Laura L. Fitzpatrick, MD, MPH

Dr. Fitzpatrick is a graduate of Duke University, where she received a Bachelor’s of Science degree with Honors and Distinction. She attended the University of North Carolina at Chapel Hill, where she received both her Doctor of Medicine and Master’s in Public Health degrees. She returned to Duke University Medical Center, completing both her residency in Internal Medicine and fellowship in Endocrinology. She holds board certifications in Endocrinology and Internal Medicine from ABIM. Dr. Fitzpatrick has been practicing medicine since 2002 and endocrinology since 2005, having been in group endocrinology practice for the past 14 years. She holds Endocrine Certification in Neck Ultrasonography (ECNU), a professional certification in neck ultrasound provided by the American Association of Clinical Endocrinologists (AACE) and recognized by the American Institute of Ultrasound in Medicine (AIUM).

Dr. Fitzpatrick received the Top Doctors™ award in Endocrinology, Diabetes and Metabolism from Philadelphia magazine from 2018- 2024.  She is also a recipient of the Castle Connolly Top Doctors™ award from 2017-2024, and the Exceptional Women in Medicine award since 2020.



Parm S. Greeley, MD

Parm S. Greeley, M.D. completed his Bachelor of Arts at Columbia University, and completed medical school at the University of Pittsburgh. He subsequently completed internship and residency in Internal Medicine at Jefferson University followed by an Endocrine Fellowship at the University of Pittsburgh.

He is board certified in Endocrinology from ABIM. Dr. Greeley has been practicing medicine since 2002 and endocrinology since 2005, having been in group endocrinology practice for the past 11 years.



Kyle Sullivan, PA-C

Kyle Sullivan, MMS, PA-C received a Bachelor’s of Science degree in Nutritional Science from the University of Connecticut, where he graduated with honors. Kyle then went on to Salus University where he completed his Master’s of Medical Science degree in Physician Assistant Studies with honors, and is now a board-certified Physician Assistant. He uses his background in nutrition to better assist patients in controlling their diabetes and other endocrine/metabolic disorders.



Melissa Rutkin, MSN, FNP-C

Melissa Rutkin, MSN, FNP-C received a Bachelor of Science in Nursing from Stevenson University in Maryland. She worked as nurse at Johns Hopkins Hospital and Children’s Hospital of Philadelphia, where she worked in multiple specialties and found her passion for endocrinology. At Children’s Hospital of Philadelphia Melissa focused on patient education and taught classes for patients and families who were newly diagnosed with diabetes. She received her Master of Science in Nursing at Duke University with honors, where she also competed an additional specialty in endocrinology. She is now a board-certified Family Nurse Practitioner; she uses her experiences in nursing to help her patients create a holistic plan for managing their diabetes and other endocrine disorders.


Conditions we treat:

  • Thyroid nodules
  • Hypothyroidism
  • Hyperthyroidism
  • Hashimoto’s thyroiditis
  • Thyroid cancer

  • Hyperparathyroidism
  • Hypercalcemia / hypocalcemia
  • Vitamin D deficiency
  • Osteoporosis/ osteopenia
  • Diseases of the adrenal glands

  • Diseases of the pituitary
  • Diabetes
  • Polycystic ovarian syndrome
  • Hyperandrogenism
  • Hypogonadism

We hope to inspire our patients to lead more healthful lifestyles, through proper eating and exercise, and to eliminate the need for meds whenever feasible.