I am committed to providing the highest level of quality and compassion in surgical care to the residents of Ventura County. I offer the most evidence-based and modern surgical techniques available in order to provide superior care and achieve better outcomes for my patients. Furthermore, I am dedicated to providing a patient-centered care experience that enables each patient to make a well-informed decision about their care. Dr. Brand is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. Her top areas of expertise are Hernia, Peptic Ulcer, Necrosis, Gallbladder Removal, and Hernia Surgery.

Dr. Micha Rojany was born and raised in Southern California. He received his undergraduate degree from the University of California, Berkeley. He attended USC Medical School and completed his internship and residency at Cedars-Sinai Medical Center in Los Angeles. His fellowship in Gastroenterology was completed at the University of California, Davis.Dr. Rojany has practiced in Ventura County since 2006 and is an active member of the local medical community and hospital staff at St. John's Regional Medical Center in Oxnard, and Pleasant Valley Hospital, in Camarillo. He enjoys practicing as a Gastroenterologist with special interests in inflammatory bowel disease and biliary tract diseases.As a Gastroenterologist, Dr. Rojany enjoys the depth and breadth of his field. He takes pride in providing excellent care while taking care of his patients and meeting their needs as a community specialist in digestive diseases. Dr. Rojany is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Familial Adenomatous Polyposis, Gastrointestinal Bleeding, Angiodysplasia of the Colon, Endoscopy, and Gastrectomy.

Dr. Karen Simon received her B.A. from Stanford University in 1996. She then attended Northwestern University for medical school. She completed her residency at Cedars-Sinai Medical Center in 2004 and her fellowship at UCLA and Cedars in 2008.Dr. Simon has proudly been serving patients in Ventura County since 2008 and is very involved in field research. Dr. Simon is also a speaker for Exact Sciences on behalf of Cologuard and is actively associated in research studies. She is a part of the Takeda Chloride Channel Council and a speaker for Amitiza, as well.She enjoys educating the doctors and the community as a lecturer on topics such as colorectal cancer screening at St. John's Hospital, where she is also a part of the Ethics Committee.Dr. Simon aims specifically to work with patients to discover the problem and develop a treatment strategy. She has a particular interest in Celiac Disease, Inflammatory Bowel Disease (IBD), and a passion for improving colorectal cancer detection.She is dedicated to developing a relationship with patients by utilizing education and mutual information sharing. Dr. Simon is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. Her top areas of expertise are Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Painful Swallowing, Endoscopy, and Colonoscopy.

Dr. Jeffrey Allan, MD is an Internal Medicine specialist in Camarillo, CA and has over 31 years of experience in the medical field.  He graduated from University Of California, Los Angeles School of Medicine in 1989. He is affiliated with medical facilities: St. John's Regional Medical Center and St. John's Pleasant Valley Hospital. He is accepting new patients and has indicated that he accepts Telehealth appointments and reimbursed Phone Appointments. Be sure to call ahead with Dr. Allan to book an appointment..WE PROVIDE MEDICAL CARE FOR ALL STAGES OF ADULT LIFE.Care For Adults IncludesUrgent care visits generally same dayVideo Telehealth and reimbursed Phone AppointmentsAcute IIIness Care and Chronic Condition ManagementAssessment of painAnnual Wellness Visits as well as Annual physical examPartnering with Patients and CaregiversMen's  Health and Women's Health ExamsPre-travel examinations & Return to work exams.Assessment and Prevention Strategies to Delay Mid-life Premature Aging.WE ARE THE RECOGNIZED LEADING CENTER FOR GERIATRIC MEDICINE AND GERONTOLOGY IN VENTURA COUNTYOur doctors have many years of education, training and experience as doctors of Internal Medicine with advanced specialized training in Geriatric Medicine.  In fact, our founder, Jeffrey B. Allan, M.D., completed a two-year post-residency Fellowship in Geriatric Medicine from the prestigious UCLA School of Medicine University/Veterans Administration combined program, considered one of the best training programs of its kind in the world.Our doctors and hand-picked on-call physicians follow our patients from the Alamar Healthcare office to hospital, nursing home, residential care, and assisted living.  They coordinate care planning with home health agencies and hospice.Our Alamar Healthcare doctors have many years of Internal Medicine experience in Primary Care treating adults of all ages.  Each patient is listened to carefully at each encounter.  Our doctors partner with patients in their care.  Our practice emphasizes compassion, knowledge, respect and good communication. Patients are followed from office to hospital and on to skilled nursing facilities for continuity of care.  Our patients often are members of the same family, from young adult to seniors. We offer new patient appointments & follow-up visits as well as same day or next day Urgent Care appointments for established patients depending on the needs of the patient.  Our doctors are proud to serve as physicians to patients throughout Ventura County as well provide healthcare to their local fellow health professionals, to Veterans through the VA Veterans Choice Program, and to eligible Ventura County Health Care Plan Employees. Dr. Allan is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Thrombocytopenia, Hypertension, Familial Hypertension, Liver Embolization, and Hip Replacement.

Offers high-quality, individualized care with compassion. Believes communication and collaboration with patients is the foundation for effective relationships. Through effective education, patients are empowered to partner in their care and achieve their health goals. Dr. Dixon is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Choledocholithiasis, Hernia, Breast Cancer, Hernia Surgery, and Colostomy.

Offers high-quality, individualized care with compassion. Believes communication and collaboration with patients is the foundation for effective relationships. Through effective education, patients are empowered to partner in their care and achieve their health goals. Dr. Lopresti is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Choledocholithiasis, Gallstones, Gallbladder Disease, Bladder Reconstruction, and Hernia Surgery.

I treat every patient as if they are my family or friends. I listen to my patients and treat them with the utmost respect, dedication, and commitment that I show my family and loved ones, putting their best health interests first. I treat the patient, not just a symptom or an ailment. I do my best to preserve the trust my patients place in me. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. Her top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, Bone Graft, and Vertebroplasty.

I offer high-quality, individualized care with compassion. Communication and collaboration with my patients are the foundation for effective relationships. Patients can partner in their care and achieve their health goals through effective education. Dr. Balloch is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. Her top areas of expertise are Breast Cancer, Chronic Cough, Premature Ovarian Failure, and Vertigo.

Dr. Tuai attended Ohio State University, College of Medicine after he received his Undergraduate Degree in Biochemistry at UC Davis in 1992. He completed his general surgery residency at UC San Francisco/Fresno, where he spent a year as a clinical instructor in the Department of Surgery, before beginning a private practice in Chino. He joined the Group in December, 2004.Dr. Tuai is a Board Certified surgeon and a Fellow of the American College of Surgeons who has extensive experience with advanced laparoscopic and minimally invasive techniques including robotic surgery.Dr. Tuai's passion is minimally invasive surgeries, especially involving the colon, stomach, gall bladder, and hernias. He is fluent in Mandarin Chinese and Korean.Offers high-quality, individualized care with compassion. Believes communication and collaboration with patients is the foundation for effective relationships. Through effective education, patients are empowered to partner in their care and achieve their health goals. Dr. Tuai is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Hernia, Gallstones, Choledocholithiasis, Hernia Surgery, and Ileostomy.

Patrick Mccarty is a General Surgeon in Oxnard, California. Dr. