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Nicholas Werth, PA-C, is a physician assistant. He serves patients in Glendale and Phoenix, Arizona, at the HealthyU Clinics Phoenix – 31st Ave. clinic and the Glendale – West Olive Ave. clinic.

Nicholas was born and raised in Minnesota. He attended the University of Minnesota in Minneapolis as an undergraduate, receiving his bachelor’s degree in physiology in 2015. He then completed his physician assistant training at Touro University Nevada in Henderson in 2021. After graduating, Nicholas moved to Phoenix and joined HealthyU Clinics in early 2022. 

Nicholas enjoys taking the time to provide education to his patients. He believes in employing shared decision-making with patients to ensure compliance with the treatment plan and to maintain patient autonomy. He is also passionate about mental health and enjoys working closely with the behavioral health management staff to help meet the needs of his patients. 

When he’s not seeing patients, Nicholas can find him spending time with his girlfriend and their dog, playing golf, watching sports, working on his car, cooking, or trying new restaurants.

I believe that the best healthcare comes from a partnership between myself and the people who put their trust in me. I encourage communication and strive to work with each individual to help them achieve their own goals for their health. The practice location in Scottsdale is now open and I look forward to welcoming new patients of all ages, genders and walks of life.

At Heartistry Nutrition, we treat the whole person rather than their chronic condition. Our approach focuses on individualized nutrition care. We work with your preferences, budget, and health goals to create a custom nutrition plan just for you.

Felicia, a graduate of Arizona State University with a Bachelor of Science in Nutrition, where she also attended a dietetic internship wellness track, brings a wealth of experience in addressing conditions such as high blood pressure, high cholesterol, and heart disease. She’s also the author of Dietetic Intern Guidebook: An Uncomplicated and Practical Guide to Nutrition Intervention, which provides an uncomplicated and practical approach to treat conditions like type 2 diabetes, hypertension, and chronic kidney disease.

Felicia is active in the industry and stays up to date on research as she is a member of multiple dietetic practice groups (DPG) including the Cardiovascular Health and Well-Being DPG, Diabetes DPG, Renal Dietitians DPG, and Healthy Aging DPG. She is also a member of the National Kidney Foundation, and the Central Arizona Academy of Nutrition and Dietetics.

At Heartistry Nutrition, we offer a free 20-minute telehealth consultation to discuss your health concerns and goals, whether you’re interested in  weight loss or need help managing your blood sugar levels or high blood pressure. We offer all our client’s a 75-minute initial consultation and 45-minutes follow-up appointments. During this time we'll discuss your medical history and health concerns in further detail, reviewing your lab values, and providing tailored nutrition plans without forcing diets, ensuring they fit your lifestyle and address your goals. 

We accept most major insurance including Aetna, Medicare, and Blue Cross Blue Sheild to make nutrition care affordable and accessible. Take the first step toward better health — schedule your free consultation today by phone or online.

Neha Maheshwari, MD is a board-certified family physician at Primary Care Walk-In Medical Clinic located in Fountain Hills, Arizona. Dr. Maheshwari has more than 15 years of experience specializing in pediatrics, women’s health, and primary care. 

Dr. Maheshwari earned her medical degree in 2003 from Lady Hardinge Medical College in New Delhi, India, and completed her residency in family medicine at the University of Missouri Department of Medicine in Columbia, Missouri. She also holds a master’s degree in business administration healthcare management. 

Dr. Maheshwari is passionate about education and is an avid instructor, training and mentoring students at A.T. Still University in Kirksville, Missouri, and at the University of Phoenix in Tempe, Arizona.

She has worked as a primary care physician and hospitalist at various clinics and hospitals in Arizona, including Dignity Health and Banner Health in Phoenix. Today, she is affiliated with Chandler Regional Medical Center in Chandler, Arizona. 

Dr. Maheshwari offers a variety of healthcare services at Primary Care Walk-In Medical Clinic, including women’s health and pediatrics and is certified to perform Department of Transportation (DOT) physicals. She also offers international travel consultations to help patients stay healthy while traveling.

