About us

TOPA is composed of the following pathologists:

In addition to our pathologists, we also have our dedicated staff, listed here.

We have lived and worked in the community for over 25 years allowing us to establish long-term relationships with many of the physicians in the community. Since we are local, the pathologists are always available to discuss results with you.

 

Wayne M. Schultheis, M.D., FCAP - Medical Director
 

Dr. Schultheis earned his M.D. from the University of Southern California and received training at Los Angeles-USC Medical Center where he served as Chief Resident and Clinical Assistant Professor of Pathology. He was also Director of Cytology and Fine Needle Aspiration at USC-Norris Cancer Center. In addition to his position at Thousand Oaks Pathology Associates, Dr. Schultheis is Chief of Pathology at Los Robles Hospital and Medical Center. Dr. Schultheis is board certified in Anatomic and Clinical Pathology. He has published several articles and given presentations at scientific associations on a variety of topics.

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Richard H. Kelty, M.D., FCAP
 
Dr. Kelty earned his M.D. at the University of Michigan Medical School and fulfilled residencies at the Mayo Clinic and the University of Minnesota Health Sciences Center. In addition to board certification in Anatomic and Clinical Pathology, Dr. Kelty is board certified in Internal Medicine. He is on the medical staff at Los Robles Hospital and Medical Center and is a Fellow of the College of American Pathologists.

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Edward I. Blackman, M.D., FCAP
 
Dr. Blackman earned his M.D. at the University of Health Sciences, Chicago Medical School and received training at Cedars-Sinai Medical Center. Dr. Blackman has received multiple awards and honors, including the Leo G. Rigler award as Outstanding Resident from the Department of Pathology at Cedars-Sinai Medical Center. He has published numerous articles on several topics, predominantly in the field of gastrointestinal pathology, including ulcerative colitis, cryptosporidiosis, cytomegalovirus and duodenal neoplasia. His work has been presented at several national scientific organizations. He has also been a reviewer for the American Journal of Gastroenterology. Dr. Blackman is board certified in Anatomic and Clinical Pathology and in Cytopathology. He is on the medical staff at Los Robles Hospital and Medical Center.

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Regina P.C. Singson, M.D., FCAP
 
Dr. Singson earned her M.D. at the University of the Philippines College of Medicine and received training at Cedars-Sinai Medical Center where she served as Chief Resident in Pathology for two years. Dr. Singson has received several awards and honors, including the Leo G. Rigler award for Outstanding Resident at Cedars Sinai for two consecutive years. Dr. Singson is board certified in Anatomic and Clinical Pathology and completed a fellowship in Surgical Pathology. Dr. Singson has a special interest and expertise in G.I. pathology that includes the presentation of her work at national meetings of scientific organizations and the publication of several articles. She is on the medical staff at Los Robles Hospital and Medical Center.

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Jianming (James) Yin, M.D., FCAP
 
Dr. Yin earned his M.D. from Weifang Medical College and received training at Beijing Medical University in China and at the University of Kentucky, where he also earned his Ph.D. in Oncological Biochemistry. Dr. Yin has received many awards and honors, including Donald West King award for outstanding performance in pathology training. Dr. Yin is board certified in Anatomic and Clinical Pathology and Hematopathology. He has published many articles on gene regulation in hematological and nonhematological neoplasms. His work has been presented at several national scientific meetings. Dr. Yin is on the medical staff at Los Robles Hospital and Medical Center.

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Sanja Krajisnik, M.D., FCAP
 
Dr. Krajisnik earned her M.D. at the University Djuro Pucar Stari, School of Medicine in Bosnia. She completed pathology residency at Cedars-Sinai Medical Center, Surgical Pathology Fellowship at UCLA, and is board certified in Anatomic and Clinical Pathology. Dr. Krajisnik is board certified in Dermatology from the University of Belgrade, School of Medicine. She has a special interest and expertise in Dermatopathology. Dr. Krajisnik has several publications and scientific presentations. She is on the medical staff at Los Robles Hospital and Medical Center.

