Frank Lee, MD, is a family and emergency medicine physician with decades of experience. GLP-1 weight loss provider, specialist and coach He enjoys practicing medicine at North Tex MedCare Clinic and Urgent Care, which has convenient locations in Allen, Addison, Fort Worth, and San Antonio, Texas. He also provides telemedicine service and is able to see patients online all over the US. 

Dr. Lee earned his medical degree from the Universidad Autónoma de Guadalajara in Zapopan, Mexico, and New York Medical College in New York City. After graduation, he completed a residency at the University of Wisconsin Hospital and Clinics in Madison, Wisconsin.

He is now involved with weight loss speciality with GLP-1 weight loss and coaching and support.  Years of experience in telemedicine, primary care, urgent care and emergency medicine, Dr. Lee has extensive experience providing responsive care to patients. He has also treats patients for weight loss with todays current medication of Tirzepatide and Semaglutide. . He has been an advocate for telemedicine since it rose in popularity around 2008 and continues to integrate remote care into his work.

Dr. Lee’s well-rounded expertise also includes weight loss, primary care, urgent care. pediatrics, dermatology, and psychiatry, allowing him to provide primary care services for patients of all ages. He specializes in GLP-1 weight loss and maintenance, chronic disease management, cold and flu care, injury treatment, and other conditions that demand prompt attention.

Dr. Lee takes the time to understand each patient’s needs, ensuring his expertise aligns with their needs and goals.

Outside of work, Dr. Lee enjoys spending time with his family, traveling, learning new AI technology, attending trade shows and events and sporting events. 

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Dr. Umejei is a board-certified family physician specializing in comprehensive weight loss and metabolic care. She takes a personalized approach to health, focusing on sustainable lifestyle changes, nutritional optimization, and evidence-based treatments to help patients achieve their wellness and weight management goals. Whether you’re looking to improve your metabolism, manage chronic conditions, or achieve lasting weight loss, Dr. Nzenwa combines medical expertise with compassionate care to guide you every step of the way.

Yasir Ahmed, MD, is a dual-board certified internal and family medicine specialist at MyHomeDoc Telehealth, where he offers online virtual doctor appointments to patients across Texas.

Dr. Ahmed is a compassionate and highly skilled medical doctor who is deeply committed to the well-being of his patients. With a strong background in internal and family medicine, he provides a comprehensive approach and ensures that his patients receive the highest quality care. 

Dr. Ahmed earned his Doctor of Medicine from Ross University School of Medicine in Miramar, Florida. After graduating, he completed his internal and family medicine residency at Eastern Virginia Medical School in Norfolk, Virginia, where he was chief resident. 

Dr. Ahmed’s dedication to staying up-to-date with the latest medical advancements and his emphasis on patient education make him a trusted healthcare provider in his community. His warm and empathetic approach to patient care has earned him the respect and gratitude of patients and colleagues. 

Dr. Ahmed is adept at managing a wide range of medical conditions and collaborating effectively with a patient-centric approach to ensure his patients feel comfortable and informed during their medical journey.

Sunil Modi, MD of Express Family Clinic is board-certified in both family medicine and geriatrics, which means he’s with you every step of the way as you journey through life. His goal is to provide primary care to people in Allen, Texas and the surrounding communities. His practice is personal, experienced, up-to-date, and, above all, comprehensive.

Dr. Modi earned his medical and surgical degrees at B.J. Medical College in Ahmedabad, India. After graduating, Dr. Modi came to the United States and completed his residency at Temple University/Conemaugh Valley Memorial Hospital in Pennsylvania in family practice. He then completed his residency in geriatric medicine at the University of Pittsburgh Medical Center.

Not only is Dr. Modi certified by the American Board of Family Medicine and the American Geriatrics Society, but he also holds memberships in the American Medical Association, the American Academy of Family Physicians, and the Texas Medical Association.

