Our Doctors

Doctors By Location

Dallas Site Physicians:


JOE BLUMENAU, M.D., F.A.A.F.P. serves as the Director of Medical Research for Research Across America (RAA) and is a full-time research physician.  He has conducted over 100 clinical trials with RAA over the last 13 years. Before directing his full-time efforts to medical research, Dr. Blumenau had a successful and well-established family practice in the North Dallas Area. Dr. Blumenau is a Fellow of the American Academy of Family Physicians and licensed by the Texas State Board of Medical Examiners. Research Across America is proud to have such a dedicated and experienced doctor as Dr. Blumenau as its Medical Director.


Alan L. Freeman, M.D. is a part-time research physician who has served on Research Across America’s Principle Investigator team since January of 2012. During that time, he has overseen many clinical trials while enjoying retirement from his private urology practice that he began in 1974. Dr. Freeman is a Fellow of the American Board of Urology and is licensed by the Texas State Board of Examiners. It is a pleasure to have him on staff at Research Across America.


RONALD KAPUSTA, M.D worked in his private practice as an OB/GYN physician in the North Dallas area for over 25 years. He has been conducting studies with Research Across America (RAA) since 1996 and has served as a research physician on many different types of clinical trials. Dr. Kapusta is a Fellow of the American College of Obstetricians and Gynecologists and a Fellow of the Royal College of Surgeons. He is licensed by the Texas Medical Board and is a member of the American College of OB/GYN. RAA is fortunate to have Dr. Kapusta on their investigator team, as his substantial research experience and dedication to patient care are unparalleled.


Plano Site Physicians:


Jeffrey Adelglass, M.D., F.A.C.S., is the original founder of Research Across America. With more than 20 years of research experience, he has participated in over 1,000 clinical trials in a wide range of therapeutic areas. Dr. Adelglass has served on advisory boards of several pharmaceutical companies, and he is instrumental in conferring with members of these groups on protocol design and development. His research experience and knowledge displays his passion to find medical treatments that will improve people’s lives. Dr. Adelglass is a Fellow of the American College of Surgeons. He has been in private practice for nearly 30 years.


FRANCES BLANTON HERBERT, M.D. worked in the field of Urology in Texas for over 15 years. She began conducting studies with Research Across America (RAA) this year. Dr. Herbert is a member of the American Urological Association as well as the Society for Women in Urology.

She is licensed by the American Board of Urology and the Texas Medical Board. RAA is pleased to welcome Dr. Herbert to their investigator team, as her substantial experience and exceptional patient care are a great asset.


LIONEL M. REIMAN, MD recently joined the investigative team for Research Across America (RAA) in preparation for increased patient capacity at our Dallas area surrounding satellite office facilities. He previously held a private practice as an OB/GYN physician in Plano, TX for over 38 years.

Upon retirement from North Texas Obstetrics and Gynecology Associates, Dr. Reiman expressed interest in pursuing a part-time research career. RAA’s current research physicians have known Dr. Reiman for several decades and are proud to have him join the network of fellow investigators to oversee trial conduction for various therapeutic areas.

Dr. Reiman is licensed by the Texas Medical Board and is a fellow of the American College of Obstetricians and Gynecologists as well as a member of the Texas Medical Association.


Sejal Mehta, M.D., MBA provides a comprehensive range of psychiatric services to adults and children through her practice, Psychiatric Medical Associates. She serves as the Director of Psychiatric Research for Research Across America’s (RAA’s)  CNS / Psychiatry clinical studies. Dr. Mehta is Board Certified in Adult Psychiatry and Child and Adolescent Psychiatry and will bring highly valued experience to Research Across America’s CNS trials.

Being a partner in one of the largest, state-of-the-art psychiatric practices in the Dallas metropolitan area, she works with inpatient as well as outpatient settings while also coordinating care with other providers and/or therapists. Dr. Mehta’s expertise includes, but is not limited to the following areas:

  • Child-Adolescent-Adult Services (Anxiety, Depression, Bipolar, ADHD, Chemical Dependency, Schizophrenia, Alzheimer’s, etc.)
  • Alternative Medical Supports for Stress Management, Depression, and Anxiety
  • Medication Evaluations and Management for Adults, Children, Adolescent, and Geriatrics
  • Adult, Marital, and Family Services Group Programs and Workshops
  • Transcranial Magnetic Stimulus (TMS) machine in office.

Dr. Mehta and her team have years of experience with various ratings and scales. RAA’s experienced team of CRCs, Regulatory, Contracts, Recruitment and other administrative staff support her clinical studies.

El Paso Site Physicians:


Sergio Ibarra M.D. operates and owns a busy, state-of-the-art urgent care facility where he conducts clinical trials with Research Across America. He also holds an exclusive contract with the University of El Paso to treat students as needed and works in the local El Paso hospital Emergency Room.

Dr. Ibara’s enthusiasm and dedication to research have proven him to be an excellent investigator, as he strives for high quality patient care. His clinical trial experience over the last decade with Research Across America covers multiple therapeutic areas.  Dr. Ibarra is a Fellow of the American Academy of Emergency Medicine and licensed by the Texas State Board of Medical Examiners.

Mesquite Site Physicians:


SALMA MAZHAR, M.D. is the newest physician to join Research Across America’s investigative team. She is Board Certified in Internal Medicine and has spent five years developing her private practice in Mesquite, TX, which serves populations on the eastern side of the DFW Metroplex. She has Principal Investigator experience overseeing diabetes studies. Dr. Mazhar’s training and background has largely lent itself to senior populations, as she spent four years overseeing hospice and rehabilitation facilities. Since establishing her private practice, she has expanded her services to include all general family care needs for her growing patient population.

Murphy site Physicians:


MICHAEL MCGUINESS , M.D. is a board certified dermatologist and has been practicing in Texas since 1996. Before he decided to pursue medicine, Dr. McGuiness earned a degree in mechanical engineering from the Worcester Polytechnic Institute and worked as an engineer for Texaco.

After a few years with Texaco, Dr. McGuiness decided to change career paths and earned his medical degree from the University of Texas Health Science Center – Houston. He completed his medical internship at SUNY (Stony Brook, NY) Medical Center before moving onto his internal medicine residency at the University of Pittsburgh School of Medicine. Dr. McGuiness completed his dermatology residency at the University of Pittsburgh School of Medicine.
Dr. McGuiness’ professional affiliations include: Fellow, American Academy of Dermatology (AAD), American Society of Dermatologic Surgery (ASDS), American Society of Cosmetic and Dermatologic Surgery, American Society for Laser Medicine and Surgery (ASLMS), American Cutaneous Oncology Society (ACOS).