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About

Mission Statement

Our Mission Icon

Our Mission

Impact Medical Group is a progressive, multi-disciplinary medical practice dedicated to making a positive impact on the lives of every patient we have the pleasure of treating. We strive to improve overall health, happiness and well being of our community.

Our Vision Icon

Our Vision

To impact our patients quality of life by providing the best care. To have a positive impact by inspiring healthier communities.

Our Values Icon

Our Values

Patient Commitment: We strive to make a positive impact and difference in our patients’ lives.

Quality Of Care: We strive to provide outstanding patient care and be givers of our time, resources and skills.

Integrity: We uphold the highest standard of integrity in all of our actions.

Innovation: We investigate and incorporate effective and state of the art treatment solutions for our patients.

Injury To Rehabilitation To Recovery To Optimizing Health

Your One Source For Optimal Health

Our Medical Professionals

Dr. Brian Wolstein, CEO

Dr. Brian Wolstein

CEO

Dr. Tina Marie DiGiovanni

Dr. Tina Marie DiGiovanni

DC

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Dr. Brian Trieb

Dr. Brian Trieb

DC

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Dr. Sean Woodward

Dr. Sean Woodward

DC

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Dr. Joseph Little Headshot v3

Dr. Joseph Little

DC

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Dr. Dalton Becker

Dr. Dalton Becker

Chiropractic Physician

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Dr. Shackleton Stewart Photo

Dr. Shackleton Stewart

Chiropractic Physician

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Dr. Robert Gruber, DO

Dr. Robert Gruber

DO

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Dr. Alisha Churchill

Dr. Alisha Churchill

DPT

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Dr. Samantha Gach, DPT

Dr. Samantha Gach

DPT

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Dr. David Wolstein Headshot V2

Dr. David Wolstein

Medical Director

Dr. Sheryl Haynes v2

Dr. Sheryl Haynes

Medical Director

Melina Magistri v2

Melina Magistri

APRN

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Alicia Sanchez, Business Development

Alicia Sanchez

Business Development

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Patricia Sepulveda, Business Development

Patricia Sepulveda

Business Development

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TJ Hoban

TJ Hoban

Director of Anti-Aging 

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Dr. Tina Marie DiGiovanni

Dr. Tina Marie DiGiovanni

DC

Dr. Tina Marie DiGiovanni has been practicing in the field of Chiropractic Medicine for over a decade.  She graduated summa cum laude from Rutgers University with both a bachelor's and master's degree in Biology.  She has been a member of the National Honor Society, Rutgers University Honors Program and received the Gerard S. Weissman Award for independent research in Biology.  Dr. DiGiovanni also ran track and cross country while attending Rutgers University.  She was awarded NJAC first team all conference in women's cross country and track and field.  During her running career, she suffered from numerous injuries which led her into the field of chiropractic.  It was through chiropractic treatment that she was able to regain strength, mobility, and restore overall function.  Thus, she was inspired to become a chiropractor to help others do the same.

Dr. DiGiovanni graduated cum laude from Palmer College of Chiropractic, Florida Campus.  After graduation, she moved to Illinois to work in an athletic based practice.  She has since had a great deal of professional experience working in personal injury and alongside pain management, orthopedic and PCP physicians.  Dr. DiGiovanni is also passionate about education especially when it comes to teaching future chiropractors to become exceptional health care providers and, therefore, was a faculty clinician at Palmer College of Chiropractic, Florida Campus.

Dr. DiGiovanni values her patients' overall well-being and is highly committed to providing outstanding patient care.  She is well trained in a variety of adjusting techniques and implements functional movement technique which offers structural support while assisting in correcting joint problems and reducing pain.  Dr. DiGiovanni is also certified in Manipulation Under Anesthesia.  In her spare time, Dr. DiGiovanni loves to be social, stay active, and continues to run on a consistent basis.  She also loves animals and enjoys spending time with her dog and with friends.  Her personal mission is to educate and inspire others to live full, dynamic lives.

Dr. Brian Trieb

Dr. Brian Trieb

DC

Dr. Brian Trieb is a native of Sarasota, FL who has been practicing chiropractic for a decade. He graduated cum laude with a bachelor’s degree in exercise science from Florida State University. After a snowboarding accident that injured his back, he found himself on the patient side chiropractic. Amazed with the quick results and improved overall well-being he decided then that he wanted become a chiropractor to be able help others restore their quality of life. Dr. Trieb then attended and graduated from Palmer College of Chiropractic Florida - magna cum laude. His practice of chiropractic is tailored to the individual needs and goals the patient in front of him in order to have a balance of research based standards without overlooking patient preferences and values. He incorporates chiropractic adjustments, manual therapy and movement based rehab to achieve these goals. Dr. Trieb is certified in manipulation under anesthesia which is an extremely powerful tool to help relieve chronic pain where other treatments have failed. During his free time, Dr. Trieb can be found spending quality time with his family and friends, traveling and exploring new places, or most likely playing ice hockey.

