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let's meet our

Dr. Mark A Kostow at iHeart Radio Studio

Spring 2017

Dr. Kostow Wellness and Weight Loss has become one of Central Pennsylvania's best places to go for the health and wellness you deserve.   After 25 years in business, Mark Kostow, D.C.  is pleased to offer expanded services to provide clients with natural weight loss, chiropractic care, detoxification, and rejuvenation, in a warm, comfortable setting to ensure a wonderful experience.


People around the world are recognizing the benefit of seeking an alternative to traditional medicine; one that will help them achieve and maintain optimal health without requiring invasive treatments such as surgery. Please take the time to meet Dr. Kostow and our team of chiropractic and wellness care professionals dedicated to helping you achieve your wellness objectives.  As a patient at Dr. Kostow Wellness & Weight Loss, we will personally tailor a chiropractic, wellness and weight loss program specifically targeted to your needs using the least invasive yet highly-effective techniques and services.


Mark A. Kostow, D.C.


From 1986 to 1993, Dr. Kostow worked as an athletic trainer for the NFL's Philadelphia Eagles. Upon receiving his degree as a Board Certified Doctor of Chiropractic, he became the Chiropractic Consultant for the Philadelphia Eagles from 1993 until 1996.  Through his years working with the Philadelphia Eagles, he owned and operated a chiropractic clinic in Wilmington, DE from 1993-2000.  


In the fall of 2000, Dr. Kostow opened Kostow Chiropractic in Hershey, PA, where he has been serving the community with his passion for seeing people reach their personal healthcare goals through wellness and weight loss.  


Dr. Kostow resides in Lebanon, PA with his wife, Lori, and daughters, Annalia and Faith. He was born and raised in Wilmington, DE and received a Bachelor of Science Degree in Athletic Training from the University of Delaware.



Meet the Team


Bonnie Drobenak

Wellness Coach


Bonnie has been with the ​team since 2015.  She loves the clients and staff at Kostow Wellness & weight Loss and strives to make everyone feel like family. As Clinic Director, she wants both clients and staff to feel at home, comfortable, and satisfied. The best part of her job is when she sees the happiness that comes as a result of the client-centered services and programs offered at Kostow  Wellness & Weight Loss.

Bonnie is married,  has two daughters and lives in Hershey.  She has been in the medical field since 1983 as an administrative medical secretary and owned her own medical transcription business for 10 years. She is inspired by helping others to achieve their wellness goals and improve their overall heath.


Annalia Kostow

Digital Marketing
Wellness Tech


Our newest team member, Annalia, joined our staff in the fall of 2020 after graduating from Kutztown University with a degree in Sport Management.  She is Dr. Kostow's oldest daughter and an asset to our team.  She will mainly contribute her talents with social media marketing to our weight loss program.  As a collegiate golfer, she understands the commitment it takes to be successful in achieving your goals.  She loves working in our wellness practice because of the fun, inviting atmosphere and is learning job skills that will last a lifetime.

In her free time, Annalia loves to golf and spend time with her family and friends, especially with her chocolate lab, Shep.

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Lori Kostow

Digital Marketing
Wellness Tech & Coach


In addition to being happily married to Dr. Kostow for 26 years, she wears many different hats at Dr. Kostow Wellness & Weight Loss - such as working behind the scenes in administration, marketing, maintaining the website, monthly email blasts, and much more.   You may even see her serve as a wellness tech when she is pulled off the bench to fill in for staff members. 

In 2020, she became an ambassador for Plexus Nutritional Products.  If you're interested in trying some products, here is a link to order samples:  

Nothing gives her more satisfaction than helping others reach their goals and be a small part of their successes.  

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Cindy Schnelly

Front Desk Receptionist

Cindy joined our team in June 2021.  She currently manages the front desk duties and is in training to become part of the wellness coaching team.  She is very excited to be working with Dr. Kostow and his knowledgeable and caring staff.

Cindy resides in Myerstown, is married with 3 grown children and 3 grandchildren.  In her free time, she enjoys spending time with family, friends, reading, shopping and the beach.  

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