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Nastassia De Souza, MD

My Locations

WellSpan Endocrinology
292 St. Charles Way
York, PA 17402
(717) 851-6231
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About Me

Why I chose to pursue a career in healthcare:

I was inspired by the care my family received by the doctors who treated us over the years. Medicine combines my passion for science and desire to help others. Medicine has been a rewarding experience to connect with my patients to empower them with knowledge for betterment of their health and overall well-being.


What I want my patients to know about me:

I enjoy talking to you! Please let me know if you do not understand anything during a visit and allow me to be your health advocate!


What I do when I'm not seeing patients:

I enjoy reading and cooking. I am always finding ways to incorporate healthy options into my cooking techniques. I also plan on spending more time outdoors in beautiful York!


Clinical Interests

  • Adrenal Disease
  • Diabetes Type 1 & Type 2
  • Hypogonadism
  • Metabolic Syndrome
  • Parathyroid Disorders
  • Pituitary Disorders
  • Calcium Disorder
  • Hyperthyroid & Hypothyroidism
  • Insulin Pump Therapy
  • Osteoporosis
  • PCOS
  • Thyroid Cancer
  • Hypoglycemia

Board Certifications

  • American Board of Internal Medicine | Internal Medicine
  • American Board of Internal Medicine | Endocrinology, Diabetes & Metabolism

Education & Credentials

  • Medical School: Windsor University School of Medicine
  • Residency Program: WellSpan York Hospital | Internal Medicine
  • Fellowship Program: University of Texas Medical Branch Hospitals | Endocrinology
  • Undergraduate Education: Columbia College Of Surgeons
  • Undergraduate Education: University of Toronto

WellSpan Hospital Affiliations

  • WellSpan York Hospital

Health Plans Accepted

WellSpan Financial Assistance Program participant

  • Advantra Medicare (Aetna)
  • Aetna
  • Aetna Better Health
  • Amerihealth Caritas PA
  • Capital BlueCross
  • Cigna Healthspring
  • Cigna/Greatwest
  • Gateway Highmark Wholecare
  • Geisinger
  • Health Partners Plan
  • Highmark Blue Shield
  • InterGroup
  • John Hopkins Health Care
  • PA Health & Wellness (Centene)
  • PA Medical Assistance
  • PA Medicare
  • Preferred Health Care
  • Railroad Medicare
  • 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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