Sarah Calkins, M.D.
Sarah Calkins, M.D.
Prior to joining Peninsula Pathologists, Sarah was an Associate Professor of Pathology at the University of California San Francisco. As part of the Cytopathology division, she staffed the pathologist-performed Fine Needle Aspiration Biopsy Clinic, where she used her expertise to perform palpation and ultrasound-guided FNAs with a focus on maximizing the diagnostic potential of small samples. She also has a subspecialty focus in head and neck pathology with interests in salivary gland tumors and HPV-related diseases. One of her many roles as an educator included serving Anatomic and Clinical Pathology Residency Program Director from 2017 until joining PPMG in 2023. She looks forward to bringing her clinical and leadership skills to this exciting pathology practice.
Sarah earned her MD from the University of Toledo where she also participated in the Post-Sophomore Pathology Fellowship Program and received the American Society for Clinical Pathology Award for Excellence and Achievement. She then completed Anatomic and Clinical Pathology Residency, Surgical Pathology Fellowship, and Cytopathology Fellowship at UCSF. While training, she was awarded the Anatomic Pathology Fellow Teaching Award.
Sarah lives in San Francisco. She enjoys hiking, live music, wine country, trying new restaurants, park days, and anything with her two dogs.
Medical Degree:
University of Toledo College of Medicine
Residency:
Anatomic and Clinical Pathology – University of California San Francisco
Fellowship:
Surgical Pathology – University of California San Francisco
Board Certification:
Anatomic and Clinical Pathology, Cytopathology
Special Interests:
Cytopathology, Small Biopsies, Head and Neck Pathology, Thyroid Pathology, Small Samples for Advanced Molecular Testing
Jenny Kuo, M.D.
Jenny Kuo, M.D.
Dr. Jenny Kuo is a skilled pathologist at Peninsula Pathologists in the San Francisco Bay Area. With a medical degree and residency training in pathology, she provides accurate diagnostic services for various medical conditions. She is dedicated to staying current with the latest advancements in her field and is a trusted member of the medical community. In her free time, she enjoys hiking and exploring California’s natural landscapes.
Medical Degree:
University of Southern California-School of Medicine
Residency:
University of Southern California-School of Medicine
Fellowship:
Surgical Pathology-University of Southern California-School of Medicine
Fellowship:
Transfusion Medicine-Stanford Hospital and Blood Center
Board Certification:
Anatomic and Clinical Pathology, Transfusion Medicine
Special Interests:
Anatomic and Clinical Pathology
Thuy Nguyen, M.D.
Thuy Nguyen, M.D.
Dr. Thuy Nguyen is a board-certified anatomic and clinical pathologist with fellowship training in gastrointestinal and hepatobiliary pathology. She serves as Medical Director for Laboratory and Pathology and Transfusion Committee Chair at Sutter Health’s Mills-Peninsula Medical Center (MPMC). She is also a managing partner and board member for Peninsula Pathologists Medical Group (PPMG) Inc. She holds active medical staff appointments at Sutter Health’s MPMC, Palo Alto Medical Foundation, San Mateo County Hospital and Clinics and Dignity Health’s Sequoia Hospital.
Thuy received her Medical Doctorate (M.D.) from the University of Minnesota. She then completed anatomic and clinical pathology residency and surgical pathology fellowship at the University of California San Francisco (UCSF). She also completed fellowship training in gastrointestinal and hepatobiliary pathology fellowship program under Dr. Linda Ferrell.
Thuy resides in San Francisco with her family (husband, 1 child and 1 dog). She and her family enjoy live music, park days, museums, and zoos. She and her husband are gastronomes always on the look-out for great restaurants and new recipes to try. Thuy is also a proficient baker that dabbles in cake decorating in her free time.
Medical Degree:
University of Minnesota Medical School
Residency:
University of California-San Francisco
Fellowship:
Surgical Pathology – University of California-San Francisco
Fellowship:
Gastrointestinal and Hepatobiliary Pathology – University of California-San Francisco
Board Certification:
Anatomic and Clinical Pathology
Special Interests:
Gastrointestinal, Liver, Anatomic and Clinical Pathology
Sourav Ray, M.D.
Sourav Ray, M.D.
Dr. Sourav Ray is a Board-Certified Anatomic and Clinical Pathologist with subspecialty (dual board) certification in Dermatopathology. He serves as Vice-Chair of Pathology for Sutter Health’s MPMC Division and oversees anatomic pathology quality assurance. In his role as liaison to the Patient Safety and Quality committee, he also has extensive experience in integrated multidisciplinary diagnostics with a focus on tumor boards and serves on the system-wide Integrated Network Cancer Program.