Through active listening and thoughtful questioning, I am ready to deliver the high quality and holistic care that everyone deserves. I believe that my bedside experience as a nurse has allowed me to become more compassionate and dedicated to each patient. My background education and hospital experience has narrowed my focus in family practice, that includes the management of chronic medical conditions however I am prepared to treat any acute illnesses and complaints. Everyone deserves great care and I am ready to deliver it. God Bless you and hope to see you soon!

Dr. Ricardo La Grotta, MD is a primary care physician. He serves patients at HealthyU Clinics at our Chandler, Arizona clinic.

With over two decades of medical experience, Dr. La Grotta brings his passion and commitment to HealthyU Clinics. Motivated by the organization's dedication to prioritizing patients, he joins with enthusiasm and a belief that the clinic is truly upholding the oath in primary care by putting people first.

Having spent his formative years in diverse regions such as South America, the Caribbean, and the Pacific Northwest, Dr. La Grotta has cultivated a unique perspective. His focus on Primary Care and Urgent Care stems from a seamless blend of practical experience and scientific knowledge.

Although his family has been in the Pacific Northwest for four decades, Dr. La Grotta eagerly embraces Arizona as his new home. He looks forward to immersing himself in the beauty of the state, connecting with its vibrant communities, and indulging in the rich gastronomy that Arizona has to offer.

Michael Brady, DO, is a family medicine and primary care physician. He serves patients in Surprise and El Mirage, Arizona, at the HealthyU Clinics Surprise – Dysart Rd clinic. 

Dr. Brady started his medical career in the United States Navy, where he served as an independent duty diving medical technician. After retiring from the Navy, he worked as an orthopedic technician before attending medical school. 

Dr. Brady attended medical school at Midwestern University in Glendale, Arizona, followed by a family medicine residency at Abrazo Central Campus (formerly Phoenix Baptist Hospital) in Phoenix, Arizona. 

Dr. Brady began working for HealthyU Clinics in 2022. He enjoys seeing patients of all ages and likes to incorporate osteopathic principles in the treatment of his patients, including manual manipulation when appropriate.

When he’s not seeing patients, Dr. Brady enjoys traveling with his wife, riding bicycles and motorcycles, and working on his vehicles. 

Michael J Willcox, MD, was born in Oregon and was raised nearby in Glendale, Arizona. He graduated from Arizona State University with a BS in Kinesiology before completing his doctorate at Tulane University School of Medicine in New Orleans, Louisiana. He completed a Transitional Year Internship at Tripler Army Medical Center in Honolulu, Hawaii and Family Medicine Residency at Martin Army Community Hospital on Fort Benning, Georgia. He is Board Certified with the American Board of Family Medicine and the American Board of Obesity Medicine. He has been a practicing physician since 2018.

He served as an Army flight surgeon with the 1st Combat Aviation Brigade and deployed in support of Operation Atlantic Resolve. He has extensive experience caring for service members, veterans, and their families in the field, outpatient clinics, ERs, hospital wards, and ICUs.

Dr. Willcox focused his medical practice on geriatrics because he enjoys patients' desire to develop a trusting relationship and greater continuity of care compared to other age groups. He enjoys working with patients to find treatments that best align with their personal goals and optimize their quality of life, particularly when care can be simplified or reduced to achieve better outcomes.

Dr. Willcox, his wife, and three active children love spending time with their numerous family members in the Valley of the Sun. They love the outdoors, water sports, running, and skiing.

Seokhan Kyle Song D.O. is a board-certified family medicine physician who believes great care starts with listening. With years of experience providing full-spectrum care—from everyday checkups to managing chronic conditions and performing in-office procedures—he offers evidence-based care tailored to each person’s needs. He has a special interest in preventative health, wellness, and making sure his patients leave the clinic feeling informed and confident about their care.