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Mrugesh Shah, M.D., FCAP
 
Dr. Shah earned his MBBS and MD degrees from Pramukhswami Medical College and Smt NHLM Medical College-Sheth KM school of Post Graduate Medicine and Research in India. He also received training in Pathology and completed a Fellowship in Surgical Pathology at the LAC-USC Medical center where he served as Chief Fellow in Surgical Pathology. He completed post graduate training with certification in Forensic Medice/Pathology in India. Dr. Shah is board certified in Anatomic and Clinical Pathology and is on the staff at Los Robles Hospital and Medical Center.

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Danielle E. Westfall, M.D., FCAP
 
Dr. Westfall earned her M.D. from The Ohio State University College of Medicine & Public Health. She completed pathology residency at Cedars-Sinai Medical Center, where she served as Chief Resident in Pathology. Dr. Westfall also completed a fellowship in genitourinary pathology at Cedars-Sinai Medical Center. Dr. Westfall was the recipient of the Nathan B. Friedman award for Outstanding Resident Research and earned a CAP Foundation Grant for the study of digital pathology. She has served on several committees for national pathology organizations. Her publications are on a variety of topics, with a focus in genitourinary pathology, and include several articles and book chapters. She has presented her research at several national scientific meetings. Dr. Westfall is board certified in Anatomic and Clinical Pathology and is currently on the medical staff at Los Robles Hospital and Medical Center.

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Dean L. Moyer, M.D
 
Dr. Moyer earned his M.D. at the University of Rochester Medical School, New York. After receiving residency training at Massachusetts General Hospital, Los Angeles Children’s Hospital and the UCLA Medical Center, Dr. Moyer was the Chief of Anatomic Pathology at Women’s Hospital at the LA County-USC Medical Center for over 10 years. Dr. Moyer served as the Chairman of the Pathology Department at Harbor General Hospital in Torrance, California for eight years. During his career he specialized in GYN pathology and participated in multiple clinical trials providing data to the FDA. In that capacity, he has evaluated thousands of endometrial biopsies in conjunction with hormone replacement therapy in women. Dr. Moyer has maintained a private gynecological pathology practice for more than 20 years.

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Robin A. M. Rawson, M.D., FCAP
 
Dr. Rawson earned her M.D. from The Loma Linda University School of Medicine. She completed pathology residency at Cedars-Sinai Medical Center, where she served as Chief Resident in Pathology. Dr. Rawson also completed a fellowship in hematopathology at Cedars-Sinai Medical Center. Dr. Rawson was selected as a finalist in the Los Angeles Society of Pathologists Annual Resident/Fellow Presentation and has presented her research in various areas at several national scientific meetings. Dr. Rawson is board certified in Anatomic and Clinical Pathology and Hematopathology. She is currently on the medical staff at Los Robles Hospital and Medical Center.

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Additional staff
 
Field Service Coordinator

Linda Punaro

Sales and Marketing Director Sarah Williams
Account Executive Cambria Vogel
Admin. Assistant/Client Service Representative Pauline Ryan
Client Service Representative Annette McCarroll
Clinical Laboratory Scientists

Barbara Zaksek, MT (ASCP)

Adrian Jackson, MT (ASCP)

Kyle Pacheco, MT (ASCP)

Lead Lab Assistant Kenny Edwards
Cytotechnologists

Sally Bentley, CT (ASCP)

Karen Hodapp, CT (ASCP)

Lisa Landres, CT (ASCP)

Zin Htway, CT (ASCP)

 
Lead Histotechnologist Toni Hartin, HT (ASCP)
Histotechnologist Charles Koeritz
Transcriptionists

Larry Craig

Suzanne Glover

Accessioning/Data Entry

Kandace Garcia

Paola Gonzalez

Lab/Cytology Assistant

Carla Bautista

Missy Hockenberry

Kathy Louis

Kayla Louis

Lalie Magana

Cindy Miranda

Lorena Miranda

Courier

Levon Boghosian

Cesar Gonzalez

Cristina Guerrero

Julian Jovel

Michelle Messecar

Rosalio Miguel

Malena Villarino

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