Dr. Sean Woodward

Dr. Sean Woodward

DC

Dr. Sean Woodward was born and raised in Saint Petersburg, Florida. He attended Northeast High School and graduated in 1996.  He then went on to obtain a Bachelor of Arts degree in Gerontology from the University of South Florida. Following that, he earned his Doctor of Chiropractic degree from Palmer Chiropractic College of Florida in 2005. Dr. Sean is well versed in multiple Chiropractic techniques and has dealt with many musculoskeletal related issues throughout his career.

Dr. Sean is also licensed to practice acupuncture as he holds a fellowship from the International Academy of Medical Acupuncture. He is a certified medical examiner with the Department of Transportation.

Dr. Sean is married and has one son. When he is not in the office, he is either out watching his son play baseball or finding an adventure with his family. He enjoys swimming, biking and running and has competed in many triathlons.

Dr. Joseph Little

Dr. Joseph Little Headshot v3

DC

Dr. Joseph Little has extensive clinical experience in the fields of whiplash-associated disorder, motor vehicle injuries, spinal trauma, post-concussion syndrome, traumatic brain injury and post-traumatic headaches.

Throughout his career, Dr. Little has had the opportunity to travel around the country working with a wide range of complex, unresolved neurological and chronic pain conditions.

Using a multi-modal approach and cutting-edge diagnostics, he and his colleagues at Impact Medical Group work to develop an individualized plan tailored to each patient's unique condition to address the underlying cause of their symptoms.

When not seeing patient Dr. Little enjoys focusing on the four F's: Family, Friends, Fishing, and Football.

Dr. Dalton Becker

Dr. Dalton Becker

Chiropractic Physician

Originally from Douglassville, PA, Dr. Dalton Becker graduated with a B.S. in Biology from Indiana University of Pennsylvania. As an undergrad he competed as a dual collegiate athlete in ice hockey and rugby while also participating in ROTC. He was introduced to Chiropractic by his team trainer who was instrumental in helping him recover from injury and maintain his overall well-being. Dr. Becker then attended and graduated with his Doctorate of Chiropractic from Life University in Atlanta, GA. while also serving as an Officer in the Pennsylvania Army National Guard. Dr. Becker comes from a family practice background where he assisted in seeing upwards of 500 patients a week. Dr. Dalton Becker is highly proficient in gentle instrumentation and manual manipulative chiropractic techniques. He is extremely committed to the care of his patients and uses clinical research along with integrated modalities and therapeutic exercises to not only reduce pain, but to improve his patients overall quality of life.

Dr. Shackleton Stewart

Dr. Shackleton Stewart Photo

Chiropractic Physician

Dr. Shackleton was born and raised in South Africa until his family immigrated to the Tampa area in 2009. Dr. Shackleton graduated from Palmer College of Chiropractic in Davenport, Iowa. While at school, he played for and captained the Men's Rugby team on scholarship.

After graduating he worked in pain management and wellness care for some time, developing the skills necessary to take care of patients in severe pain.

His love for chiropractic stems from dealing with and managing sports related injuries. He thoroughly enjoys working with individuals in any level of pain that have the desire and drive to feel better. He is a big exponent of evidence based care and will perform and recommend any treatment that will sincerely benefit you.

Dr. Robert Gruber

Dr. Robert Gruber, DO

DO

Dr. Gruber is a board-certified PM/R physician, specializing in interventional pain management, who has had the pleasure of serving the Tampa Bay community for more than 30 years. He takes the utmost pride in providing the highest quality of spinal care with the highest level of compassion available. He has served as Medical Director of multiple local "world class" spinal practices, and is skilled in functioning as a lead member of multidisciplinary team approach to managing spinal disorders. Throughout his career he has collaborated with multiple spinal care specialists to coordinate an optimal treatment plans for patient suffering from the widest variety of spinal conditions, ranging from soft tissue injuries to complex disorders such as spinal stenosis. Through careful analysis of each patient's condition, he can identify the primary cause of a patient’s pain and direct the optimal application of treatment options available, ranging from chiropractic care to surgical intervention. His devotion to quality care is evidenced by functioning as Fellowship Director for physicians throughout the country training in the performance of interventional spinal procedures and co-authoring numerous articles in the literature related to optimizing spinal care practices and outcomes. Dr. Gruber currently has devoted his entire practice to the provision of diagnostic and therapeutic care for patients suffering the consequences of the multiple causes of spinal trauma.