Prior to joining PPMG Sourav was a resident and fellow at the University of Pittsburgh Medical Center during a golden era when he was fortunate enough to learn directly from the world’s foremost pathologists such as E. Leon Barnes, Steven H. Swerdlow, and Samuel Yousem.
Sourav resides in San Francisco with his partner, 3 kids, and a dog. He has a special interest in beer, tennis, and the intersection of Eastern and Western forms of music (not necessarily in that order).
Medical Degree:
Albany Medical College
Residency:
University of Pittsburgh-School of Medicine
Fellowship:
Dermatopathology-University of Pittsburgh-School of Medicine
Board Certification:
Anatomic Pathology, Clinical Pathology, and Dermatopathology
Special Interests:
Cutaneous diseases, soft tissue tumors, lymphomas
Judy A. Alonzo, M.D.
Judy A. Alonzo, M.D.
Dr. Judy Alonzo is a board-certified anatomic and clinical pathologist with broad range experience in general Anatomic Pathology and Laboratory Medicine with interests in urologic and gastrointestinal pathology. During her time with Peninsula Pathologists Medical Group (PPMG) she served as group President for fourteen years, during which time the group’s broad array of subspecialty expertise was nurtured and its independent anatomic pathology laboratory was established. At Peninsula Hospital, she was a member of Peninsula Hospital infection control, patient safely and medical executive committees and served as Pathology Department Chair for four years. She served as the CLIA Medical Director for PPMG’s independent anatomic pathology laboratory for fourteen years and Sutter Health Shared Laboratory for six years. She holds active staff privileges at Mills-Peninsula Health Services, Palo Alto Medical Foundation, Sequoia Hospital and San Mateo Medical Center.
Prior to joining Peninsula Pathologists Medical Group, Dr. Alonzo earned her medical degree at the University of Colorado Health Sciences Center. She completed her Anatomic Pathology and Laboratory Medicine residency and Surgical Pathology Fellowship at the University of California – San Francisco, where she also served as Chief Resident. Following completion of her training, she was offered and accepted an appointment as Assistant Clinical Professor in the Department of Laboratory Medicine at the University of California – San Francisco and worked at the San Francisco Veterans Affair Medical Center in the Departments of Laboratory Medicine and Anatomic Pathology where she enjoyed taking care of the pathology needs of our veterans and teaching and supervising residents.
Medical Degree:
University of Colorado School of Medicine
Residency:
University of California-San Francisco
Fellowship:
Surgical Pathology-University of California-San Francisco
Board Certification:
Anatomic and Clinical Pathology
Special Interests:
Gastrointestinal, Liver and Prostate Pathology
Mamatha Chivukula, M.D.
Published
Nassar A, Pooja A, Chivukula M. HER2 testing across practices-Have we come to a consensus on the ideal method of testing? A systematic literature review. Breast J. 2020 Jun;26(6):1185-1188. doi: 10.1111/tbj.13867. Epub 2020 May 12. PMID: 32400119.
Mamatha Chivukula, M.D.
Dr.Mamatha Chivukula is a motivated team player with a proven track record of achievement in a target-driven, result-oriented environment. Hardworking, passionate, and eager for further challenges to enhance my career path.
Dr. Mamatha Chivukula is a Board-Certified Anatomic and Clinical Pathologist; Board-certified Cytopathologist, and specialty-trained Breast, Gynecologic, and peri-natal pathologist. She serves as Director of Breast Pathology Services at Mills-Peninsula Medical Center. Dr. Chivukula has extensive experience in multidisciplinary diagnostics and molecular aspects of cancer diagnostics and is dedicated to working closely with her clinical colleagues to ensure high-quality Women’s Health Services. Dr.Chivukula holds medical staff appointments at San Mateo Medical Center, Mills-Peninsula Medical Center, and Sequoia Hospital.
Prior to joining Peninsula Pathologists, Dr.Chivukula held an academic position as Associate Profesor of Pathology at Magee Women’s Hospital of UPMC, Pittsburgh, PA, rated Top 7th in the US for Women’s Cancer Hospitals. With Breast and gynecologic oncologists and researchers, her collaborative research work yielded 54 publications and 70 published abstracts in leading journals. She has been a speaker and moderated teaching sessions and roundtable conferences Nationally and Internationally. She has co-authored three (3) pathology book chapters and taught medical students. She served as Education Director for the Prestigious ASCP organization and currently serves on Sutter Anatomic Pathology Education Committee as a member and continues her active research.
Outside of her professional activities, Mamatha is a trail half-marathon runner and has been part of Costal trail runs for 12 years. She trains both at Gym and outdoors. She also participates as a volunteer for SMMC’s “Walk with Doc” Program every year.
