meet our team

Pain Management Pittston PA Kevin Gehin

P Kevin Gehin, DC

P Kevin Gehin, DC is the Owner and Director of CoreMedical Alliance and Wyoming Valley Spine & Nerve Institute located in Pittston, Pennsylvania. He earned his Doctorate degree from Palmer College of Chiropractic in Davenport, Iowa in 2002. Upon graduation he owned and operated several clinics in the Indianapolis, IN area as well as provided treatment for families in the Amish communities throughout northern Indiana.

Read More

Understanding the need for specialized homeopathic care in Northeastern Pennsylvania, he sold his clinics and relocated to Pennsylvania.

Dr. Gehin and his team of specialists believe in an integrated approach to helping patients achieve their wellness goals and enhance their quality of life by treating the actual condition rather than the symptoms while utilizing state of the art technology. With this philosophy in mind, Dr. Gehin is proud to offer care options such as regenerative medicine, decompression, sexual health treatments for men and women, hair restoration, facial rejuvenation, vampire face lift, breast lift, and more. Dr. Gehin’s patients appreciate the way he educates patients one-on-one to truly understand their condition and the treatment options available to them so they can live their very best life.

Dr. Gehin resides in Northeast Pennsylvania with his wife and three children. He enjoys traveling often, amateur radio, and spending time with his family and friends across the county.

Pain Management Pittston PA Jose Derr

Jose Derr - DO

Jose Derr is Board certified by the American College of Osteopathic Family Physicians. He received his Doctor of Osteopathic Medicine from the Philadelphia College of Osteopathic Medicine. He also holds a Master of Science in Physiology and a Bachelor’s of Science in Zoology from the Pennsylvania State University.

Read More

Dr. Derr has over 35 years of experience as a family practice physician in outpatient and hospital settings. He is highly motivated and is a dedicated provider of quality primary health care. He has demonstrated abilities with skilled nursing care and rehabilitative medicine. Dr. Derr retired from active practice after 36 years but continues to enjoy practicing part time.

Dr. Derr is a member of the American Osteopathic Association, a member of the Pennsylvania Osteopathic Association, is a board-certified member of the American College of Osteopathic Family Practitioners, a member of the Alumni Association of Philadelphia College of Osteopathic Medicine, is a Diplomat of the National Board of Examiners, and is American Heart Association certified in Healthcare Provider Basic Life Support.

Dr. Derr and his wife Sherri (CRNP) have three adult children residing from Florida to Boston and also have 2 grandchildren he enjoys spending time with. In his extra time, he loves to golf, travel, and stays current in medicine through journals and conferences.

Erika Dominick - CRNP

Erika Dominick is a Board-Certified Adult/Gerontological Nurse Practitioner. She began her career in health care by volunteering at York Hospital in Pennsylvania when she was just fourteen years old. Since that time, she has logged sixteen years of experience in various areas of patient care as a Certified Nursing Assistant, Licensed Practical Nurse, Registered Nurse, and Certified Registered Nurse Practitioner.

Read More

She has experience in a wide range of areas including home health, wound care, intensive care, pediatrics, elderly care, emergency room, and OB/GYN. Erika is specially certified in wound care, phlebotomy, advanced injection, platelet-rich-plasma (PRP), and extra corporeal shockwave therapy (ESWT).

In addition to her extensive clinical experience, Erika has an outstanding academic background that includes a Bachelor of Science in Nursing from Marywood University in Scranton, Pennsylvania and a Master of Science in Nursing from the Adult/Gerontology Nurse Practitioner Program at Wilkes University in Wilkes-Barre, Pennsylvania.

For many years, Erika observed how many health care professionals often resort to surgery and/or pain medication for patients with degenerative diseases, injuries, and acute or chronic pain. She is passionate about helping patients improve their quality of life while avoiding surgery and pain medication.

In Erika’s free time she enjoys spending time with her husband, their two young sons, and their dog, hiking, fishing, playing sports, and spending as much time outside as possible.

Erika’s combination of clinical education, experience, and love for exercise provide a strong foundation for the kind of holistic approach to patients that Erika feels is critical to exceptional patient care and optimal body functioning.