Dr. Alisha Churchill

Dr. Alisha Churchill

DPT

Dr. Alisha Churchill began her career in physical therapy having earned her A.S. as a physical therapist assistant in Chattanooga, Tennessee in 1999. In 2005, she moved to Tampa, Florida with her family and pursued her B.A. in Business with a concentration in Healthcare Management from American Intercontinental University. WIthin her 15 years of diverse experience in patient care, education, and management, she decided to advance her education in Physical Therapy. She graduated with a Doctorate in Physical Therapy from Nova Southeastern University in Tampa, Florida in 2016.

Dr. Churchill's areas of expertise is in treating a wide range of diagnosis in the outpatient setting including sports/orthopedic conditions, spinal dysfunction, lymphedema, women's health and vestibular conditions as related to functional mobility. She is currently registered to pursue a certification in dry needling with the American Academy of Manipulative Therapy (AAMT) in August 2022.

Dr. Churchill is a proud mother of two and in her spare time she enjoys reading, DIY projects and outdoor adventures.

Dr. Samantha Gach

Dr. Samantha Gach, DPT

DPT

Dr. Samantha Gach, DPT is a physical therapist from Kansas City, MO. She got her Doctorate in Physical Therapy from Maryville University, and moved to Tampa not long after. She decided to pursue a career in physical therapy after a shoulder injury from swimming in high school. She was quickly amazed by how much faster she was in the pool again compared to her teammates that got injections or surgery first. Sam believes movement is medicine and looks forward to getting people back to their active lives. In her free time she enjoys competing in Crossfit, weightlifting, and kayaking with her dog.

Melina Magistri

Melina Magistri v2

APRN

Melina is a native Floridian who has been in the healthcare industry for over 12 years. She has experience working in integrative clinics, providing large joint and trigger point injections. Melina received both her Bachelor’s and Master’s degree in Nursing from the University of South Florida, where she graduated with Honors. She is currently enrolled in her Doctorate of Nursing Practice program at the University of South Alabama. She is board certified by the American Academy of Nurse Practitioners and is an active member in the Sigma Theta Tau Nursing Honor Society. Melina believes in a “whole body” approach to medicine which focuses on the entire patient, rather than a single symptom. She has trained extensively in platelet rich plasma therapies for use in aesthetics as well as musculoskeletal conditions. She is also a certified BOTOX and dermal filler provider. She has a passion for regenerative medicine, research, aesthetics, and orthopedics. Melina resides in Lakewood Ranch and enjoys traveling and reading in her spare time. 

Alicia Sanchez

Alicia Sanchez, Business Development

Business Development

Alicia Sanchez was born in Madrid, Spain and grew up in Atlanta, GA.
She has worked in the industry since 2006, and her focus is to develop new accounts and manage existing ones. She also manages trial attorneys specializing in the personal injury field. Alicia travels locally to promote services and request referrals, becoming familiar with all of the local law partners and associates. She promotes each location by setting up networking events, including golf outings, and has joined/supported businesses, professionals and local organizations. Alicia initiated a network of medical specialists outside of the practice to complement the business as well.

Patricia Sepulveda

Patricia Sepulveda, Business Development

Business Development

Patricia Sepulveda is originally from San Juan Puerto Rico, but she was raised right here in Tampa Fl. She started in the medical field early on when her mother owned several Assistant Living Facility. She went on to get her administers license in assisted-living where she helped manage both facilities. Her Next career move was to work in home care. Patricia grew a quick reputation for helping start up companies in the area. She was very involved in attaining insurance contacts, getting on preferred vender list and building relationships with assisted living facilities. She has worked extensively with Hospitalist groups in Hillsborough county to include helping bridge the relationships between them and Senior Living communities. Patricia has also played a role in Care Coordinating for a company in Tampa fl. And was over 9 facilities in 3 counties. She worked extensively with senior centers and assisted living to educate them on health and safety issues. She also coordinated action plans if seniors needed assistance at home. With more than 20 years of business development and sales and marketing Patricia‘s passion is relationship building. Her first language is Spanish. She enjoys her family time, traveling, cooking, and party planning. And she is the grandmother to six grandchildren.

TJ Hoban

TJ Hoban

Director of Anti-Aging

Anti-Aging Expert, Award Winning Certified Sports Nutrition Coach, 2021 WBFF Fitness World Champion

TJ has been one of the most sought after health and fitness professionals for over twenty years. His experience and proven methods led him to working with greats like Arnold Swarzennager, Sylvester Stallone, Susan Somers and many others. He’s been featured on the cover of over 200 fitness magazines, seen in over 50 films and TV shows, including documentaries like The Perfect Physique, Growing Young, Aging Evolution with Lou Ferrigno and Mark Cuban, Supps The Movie, Access Muscle and more. And at the age of 50, used his expertise to take on men half his age to become a fitness world champion. With a BS in Finance, he also went on to study law, founded and formulated a sports nutrition company, founded longevity medical clinics and now heads Anti-Aging at Impact Medical Group.