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Annadel Medical Group Expands to New Offices


Annadel Medical Group Expands to New Offices

Annadel Medical Group (AMG) continues to expand women’s health services and will be moving to a new office to support the growth of their Santa Rosa OB/GYN practice. The office will relocate on January 11 from 500 Doyle Park Drive, Suite G06 to a larger suite located in the same building at Suite 200. The group will also add a new obstetrician and gynecologist to the group – bringing the total number of OB/GYN specialists at the Santa Rosa practice to four and increasing the total number of providers practicing with Annadel Medical Group to 130. 

Gregory Sacher, MD, an obstetrician and gynecologist, will join Drs. Jennifer Byer, Garima Loharuka, and Bob Field starting January 18. Dr. Sacher was most recently with Kaiser Permanente in Santa Rosa and brings more than a decade of experience to the group. The Annadel OB/GYN team will support the labor and delivery service at Santa Rosa Memorial Hospital which has a dedicated women’s and children’s unit and features private rooms for birthing and after delivery, a Level III NICU supported by UCSF neonatologists, and an inpatient pediatric unit staffed 24/7 by AMG pediatric hospitalists.

Gregory Sacher, MD 

Gregory Sacher, MD is Board Certified in obstetrics and gynecology and has a broad range of experience and interests including general obstetrics and gynecology, labor and delivery, prenatal/postpartum care, hysteroscopy, as well as other minimally invasive procedures. Dr. Sacher received his Doctor of Medicine at Georgetown University School of Medicine and completed his obstetrics & gynecology internship and residency at Kaiser Foundation Hospital in Santa Clara.  

“Annadel Medical Group is pleased to welcome Dr. Gregory Sacher to our group and excited to announce the expansion of our Santa Rosa OB/GYN practice to support women’s health services at Santa Rosa Memorial Hospital,” said Dr. James Palleschi, President of AMG. “Dr. Sacher is well trained and accomplished in his field and we look forward to his expert care of women and families in our medical group and the community.”   

“I am excited about working alongside Drs. Byer, Loharuka and Field as a new member of Annadel Medical Group’s OB/GYN practice,” said Dr. Gregory Sacher, obstetrician and gynecologist. “As a long-time resident of Santa Rosa and a father myself, I am committed to providing exceptional quality care for women and families and look forward to establishing meaningful relationships with patients.”

Drs. Sacher, Byer, Loharuka and Field are accepting patients at their newly expanded office located at 500 Doyle Park Drive, Suite 200 in Santa Rosa. To make an appointment, please call the Annadel Medical Group OB/GYN front office at (707) 303-1719 or visit