Cytology Pathology Services, Inc. (CPS) is located at 5865 N. Michigan Road in north Indianapolis.
CPS was established by Dr. Jan P. Wiersema in 1981. Dr. Pieter Wiersema joined the staff in 1994.
In 1995, Dr. Pieter Wiersema completed a dermatopathology fellowship in Philadelphia with Dr. A.B. Ackerman.
In 1995, Dr. Jan P. Wiersema retired and Pieter Wiersema took over as laboratory director.
Dr. Pieter Wiersema is board certified in dermatopathology and cytopathology.
In 2001, Dr. Anna Puzanov, with board specialization in cytopathology, was added to the staff.
CPS is CLIA certified to perform high complexity testing, including dermatopathology, histopathology, cytology, and microbiology (DNA testing).