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Convenient Care Close to Home

Taking Care of Your Health, Together

Bringing together skilled physicians who span the range from primary care to specialized medicine, the Methodist Medical Group is devoted to providing the full spectrum of care to the North Texas community. From virtual visits to concierge medicine, aches and pains to surgery - our team is ready to assist you with your healthcare needs with the backing and resources of the entire Methodist Health System. You're never alone with Methodist Medical Group.

Learn more about our Telehealth and Virtual Visit Options

Care Team Spotlight
  • Mohamad J. Halawi, MD

    Mo Halawi, MD, is the Medical Director of the Total Joint Replacement Program at Methodist Dallas Medical Center. He is a strong believer in patient-centered surgery, utilizing a variety of surgical approaches, implants, and evidence-based pathways to optimize the outcomes for each patient. He is skilled in minimally invasive, robotic, and rapid recovery techniques, and has been a pioneer in same-day and opioid-free ...

  • Wisam Nachawati, DO

    Wisam “Sam” Nachawati, DO, began his journey in the medical field in 2005, initially as a physician assistant. After 10 fulfilling years in practice, Dr. Nachawati was inspired to pursue his ultimate dream of serving his patients as a family medicine physician. He earned his Bachelor of Science and Master of Physician Assistant Studies degrees from the University of Texas Southwestern Medical Center at Dallas. He ...

  • Mary A. Weaver, MD

    Board certified in family medicine, Dr. Weaver earned her medical degree at Texas Tech University Health Sciences Center, School of Medicine, Lubbock, TX. She completed her residency at McLennan County Medical Education and Research Foundation/Waco Family Medicine Residency Program. When Dr. Weaver is not at work, she enjoys spending time with her family, traveling, gardening, and cooking.

  • Kate O'Connor, FNP-C,MSN,APRN,FNP-C

    Dallas native, Kate O’Connor MSN, APRN, FNP-C, is a family nurse practitioner who has served patients in multiple capacities in the medical field since 2007. Ms. O’Connor earned both her undergraduate and graduate degrees from the University of Texas at Arlington: College of Nursing and Health Innovation. Certified by the American Association of Nurse Practitioners, Ms. O’Connor treats patients of all ages facing a ...

  • Charles J. Lostak, DO

    Charles Lostak, DO, is a veteran gastroenterologist who has been on the medical staff of Methodist Health System since 1992. He earned his bachelor’s degree in chemical engineering at the University of Colorado Boulder. He went to work as a petroleum engineer for several years before entering medical school. Dr. Lostak received his Doctorate of Osteopathic Medicine from Oklahoma State University Health Sciences ...

  • David Didlake, NP

    David Didlake, NP, is a nurse practitioner who is passionate about providing patients with the upmost quality care. Mr. Didlake, completed his undergraduate degree in Nursing at the University of Texas at Tyler. He earned his Master in Nursing from the University of Texas at Arlington. Mr. Didlake is certified as an advanced practice registered nurse by the American Nurses Credentialing Center and the Texas Board of ...

  • Philip O. Oladeji, MD

    Dr. Philip Oladeji is a highly skilled, fellowship-trained orthopedic surgeon, offering advanced care in hip and knee replacements, including revisions, complex joint replacements, and partial knee replacements. His expertise extends to fracture management, and he is particularly passionate about robotic-assisted joint replacement surgery. Dr. Oladeji is proficient in both anterior and posterior approach hip ...

  • Kimberly A. Misamore, MD

    Kimberly Misamore, MD, knew when she delivered her first baby in medical school, she had found her career in medicine and no other specialty could compare. As an OB/GYN, she loves the mix of procedures and being able to see patients throughout their lives. After over a decade of practicing in Mansfield, her favorite part is still delivering babies. Her goal is to make patients and their families feel comfortable, ...

  • Ashley N. Pirisino, MD

    A graduate of Ross University School of Medicine, Dr Pirisino completed her residency at UT Southwestern. Dr. Pirisino is a new physician with a new practice, so patients will find it is easier to get an appointment on her schedule. She is building a new home in Waxahachie and is excited to live in the community she serves.

  • Elizabeth Rodriguez, PA-C

    Elizabeth Rodriguez, PA-C, is a board-certified physician assistant who has been in practice since 2021. She specializes in preventive medicine through screenings, health maintenance, and education. Certified by the American Academy of Physician Assistants and the National Commission on Certification of Physician Assistants, Ms. Rodriguez is able to treat patients with a wide range of issues, however, she has a ...

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