David Crumpacker, MD 2018-01-17T18:22:02+00:00

David Crumpacker, MD

Adult & Geriatric Psychiatry
5045 Lorimar
Suite 290
Plano, Texas 75093


  • ADD
  • ADHD
  • Alzheimer’s Disease
  • Anxiety
  • Bipolar Disorder
  • Depression
  • Major Depressive Disorder
  • Memory Disorders
  • Psychiatric Diseases
  • Sleep Disorders
5+ Years of Medical Experience


Dr. Mary Ellen Kirwan has been practicing chiropractic in the Dallas area for over 13 years. She graduated from Logan Chiropractic College in St. Louis Missouri. Dr. Kirwan uses a diversified technique practitioner using only state of the art therapies to alleviate pain and to obtain rapid results. She is trained in nutrition and draws on her many years of clinical experience to educate and treat each patient with the highest quality of nutritional products. She is certified by the Board of National Chiropractic Examiners, and is licensed in Texas, California, and Queensland Australia.

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