internal Medicine residents and as clerkship director for visiting medical students from Drexel and Penn State. Finally, I practice standard evidence-based medicine, meaning I follow the guidelines put forth by the CDC, American College of Physicians, and the United States Preventative Task Force (USPSTF).


What I do when I'm not seeing patients:

Once all my “work work” is done, and all the laundry is cleaned and put away, I spend my free time with my toddler son outside in our yard or going for walks. In the summer time, I try to escape to the Jersey Shore. During the winter, my husband and I count down the days until spring training, when our beloved Phillies will hit the field yet again.


Clinical Interests

  • Adolescent Health
  • Cholesterol Management
  • Coronary Artery Disease
  • Depression
  • Diabetes
  • Diabetes Management
  • Diabetes Prevention
  • Hyperlipidemia
  • Hyperthyroid & Hypothyroidism
  • Liver Disease
  • Medical Education
  • Migraine Headaches
  • Preventive Medicine
  • Smoking Cessation
  • Weight Reduction

Board Certifications

  • American Board of Internal Medicine | Internal Medicine

Education & Credentials

  • Medical School: St George's University School of Medicine
  • Residency Program: Penn State Milton S. Hershey Medical Center
  • Undergraduate Education: University of Richmond

WellSpan Hospital Affiliations

  • WellSpan York Hospital

Health Plans Accepted

WellSpan Financial Assistance Program participant

  • Aetna
  • Aetna Better Health
  • Amerihealth Caritas PA
  • Capital Blue Cross
  • Cigna Healthsprings(Formerly Bravo)
  • Cigna/Greatwest
  • EHP Significa
  • Gateway
  • Geisinger
  • Health America
  • Highmark Blue Shield
  • InterGroup
  • John Hopkins Health Care
  • PA Medical Assistance
  • PA Medicare
  • Preferred Health Care
  • South Central Preferred
  • Tricare
  • United Healthcare Community Plan
  • United Healthcare/ Mamsi
  • 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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