Our Providers

Medical

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Katrina Thoma, Director of Medical Services at Sadler, is certified in pediatric primary care and specializes in pediatric congenital heart defects and intensive care. 

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Dr. Gordon Miller, Family Physician at Sadler, provides family care. He has practiced in south central Pennsylvania for the past 12 years following his retirement from military service in the United States Army.

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Dr. Lakshmi Polavarapu, Lab Director at Sadler, focuses on family and addiction medicine. She is certified in medication-assisted treatment for opioid abuse and is a committee member with the Task Force on Opiate Prescribing with Partnership for Better Health.

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Dr. Stephen Phillips, Family Physician at Sadler, has over 30 years of experience serving patients of all ages. He was formerly a family physician in the United States Army before retiring in 2017.

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Dr. Caterbone, a Board-Certified Physician, was born and raised in Lancaster, PA. He graduated from the Philadelphia College of Osteopathic Medicine.

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Maureen Miller-Griffie, is a certified family nurse practitioner with over 40 years of experience in nursing. She earned her nursing diploma from the Altoona Hospital of Nursing and her Master of Science degree in Nursing from Walden University.


Dental

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Ama Graham-Kremers is the director of Dental Services at Sadler health, and joined the group in August of 2020.

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Dr. Tina Taylor received her Bachelor of Science degree from the University of California San Diego, and went on to earn her Doctor of Dental Medicine degree from the Arizona School of Dentistry & Oral Health, and a Certificate in Public Health with Dental Emphasis from A.T. Still University.

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Dr. Taylor was born in Flagstaff, AZ. where an appreciation of the great outdoors was instilled. From the mountains to the ocean, Dr. Taylor grew up in San Diego County.

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Dr. Sunczerae Kushkituah received dual Bachelor of Science degrees in Biology and Psychology from Syracuse University. She went on to earn a Doctor of Dental Surgery degree from New York University, College of Dentistry.

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Lisa Juliana, a public health dental hygiene practitioner, is licensed in local anesthesia at Sadler.

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Kimberly Bury is a public health dental hygiene practitioner and Dental Manager at Sadler Health Center, certified in local anesthesia. Before joining Sadler in 2017, she worked in private practice for nearly 10 years.

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A public health dental hygiene practitioner at Sadler, Carol Crable enjoys educating patients about the importance of oral health and how it affects the overall health of your body. She is licensed in local anesthesia and certified in diode laser.

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Rebecca M. Schwartz PHDHP is a public health Dental hygiene practioner certified in local anesthesia at Sadler Health Center.


Behavioral

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Natalie Toski is a board-eligible psychiatrist offering psychiatry services and medication management to adolescents and adults. She is a contracted employee of Sadler Health via Array Behavioral Care.

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As one of Sadler’s Behavioral Health Specialist, Kristen Ruis focuses on depression, anxiety, relationship issues, grief/loss, tobacco cessation, substance use and parenting.

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Rick graduated from Virginia Tech with a double major in Psychology and Philosophy in 1999, and from Catholic University with his Masters of Social Work in 2002. 

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