Throughout his education and medical career, Dr. Modi has been recognized for his customer service and awarded Best Resident and Exceptional Role Model for his residency. Dr Modi is recognized as one of D Magazine’s 2025 Best Doctors in Collin County. Dr Modi also recognized by United health as United Hero for the year 2024.

Dr. Modi, who speaks English, Hindi, and Gujarati, lives in Allen with his wife and two boys. In his spare time, he enjoys listening to music, reading, and practicing yoga.

Pradeep Parihar, MD has devoted his medical career to family medicine, with a subspecialty in sports medicine, to help patients at Express Family Clinic in Allen, Texas, lead long and active lives. With a relationship-first approach, Dr. Parihar works with his patients, both young and old, to monitor their health through holistic and preventive practices that keep them functioning at their very best during every stage of life.

Dr. Parihar earned his medical and surgical degrees at Shyam Shah Medical College in India and then traveled to the United States, where he completed his residency in family practice at East Tennessee State University in Johnson City, Tennessee. Not stopping there, Dr. Parihar received a fellowship in primary care sports medicine from St. Vincent Medical Center in Los Angeles.

To stay abreast of the best medical practices, Dr. Parihar became certified by the American Board of Family Medicine, and he holds memberships in the American Academy of Family Physicians, the Texas Medical Association, and the Association of American Indian Physicians.

As a testament to his caring approach, Dr. Parihar has received awards from the American Registry for the Most Compassionate Doctor and Patient’s Choice Doctor. In 2016, he also received recognition as a World’s Top Doctor.

Melita Williams, MD, is a board-certified family and integrative medicine specialist practicing at Healing Hands Holistic Health in Plano, Texas. She offers patient-focused care for patients between the ages of 4-90. Her patients appreciate that she takes time to listen and answer questions about their conditions and treatment options. 

Dr. Williams has an extensive medicine-focused educational background. She graduated from the DeBakey High School for Health Professions in Houston, before earning her Bachelor of Science in pre-med/chemistry from the Xavier University of Louisiana in New Orleans. 

Returning to Texas, Dr. Williams then earned her medical degree from the University of Texas Medical Branch at Galveston. She served her family medicine residency at Christus Hospital - St. Elizabeth in Beaumont, Texas. 

Dr. Williams has a lifelong interest in medicine, specifically in identifying the conditions at the root of disruptive symptoms, after watching her mother live with the challenging health problems of systemic lupus. In addition to her conventional medical training, Dr. Williams has also studied alternative medicine at the Global College of Natural Medicine in Santa Cruz, California, and the Academy of Integrative Health and Medicine in San Diego. She’s board-certified by the American Board of Family Medicine and the American Board of Integrative and Holistic Medicine, and she also successfully passed the board certification exam for integrative medicine offered by the American Board of Physician Specialties. 

Outside of work, Dr. Williams enjoys reading, watching movies and spending time with her husband and two children.

Michael V. Tran, DPM, is a board-certified podiatrist and certified wound care specialist in Arlington and Dallas, Texas. With 20 years of experience, Dr. Tran serves the Dallas-Ft. Worth & Arlington, using a broad range of innovative foot and ankles treatments. From everyday foot and ankle ailment and trauma to diabetic and wound care. 

Dr. Tran first completed his undergraduate studies at Texas Christian University in Fort Worth, Texas. After graduating he enrolled in Dr. William M. Scholl College of Podiatric Medicine.  Upon graduation, Dr. Tran completed a three-year foot and ankle medicine and surgery residency in Pennsylvania and Ohio, where he treated thousands of complex foot and ankle disorders. He later sought advanced training in ankle arthroscopy, foot and ankle reconstruction, trauma, and complex deformity correction utilizing the Ilizarov External Fixation Method—used to treat a breadth of bone and soft tissue problems in patients.

With a strong interest in diabetic limb salvage, Charcot reconstruction, sports medicine, and flat foot correction, Dr. Tran ultimately continued his education and became a board-certified wound care specialist, giving him the skill and experience to treat his patients with the highest quality care possible.