Medical Degree:
Siddhartha Medical College and Research Institute, India
Residency:
Medical College of Wisconsin, Milwaukee
Fellowship:
Cytopathology-Medical College of Wisconsin, Milwaukee
Fellowship:
Gynecologic, Breast and Perinatal Pathology- Magee Womens Hospital of UPMC, Pittsburgh, PA
Board Certification:
Anatomic and Clinical Pathology
Special Interests:
Cytopathology, Gynecologic, Breast and Perinatal Pathology
Elzbieta Jurka, M.D.
Elzbieta W. Jurka, M.D.
Dr. Elzbieta Jurka is a Board-Certified Anatomic and Clinical Pathologist. She serves as Medical Director and Pathology Chief for the San Mateo Medical Center Laboratory. Dr. Jurka has extensive experience in multidisciplinary diagnostics, oversees the anatomic pathology and clinical laboratory quality assurance program, and is dedicated to working closely with her clinical colleagues to ensure high-quality, cost-effective patient care. Elzbieta holds medical staff appointments at San Mateo Medical Center, Mills-Peninsula Medical Center, and Sequoia Hospital.
Prior to joining Peninsula Pathologists, Elzbieta served as a staff pathologist at Sequoia Hospital, Redwood City, CA, where she was the lead pathologist responsible for the pathology quality assurance program and worked jointly with the members of the hospital tumor board. Elzbieta completed her Anatomic and Clinical Pathology Residency training at Santa Clara Valley Medical Center/SCVMC and The University of Texas Medical Branch/UTMB in Galveston. While at SCVMC, she completed a focused study in Dermatology & Dermatopathology in the Stanford University-based Dermatology Residency program. During her residency at UTMB, Elzbieta was actively involved in collaborative research on estrogen-induced carcinogenesis in the laboratory of Dr. Joahim Liehr. She worked as a project investigator on immunological and enzymological aspects of T-cell leukemia in the research laboratory of Dr. Arly Nelson at M.D. Anderson Hospital and Tumor Institute. Elzbieta taught courses in general pathology to second-year UTMB medical students during her residency.
Elzbieta volunteers by serving as a board member for the Genetic Information Research Institute, a non-profit institution devoted to the study and characterization of mobile DNA elements. Outside of her professional activities, Elzbieta enjoys spending time with her growing family, attending the San Francisco Symphony, singing in the Stanford Summer Chorus, and hiking the coastal trails.
Medical Degree:
L. Warynski Silesian Medical School
Residency:
University of Texas Medical Branch-Galveston
Residency:
Santa Clara Valley Medical Center – San Jose
Board Certification:
Anatomic and Clinical Pathology
Special Interests:
General Surgical Pathology, and Dermatopathology
Justin Cuff, M.D.
Justin Cuff, M.D.
Justin is a physician leader and board certified pathologist with over 10 years of experience dedicated to advancing primary diagnosis to improve patient care. He currently serves as the CEO of Peninsula Pathologists where he has led lifescience partnerships and built a team of world-class pathologists and laboratory professionals, who are driven to provide diagnostic expertise, service innovation and patient centered results. Justin also serves as the laboratory medical director of the histology core lab located in South San Francisco. Justin holds active medical staff appointments at: Mills Peninsula Medical Center, San Mateo County Hospital and Clinics, Sequoia Hospital and Palo Alto Medical Foundation.
Prior to leading the group, Justin served as a staff pathologist signing out general surgical pathology. He founded the clinical flow cytometry lab and has held numerous hospital leadership positions including: pathology department chair for Sutter Health Mills Peninsula Medical Center, where he also served as the chair of the continuing medical education committee.
Justin completed his anatomic and clinical pathology residency and surgical pathology fellowship at Stanford. While at Stanford he participated in translational research in the laboratory of Jon Pollack which allowed him to contribute to several peer reviewed publications. During his fellowship training he participated in the Program in Innovation and Entrepreneurship at the Stanford Graduate School of Business. Justin grew up in Brooklyn and attended medical school at Upstate Medical University in Syracuse, NY where he graduated Magna Cum Laude and was elected to Alpha Omega Alpha, the national medical honor society. Justin is a passionate jazz collector with a particular focus on the 50-60’s, a time that coincides with the widespread adoption of the LP. This provided an amazing opportunity to document a dynamic and exciting time in music (one that parallels 19th century Vienna) marked by immense creativity in musical composition and design. SInce he wasn’t in New York at the time, the second best way to experience the music is on vinyl with low powered tube amps. Oh, he also collects Nebbiolo.
Medical Degree:
Upstate Medical University, State University of New York (SUNY)- Syracuse
Residency:
Stanford University
Fellowship:
Surgical Pathology- Stanford University
Board Certification:
Anatomic and Clinical Pathology
Special Interests:
General Surgical Pathology