Our Staff
Maria Manigbas, Physician Assistant
Maria has recently moved to San Francisco to join Pacific Laparoscopy. She closely follows both the pre- and post-operative patients in the clinic and first assists in the operating room during the surgical procedures.
With a Bachelor of Science degree in Gerontology from the University of Southern California, Maria pursued an advanced degree at the Philadelphia College of Osteopathic Medicine ("PCOM") where she received a Masters degree in Health Sciences from the Physician Assistant Program. Upon graduation from PCOM, she obtained further clinical training in New York as a General Surgery Resident at Montefiore Medical Center/Albert Einstein College of Medicine where she worked on a wide variety of surgical procedures.
Upon finishing her surgical residency, Maria moved back to Los Angeles and began her practice working in a primary care clinic. She subsequently expanded her experience over seven years, by working as a Physician Assistant for an Infectious Disease specialist and providing care for hundreds of patients at over 6 different hospitals/medical centers in the Los Angeles area.
Mitra Sayadi, Office Administrator
As Office Administrator of our weight loss surgery center in the Bay Area, Mitra develops and implements office procedures and programs. She oversees daily operations, resolves patients' administrative issues, and supervises the staff. With over 8 years of experience in medical practice management. Mitra joined Pacific Laparoscopy in 2001. She earned her B.A. degree in Biological Science at U.C. Berkeley in 1989 and completed the Multimedia Studies Program at San Francisco State University in 2001.
Matt Williams, Billing Manager
Matt acts as a liaison between patients and insurance companies. He handles the insurance authorization process and manages accounts receivables. With an A.S. in Business Administration and three years of prior experience, Matt joined Pacific Laparoscopy in 2002.
Annalyn Carlos, Medical Assistant
As a Medical Assistant, Annalyn records vital signs and reviews lab orders. Annalyn also performs administrative duties including answering phones, coordinating with testing labs and attending to patients. After completing her degree in Medical Assisting from Heald, she began her externship with Pacific Laparoscopy in 2006.
Allison Pette, Patient Coordinator
Allison studied Communications at the University of San Francisco graduating in 2006 and worked in marketing before joining the PacLap team in 2012 as the Patient Coordinator. Allison handles everything from answering the phones, scheduling consults and assisting pre-op and post-op patients before and after surgery.
Barbara Metcalf, RN, CBN, Program Director
As Program Director, she is facilitating patient education, monthly group support meetings, and serving as hospital liaison for in-service training and education.
Barbara graduated from nursing school in 1968. Her experience in nursing has involved surgical, respiratory, infectious and general intensive care, coronary care, cardiac cath lab, pediatrics and teaching nutrition at the junior high level. During the time she was raising four children she also coached track and field for many years.
In 1995 she started working with San Francisco bariatric surgeon Dr. Rabkin in Ventura and helped develop our bariatric treatment center in the Bay Area, Pacific Laparoscopy. She has been working with Pacific Laparoscopy in San Francisco since 2000.
To learn more about our friendly, knowledgeable staff, click here to request a consultation, or you can call Pacific Laparoscopy at 415-668-3200 to schedule your appointment.