Despite working on extremely complex cases, Dr. Tran treats every patient with the utmost care and respect. Whether they arrive at his office with an ingrown toenail or a complicated ankle deformity, Dr. Tran creates the perfect individualized treatment plan for any foot and ankle ailment.

Dr. Tran is always acquiring new techniques to treat his patients and shorten their recovery time. That’s why he created a new stem cell therapy technique for bunion surgery that leaves patients with minimal scarring. Under Dr. Tran’s care, patients can rest assured that they are in good hands.

Ricardo J. Martinez, MD, is the founder and medical director of ABC Medical Center. He is proud to provide a wide range of primary care and family medicine services to patients of all ages in Dallas, Texas.

Dr. Martinez was born in Guadalajara, Mexico, and he started his medical studies at the Universidad Autónoma de Guadalajara in Zapopan, Mexico. He then pursued specialized medical training and completed a residency in family medicine at Texas Southern University in Houston. He obtained his Texas Medical Board certification in family practice in 1995.

He takes an integrative approach to care and ensures each patient receives plenty of time during appointments. Dr. Martinez always answers patients’ questions about their condition and educates them on ways to improve their health.

He looks forward to meeting new patients and welcomes them to ABC Medical Center. To schedule an appointment with Dr. Martinez, call the office or book a consultation online today.

Dr. Monica Ramirez is a Dallas native who has just completed her residency at UT Health San Antonio.  She is excited to be back in Dallas and thrilled to be joining Southwest Family Medicine Associates. 

Dr. Ramirez pursued Family Medicine as it allows her to form trusting and long-lasting relationships with patients and their family members. She is a strong believer of the “whole person” approach which is at the heart of family medicine and an advocate of education and preventive medicine.

Dr. Prachi Thapar is a board-certified Family Medicine physician and a DFW native. She grew up in Flower Mound, TX, and graduated from Washington University in St. Louis. She completed her medical school education at the Texas College of Osteopathic Medicine in Fort Worth. Subsequently, Dr. Thapar completed her Family Medicine residency at UT Southwestern in Dallas, where she developed a robust clinical background and a deep understanding of patient care.

She became a Family Medicine doctor as it provided the opportunity to be on the frontline of preventive healthcare, working as a part of a collaborative effort to establish long-lasting relationships with patients of all ages and diverse backgrounds to understand their unique narratives. Her commitment to her patients goes beyond mere treatment; she strives to empower them and to work together towards a shared vision of equitable health and well-being.

Dr. Thapar also has a strong interest in structured healthcare advocacy efforts and is dedicated to addressing health disparities and promoting inclusive care that respects and acknowledges the varied experiences and needs of her patients.

In her free time, Dr. Thapar is an avid dancer and amateur painter. She enjoys reading the latest mystery novels, attempting to solve challenging crossword puzzles, and traveling.

A graduate of UT San Antonio, “Dr. J” (as she is known to her patients) joined us in 2004. Dr. Jaiswal heads our care coordination and outreach program that ensures the highest quality of care and customer service. She gets much joy in caring for those who are in need, and is known for her loving and compassionate bedside manners, especially when caring for the elderly. Her clinical emphasis is on managing hypertension and heart disease. Outside of work Dr Jaiswal enjoys spending time with family and friends.

 Sarah Ashitey, MD is board certified in Family Medicine and provides comprehensive care both for the individual and family. She brings a patient-centered personal touch into every encounter and believes that each patient’s unique story is central to the healing process and path to wholeness and wellbeing.

She obtained her medical degree from the University of Texas Southwestern Medical Center in Dallas and completed her residency at the esteemed John Peter Smith Hospital residency program. It is here that she gained the tools needed for broad spectrum family medicine as well as an unparalleled experience in procedural training.

Consequently Dr. Ashitey is able to offer her patients a wide array of services from her skill set including but not limited to chronic disease management, joint injections and dry needling, laser therapy and hormone therapy.

