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Our Staff


Dr. Ranleigh Fleshman Pathology Associates of Central Illinois

Yan Chen, M.D.

Joined PACI in 2011.

Board Certified by the American Board of Pathology in Anatomic and Clinical Pathology

Subspecialty certification:

            • Cytopathology

          Areas of Special Interest :

          • Fine needle aspiration biopsy

          • Gynecologic and non-gynecologic cytopathology

Dr. Chen received her MD from Fujian Medical University in P.R. of China.  She went on to receive her MS in Nuclear Medicine and completed a residency program in Anatomic and Clinical Pathology at the Albert Einstein College of Medicine, North Shore-LIJ Health System, New York.  She completed her Cytopathology fellowship at Medical University of South Carolina.

Before joining PACI, she served in nuclear medicine and neurophysiology research for several years, and practiced pathology at Marshall University School of Medicine and a private pathology group for four years. Currently, Dr. Chen is a Laboratory Director of Passavant Area Hospital.

In her free time,  Dr. Chen enjoys activities like world traveling, music and reading.



  • Chen Y, Hoda RS, et al: Proliferative Cystitis: Correlation of ThinPrep Urine Cytology, Histology and Fluorescence in Situ Hybridization. USCAP 2007

  • Chen Y, Patel KP, Alexis C, Ragnath M, Kahn LB, Bhuiya TA: A Practical Multi-Step Approach to Reduce Errors in Surgical Pathology Specimen Handling and Processing. USCAP 2006.

  • Grover, LM, Chen Y: REM Sleep Deprivation Reduces NMDA NRI, but not NR2A or NR2B Protein Expression in Rat Hippocampus. Abstract for conference on Neuropathology, May, 2002.

  • Grover, LM, Chen Y: Evidence for Involvement of Group II/III Metabotropic Glutamate Receptors in NMDA Receptor-Independent Long-Term Potentiation in Area CA1 of Rat Hippocampus. J. Neurophysiol. Vol 82: 2956-2969, December, 1999.

  • Grover, LM, Chen Y: Blockade of GABA-A Receptors Facilitates Induction of MNDA Receptor-Independent Long Term Potentiation. J. Neurophysiol. Vol 81: 2814-2844, June, 1999.

  • Grover, LM, Chen Y: The Modulation of Excitatory Synaptic Transmission by Adenosine in Area CA1 of the Rat Hippocampus is Temperature Dependent. Neurosciences Letters. Vol 263: 77-80, March, 1999.

  • Ping Y and Chen Y: Direct Labeling of Anti-Human Lung Cancer Monoclonal Antibody 3D3 with 99mTc. Journal of Fujian Medical College. Vol 31: 408-410, March, 1997.

  • Qun C and Chen Y: The Change in Myocardial Perfusion after Sublingual Absorption of Captoprial in Patients with Hypertension. Journal of Fujian Medical College. Vol 26: 2-3, September, 1994.

  • Chen Y: Evaluation of 99mTc-DTPA Renography and Rapid Determination of GFR. Journal of Fujian Medical College. Vol 24: 146-148, September 1992.

  • Chen Y and Rui S: Study of Factors Affecting Thyroid Volume Determination by SPECT and Preliminary Clinical Application. Chinese Journal of Nuclear Medicine. Vol 12: 580, April, 1990.


Pathology Associates of Central Illinois Chairpersons:

Mark Clarke, M.D.
Laboratory Director
Decatur Memorial Hospital   

John Z. Gao, MD, PhD,   
Laboratory Director
Memorial Medical Center     

Yan Chen, M.D.
Laboratory Director
Passavant Area Hospital 

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