Annadel Medical Group

Your Network for Comprehensive Care

Annadel Medical Group offers the community a diverse group of doctors representing primary and specialty care. From preventive care to special programs for patients with chronic conditions, we have you covered. Our doctors specialize in internal medicine, pediatrics, neonatal care (newborn care), hospital medicine and more.

Annadel Medical Group is supported by St. Joseph Health-Sonoma County. Our doctors are all active staff members at Santa Rosa Memorial Hospital and Petaluma Valley Hospital. As our patient, you have access to some of the best hospital care available in the area. Request an appointment here, or click here to view our list of doctors for more information.

Pediatrics:

• Deborah Britt, MD
• Elizabeth Culhane, MD
• Mary Pat Degagne, RN, PNP
• Heather Iezza, MD
• Donna Lynn Jones, RN, FNP, PNP
• Kenneth Prosser, MD
• David Smith, MD
• Linda Wayman, RN, PNP
• Cathryn Ross, MD

Internal Medicine:

• Eki Abrams, MD
• George Bisbee, MD
• Patricia Baker-Bordiga, PA-C, FNP
• Catherine Davis, MD
• Marlon DeCastro, MD
• Rajesh Ranadive, MD
• Robert Schaefer, MD
• Noel Serrano, MD

Family Practice:

• Herbert Brosbe, MD
• James DeVore, MD
• Gary Greensweig, DO
• Eleanor McLaughlin, FNP
• Cynthia Morris, MD
• Ellen Roche, RN, FNP
• David Sisler, MD
• Nicholas Strange, MD
• Jenny Marie N. Sullivan, MD
• Paul Umino, MD

Hospice & Palliative Medicine:

• Gary Johanson, MD

Otolaryngology (Ear, Nose & Throat):

• Mendy Maccabee, MD

Physical Medicine & Rehabilitation:

• Danny Arzanipour, MD

General Surgery:

• David Russell, MD

Hospitalists:

• Jon-Michael (JM) Castelli, MD
• Attila Mady, MD
• Rachel Marek, MD
• Grace Martin, MD
• Andrew Min, MD
• Brenna Yard, MD