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Family Medicine

Language(s) Spoken


Joined Kelsey-Seybold

March 2020

Accepting New Patients?


Professional Background

Dr. Jack Pieniazek earned his Bachelor of Science in biology and chemistry at Houston Baptist University in 1990. In 1995, he earned his medical degree at The University of North Texas Health Science Center at Fort Worth Texas College of Osteopathic Medicine. He completed his family practice residency in 1998 at The University of Texas Medical Branch and the American Board of Clinical Lipidology Diplomate program in 2007.
Dr. Pieniazek founded Conroe Family Medicine, P.A. in 1998, which was acquired by Kelsey-Seybold in March 2020, and continues to care for patients at the renamed Kelsey-Seybold – Conroe Clinic.

Professional Associations

Dr. Pieniazek is a member of the American Academy of Family Physicians, the Montgomery County Medical Association, the American Association of Medical Review Officers, and the National Lipid Association.

​I want to do what is right for the patient. I’d like to give the patient evidence-based medicine and tell them how they can help themselves. Every patient is important to me.

Available Appointments with Jack Pieniazek, DO

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​​​​​​​​​​Virtual Health

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Awards & Recognitions


  • Patient Care, 1999
  • Patient Care 32:150 (1998)
  • Journal of Cellular Physiology. 151:94-102 (1992)
  • Cell Growth & Differentiation. 3:549-56 (1992)
  • Proceeding of the Annual Meeting of the American Association for Cancer Research. 33:A163 (1992)