Pain Management Pittston PA Kate Szorady

Kate Szorady - Lead Patient Care Specialist

Kate Szorady is the Lead Patient Care Specialist at Core Medical. She earned a Bachelor’s Degree in Exercise Science from Baldwin Wallace University in Cleveland, OH. Kate has a diverse background in the medical field. She has gained experience and knowledge while working in rehab centers, hospitals, and urgent care.

Read More

Kate’s passion for helping others is what led her to Core Medical. At Core Medical, Kate works closely with patients to assist them in improving their quality of life and reaching their personal health goals. In Kate’s free time, she enjoys spending time with her family, friends, and her dog. She also enjoys being outdoors, playing sports, paddle boarding and volunteering.

Pain Management Pittston PA Marissa Voda Medical Assistant

Marissa Voda - Medical Assistant

Marissa Voda, Medical Assistant, has been with Core Medical since 2014 working part time and summers while carrying a full time school schedule. She is currently a Junior in the Nursing Program at Mansfield University in Mansfield, PA.  Upon receiving her nursing degree she plans to pursue a Master’s Degree as a Nurse Practitioner.

Read More

Marissa loves working with our awesome patients and watching them get out of pain and back to better health. She wants each patient to have the very best experience during their time in our care. Marissa is able to provide support throughout the clinic from working the front desk to providing assistance to the attending physician during treatments.

Marissa loves being outdoors, traveling, hunting, watching drag races, spending time with family and friends and her two cats, Tank and Archie.

Chiropractic Pittston PA Sandy Gehin

Sandy Gehin - Office Manager

Sandy Gehin, Office Manager, has managed medical clinics with Dr. Gehin for more than 12 years. Having worked as a Human Resources Manager in manufacturing, logistics/supply chain, and health care, Sandy has a passion to help people reach their goals, resolve challenges, and enhance their quality of life.

Read More

Sandy’s 25 plus years of combined Human Resources and Supervisory experience have given her a unique perspective which she brings to our growing team of professional providers and staff members. Together we share a genuine philosophy to serve our patients as individuals, to treat our patients like family and to offer the highest quality of health care services and products available.

Sandy is a native of Pennsylvania. She earned her Master’s degree of Human Resources Management from the University of Scranton and holds a Bachelor of Science Degree in Business Administration, a Bachelor of Science Degree in Human Resources Administration and an Associates’ degree in Psychology from King’s College of Wilkes-Barre.

Sandy resides in rural Pennsylvania with her loving husband and three kids who are currently full-time, college students majoring in Wildlife Management, Pre Med and Biochemistry. In her spare time, Sandy enjoys traveling, reading, and spending time with family.

Pain Management Pittston PA Alyssa Neare Patient Experience Specialist

Alyssa Neare - Patient Experience Specialist

Alyssa Neare is a Patient Experience Specialist at Core Medical. She earned her License for Practical Nursing at Wilkes-Barre Career and Technical Center. Alyssa has extensive experience in customer service, patient satisfaction and diverse experience in the health care field.

Read More

At Core Medical she works closely with our patients during each treatment session to ensure they receive the best care possible. Alyssa was drawn to work in the health care field while caring for her grandmother. In her free time she loves to spend time outside hiking with her dogs and spending time with friends.

Pain Management Pittston PA Marissa Makayla Voda Office Assistant

Makayla Voda - Medical Assistant

Makayla Voda, Medical Assistant, has been with Core Medical since 2017.  She works part time and summers while going to school full time.  Makayla is currently a freshman at the University of Scranton in Scranton, PA.  She is majoring in Biochemistry, Cell, Molecular Biology and Criminology.  Makayla plans to pursue a medical career in dermatology. 

Read More

Makayla loves assisting patients from initial scheduling to following up on their progress as patients receive treatment and start gaining their quality of life back. 

Makayla is an avid painter and participates in the Wyalusing Community Theater.  She loves to travel, read, bake and spend time with family and friends as well as her two cats, Tigger and Simba.


10:00am - 6:00pm

10:00am - 6:00pm

10:00am - 6:00pm

10:00am - 6:00pm

10:00am - 2:00pm



400 Route 315 Highway Suite A
Pittston, PA 18640

(570) 569-2250