She heads up the Sexual Healing and Wellness programs at Southwest Family where we offer Adam and Eve packages using laser and PRP shots for Penile Enhancement and Vaginal Rejuvenation.

Dr. Sarah has an integrative philosophical background, so she works with the whole person to combine meds, and other natural modalities to get the best results.

In her spare time, she enjoys storytelling, travel, and playing tennis. She has a special interest in community health and development and lends her time outside of clinical hours to community-based research and various community health initiatives.

After completing her residency in 1999 at St. Paul’s Hospital in Dallas, Dr. Dharma single handedly grew her small medical practice into Southwest Family Medicine Associates (SFMA). As the medical director, she brings her passion for innovative and cutting edge technology to the practice, and worked to secure recognition of SFMA as a “medical home” from the National Committee for Quality Assurance (NCQA)-an elite accreditation which only 1,500 clinics in the nation hold. Dr. Dharma has a “no stone left unturned” philosophy to medicine, which has earned her a strong following of patients. She also believes that prevention is the key to good health, which lead her to establish our on-site wellness center in 2014. Her dedication to medicine is represented by the multiple board positions she holds, including president of her local chapter to being on the board of the national Texas of Physicians- (TAFP). As an associate clinical faculty member at UT Southwestern, she has taught medical student for over 15 years. In her spare time, she enjoys cross-fit, Capoeira martial arts, and spending time with ther family.

Dr. Prachi Thapar is a board-certified Family Medicine physician and a DFW native. She grew up in Flower Mound, TX, and graduated from Washington University in St. Louis. She completed her medical school education at the Texas College of Osteopathic Medicine in Fort Worth. Subsequently, Dr. Thapar completed her Family Medicine residency at UT Southwestern in Dallas, where she developed a robust clinical background and a deep understanding of patient care.

She became a Family Medicine doctor as it provided the opportunity to be on the frontline of preventive healthcare, working as a part of a collaborative effort to establish long-lasting relationships with patients of all ages and diverse backgrounds to understand their unique narratives. Her commitment to her patients goes beyond mere treatment; she strives to empower them and to work together towards a shared vision of equitable health and well-being.

Dr. Thapar also has a strong interest in structured healthcare advocacy efforts and is dedicated to addressing health disparities and promoting inclusive care that respects and acknowledges the varied experiences and needs of her patients.

In her free time, Dr. Thapar is an avid dancer and amateur painter. She enjoys reading the latest mystery novels, attempting to solve challenging crossword puzzles, and traveling.

Dr. Niti Randhawa is a Board Certified in Family Medicine and has been a practicing physician for 20 years. She is a proud native of Plano, Texas where she graduated from Plano Senior High School in 1988. She did her undergraduate training in pre-med at Baylor University in Waco, Texas where she earned a BA in Biology in 1992. She earned her medical degree from the University of Texas Health Science Center in San Antonio in 1996 where she was classmates with Dr. Chrisette Dharma. She then completed her residency in family medicine in 1999 at John Peter Smith Hospital in Fort Worth, Texas, one of the most prestigious family medicine programs in the state of Texas. 

Dr. Randhawa chose medicine as her lifelong calling at a very early age when it became clear that she had a deep desire to help others, especially those who suffered from illness and disease. Throughout her medical training and career, she developed a deep interest in combining traditional, natural medicine with proven complementary and alternative methods for healing. She continues to study and pursue this exciting side of medicine, because she feels strongly that both sides are necessary for helping patients to achieve optimal health and well-being. After completing her medical training, Dr. Randhawa was honored to work with a well known Complementary and Alternative Medicine physician in North Texas to hone in on this cutting edge aspect of medicine. Dr. Randhawa brings her insight and training to Southwest Family Medicine Associates so we can continue to offer our patients the most advanced medicine. 

When Dr. Randhawa is not working, she enjoys spending time with her husband, her son, and her dog, a 200-pound Great Dane. She enjoys traveling, exercising, playing the piano and has an ongoing quest and thirst for knowledge.