Dr. Song served for 12 years in the Virginia Army National Guard as a combat medic and field surgeon, caring for hundreds of soldiers in multiple deployments overseas. That experience taught him the importance of staying calm, focused, and compassionate—skills he brings to every visit today.

He was born and raised in New York. He earned his medical degree from Edward Via College of Osteopathic Medicine and also holds a Master’s in Physiology from Virginia Commonwealth University. He is fluent in English and Korean and loves working with individuals and families from all backgrounds.

When he’s not in the clinic, Dr. Song enjoys life at home with his wife, three kids, and two cats. His hobbies include golfing, hiking, building reef aquariums, assembling Lego sets (sometimes with his kids, sometimes not), playing board games, and watching movies.

Patients describe him as approachable, thorough, and someone who makes them feel at ease—whether it’s a routine visit or something more complex. Dr. Song looks forward to getting to know you and being part of your health journey.

Umesh Narayanan, M.D. is a native of Tampa, Florida. He completed his undergraduate studies earning a Bachelor of Sciences at the University of Florida in Gainesville, Florida (Go Gators!). He completed his medical school at Saba University School of Medicine in the Dutch Caribbean. He completed his Family Medicine Residency training at the University of North Dakota in Minot, North Dakota. He then went on and completed a Geriatrics Fellowship at the University of Arizona Geriatrics program here in Sun City, Arizona. He loved the area so much and has found permanent residence in Phoenix, Arizona. He is Board Certified in Family Medicine through the American Board of Family Medicine and is Board Certified in Geriatric Medicine through the American Board of Internal Medicine. He is also an academic preceptor for the geriatric fellowship program through University of Arizona/Banner Health. He has fellows and residents rotate with him once a week.
He is married. His wife is a Physician Assistant in Dermatology in the area. In his spare time, he is an avid sports fan and enjoys watching and playing football, basketball, and baseball. He also enjoys hiking. Traveling the world and trying various cuisines is his passion.

Siomara Hercules is a certified Nurse Practitioner with over eight years of nursing experience in orthopedic trauma, palliative care, and colorectal surgery. Her diverse clinical background has shaped her into a well-rounded provider who approaches patient care with empathy, attention to detail, and a deep respect for each individual’s unique health journey. 

Siomara earned her Bachelor of Science in Nursing from Grand Canyon University and her Master of Science in Nursing from United States University. She chose to specialize in urology because of her passion for helping patients feel comfortable, informed, and empowered—especially when navigating personal and often sensitive health concerns. 

Fluent in both English and Spanish, Siomara is committed to creating a welcoming and inclusive environment for all patients. 

Outside of work, Siomara is a proud mom of three and can often be found cheering from the sidelines at her kids' sports games or exploring new restaurants around town. She brings the same energy, warmth, and curiosity to her personal life as she does to every patient encounter.

With over two decades of clinical experience and a distinguished career as a Navy Medical Officer, Dr. Bragg brings both expertise and heart to her work in Family Medicine.  A proud graduate of Louisiana State University Health Sciences Center School of Medicine in Shreveport, she brings years of experience and training in all aspects of primary care, with a special focus on preventive care and chronic disease management.  Dr. Bragg takes a deeply compassionate approach to medicine, treating every patient with the same attentiveness she would offer a member of her own family—listening with respect, treating with skill, and always striving to understand the person behind the symptoms.

Guided by the belief that medicine is a partnership, Dr. Bragg empowers patients to take an active role in their healthcare journey—serving not just as a physician, but as a trusted guide and advocate in helping patients navigate the often-complex healthcare landscape, stay proactive in their health maintenance, and find comfort and clarity during times of illness.

A lifelong learner and dedicated caregiver, she finds joy not only in providing the highest quality healthcare, but in connecting—whether through meeting new people, seeking new ideas, or exploring new corners of the world. Outside of the clinic, Dr. Bragg enjoys travelling, baking, and spending time with her family. Her greatest joy comes from being with her grandchildren, whose laughter and energy inspire her every day and keep her feeling young at heart.