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Meet the Doctors
Father & Daughter
Our team
Co-Owner
DOCTOR OF CHIROPRACTIC
DR. ANDREW H. KRANTZ, D.C., F.I.C.A.
Specializing in spinal health, disc pathologies, motor vehicle accidents, therapeutic modalities, neuropathy, and overall wellness, Dr. Andrew Krantz has been in practice since 1978. He is a graduate of Life University and continues to serve as a Senior Professor of Clinical Sciences since 1976. Dr. Krantz has previously served as Division Chair, Department Head, and Chairman of the Admissions Committee at Life University. Currently, he chairs the Investigational Committee for the state of Georgia.
Dr. Krantz serves on the Georgia Board of Chiropractic Examiners as Vice President and previously served as the President of the board, as appointment by Governor Brian Kemp. The Georgia Board of Chiropractic Examiners is a six member board appointment by the Governor to protect, promote, and preserve the public health, safety, and welfare of the citizens of Georgia. Dr. Krantz is a certified EMS instructor for the state of Georgia.
Dr. Krantz has been awarded many distinguished honors throughout his career and continues to do what he loves most, by helping others.
Co-Owner
DOCTOR OF CHIROPRACTIC
Dr. Samantha Krantz, D.C., WEBSTER CERTIFIED, DOULA CERTIFIED
Dr. Samantha Krantz DC graduated with honors from the Honors College of Charleston, holding both a Bachelor of Science and a Bachelor of Arts on the pre-med track, Magna Cum Laude. She furthered her education at Life University, achieving Summa Cum Laude honors and earning her Doctorate of Chiropractic degree.
As a second-generation chiropractor, Dr. Krantz's journey into chiropractic care began early, receiving adjustments since birth and following in the footsteps of her father, Dr. Andrew Krantz DC. Dr. Krantz specializes in pregnancy, postpartum, and pediatrics, with a focus on providing comprehensive care to families. She has completed over 300 hours of additional education, working towards her diplomate with the International Chiropractic Pediatric Association. Certified in the Webster Technique, Dr. Krantz employs this specialized approach to optimize pelvic alignment and balance in expectant mothers.
Beyond her professional endeavors, Dr. Krantz extends her commitment to community health as a doula and CPR instructor for the American Heart Association. Her dedication to serving individuals of all ages, especially pregnant mothers and children, is rooted in her lifelong connection to chiropractic care, having received her first adjustment at just one minute old.
Dr. Mariah Wenglewski, D.C., CACCP, WEBSTER CERTIFIED,
Dr. Mariah Wenglewski is a dedicated pediatric and perinatal chiropractor passionate about supporting families through every stage of growth—from preconception and pregnancy to postpartum and early childhood. She holds her CACCP (Certified by the Academy Council of Chiropractic Pediatrics) accreditation through the International Chiropractic Pediatric Association (ICPA) and is Webster Certified, reflecting her advanced training in caring for pregnant mothers and developing infants.
Dr. Mariah graduated magna cum laude from Life University, where she developed a strong clinical foundation and a heart for family-centered care. She previously practiced in a specialized pediatric and perinatal chiropractic office in Seattle, where she gained extensive experience supporting moms and babies with gentle, neurologically focused chiropractic care.
She attended chiropractic school alongside Dr. Sam, where they also completed their pediatric and prenatal training together—forming not only a strong clinical foundation, but a lasting friendship. Now practicing side by side as a duo at Krantz Chiropractic, they bring a shared vision and deep trust into every patient interaction. Together, they have created a space that feels like family, where patients are cared for with intention, connection, and genuine support.
Dr. Mariah’s approach is rooted in creating a safe, supportive environment where families feel empowered, heard, and confident in their health journey. She is committed to helping each patient achieve optimal function and thrive naturally.
Associate Chiropractor
DOCTOR OF CHIROPRACTIC
Dr. Amanda Terraciano, D.C.
Dr. Amanda Terraciano, DC, earned her Doctor of Chiropractic degree from Life University in 2024 and holds a Bachelor of Science in Exercise Science from Kennesaw State University. During her time at Life University, she completed her clinical internship at Krantz Chiropractic Clinic, where she discovered her passion for serving families and supporting their health through chiropractic care. She always dreamed of rejoining the Krantz Chiropractic team — a goal that has now come full circle.
Since graduation, Dr. Amanda, DC, has worked at a chiropractic clinic in Alpharetta, where she developed a strong foundation in providing compassionate, patient-centered care.
At Krantz Chiropractic Clinic, Dr. Amanda, DC, is dedicated to helping individuals and families achieve optimal health through focused, evidence-informed chiropractic care. She is passionate about improving her patients’ mobility, function, and overall well-being so they can live life to the fullest.