Dr. Andrzej Jerzy Janecki MD Gastroenterologist

Dr. Andrzej Janecki is a gastroenterologist in Katy, Texas. He is affiliated with multiple hospitals in the area, including CHRISTUS St. Catherine Hospital and Memorial Hermann Katy Hospital. He received his medical degree from University of Medical Science Poznan and has been in practice for 19 years. He is one of 8 doctors at CHRISTUS St. Catherine Hospital and one of 10 at Memorial Hermann Katy Hospital who specialize in Gastroenterology.

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Office Location

See Contact Information

Specialty & Clinical Interests

Gastroenterologist: General Gastroenterology

Education & Medical Training

University of Texas at Houston
Residency, Internal Medicine, 1991 - 1994

Johns Hopkins University
Fellowship, Gastroenterology, 1994 - 1998

University of Medical Science Poznan
Class of 1977

Certifications & Licensure

American Board of Internal Medicine
Certified in Gastroenterology

American Board of Internal Medicine
Certified in Internal Medicine

TX State Medical License
Active through 2014

Awards, Honors & Recognition

Meaningful Use Stage 1 Certification, Centers for Medicare & Medicaid Services

Publications & Presentations

Membrane association of glutathione S-transferase mGSTA4-4, an enzyme that metabolizes lipid peroxidation products.
Singh, S.P., Janecki, A.J., Srivastava, S.K., Awasthi, S., Awasthi, Y.C., Xia, S.J., Zimniak, P.

Basic fibroblast growth factor stimulates surface expression and activity of Na(+)/H(+) exchanger NHE3 via mechanism involving phosphatidylinositol 3-kinase.
Janecki, A. J., Janecki, M., Akhter, S., Donowitz, M.

Subcellular redistribution is involved in acute regulation of the brush border Na+/H+ exchanger isoform 3 in human colon adenocarcinoma cell line Caco-2. Protein kinase C-mediated inhibition of the exchanger.
Janecki, A. J., Montrose, M. H., Zimniak, P., Zweibaum, A., Tse, C. M., Khurana, S., Donowitz, M.

Insurances Accepted

  • Aetna Choice POS II
  • Aetna HMO
  • BCBS Blue Card PPO
  • BCBS California PowerSelect HMO
  • BCBS Texas BlueChoice
  • Blue Shield California HMO
  • Blue Shield California PPO
  • CIGNA Open Access
  • Great West PPO
  • Health Net California Large Group PPO
  • Humana ChoiceCare Network PPO
  • Multiplan PHCS PPO
  • Multiplan PPO
  • Pacificare HMO
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO
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