Meet the Physicians Behind The Functional MDs in Indiana

Meet Dr Sanna Singh, MD, DABOM, FMACP

Double Board-Certified in Internal Medicine & Obesity Medicine

Advanced Training in Functional & Integrative Medicine

Dr. Sanna Singh is a double board-certified physician with over 13 years of clinical experience and advanced training in functional and integrative medicine. Her areas of focus include hormone health, metabolic conditions, and functional fertility, working with both men and women across a wide range of hormonal and endocrine concerns. She routinely evaluates and manages cases involving perimenopause, menopause, low testosterone, adrenal dysfunction, and reproductive challenges, bringing a structured, lab-informed approach to diagnosis and treatment planning.

Her background in both conventional and functional medicine allows her to design personalized strategies that integrate bioidentical hormone therapy, nutrition, lifestyle modification, and metabolic support. She is known for her clinical precision, calm demeanor, and ability to work with patients at various stages of their health journey, from those navigating complex hormonal shifts to those seeking long-term optimization and preventative care.

Megan McCarthy, FMACC

Office Manager & Certified Functional Medicine Health Coach

Megan is a certified Functional Medicine Health Coach with a passion for helping you uncover how capable your body is of healing. She brings a whole-person approach, supporting your physical, mental, and emotional health through personalized strategies that are sustainable, practical, and deeply empowering.

You’ll work with Megan to translate your physician-led protocol into real-life action, from nutrition and sleep to mindset, stress, and daily rhythm. Her coaching style is grounded in grace, structure, and consistency, helping you build momentum without overwhelm or perfectionism.

Whether you're working to increase energy, reduce inflammation, balance hormones, or create healthier habits, Megan is here to ensure you feel supported, seen, and equipped every step of the way.

Outside the clinic, she’s often cooking nourishing meals, spending time in nature, or adventuring with her husband and toddler. Above all, Megan is here to walk with you as you move toward your full potential, body, mind, and spirit.

Laura Graefnitz

Certified Functional Medicine Health Coach

Laura is a board certified Functional Medicine Health Coach with experience supporting patients facing complex and chronic health concerns. She works closely within our physician led model to help patients implement clinical plans with clarity, structure, and accountability.

With a background in education from Purdue University and prior experience in Physical Therapy supporting postpartum recovery, Laura understands the physical, emotional, and behavioral layers of healing. Her coaching integrates behavior change science with practical lifestyle strategy.

Within our practice, she supports patients managing metabolic dysfunction, hormonal imbalance, inflammation, and lifestyle driven conditions. Laura is known for her steady presence, attention to detail, and ability to help patients move from overwhelm to forward momentum.

She believes sustainable transformation requires partnership, consistency, and disciplined action, and she is committed to walking alongside patients throughout that process.

Chiante Benning

Phlebotomist

Chiante Benning is an experienced healthcare professional with 24 years of dedicated service in the medical field. As a skilled phlebotomist and phlebotomy instructor, she combines extensive hands-on expertise with a passion for educating the next generation of healthcare professionals.

For the past year, Chiante has been teaching phlebotomy, where she emphasizes not only technical skill and patient care, but also the critical role that accurate blood collection plays in diagnosis and overall health. She firmly believes that quality healthcare begins with a precise and compassionate blood draw, as it serves as the foundation for medical decisions and treatment plans.

Known for her professionalism, attention to detail, and commitment to patient comfort, Chiante strives to make every patient experience positive while instilling confidence and competence in her students.

Outside of her professional work, she enjoys spending time with her family and traveling, embracing opportunities to create meaningful memories and explore new places.

Get The Care You Need From The Comfort Of Your Home Through Our Telehealth Options

The Functional MDs offer physician-led functional medicine care through secure telehealth, delivering the same root-cause, personalized approach as in-office care.

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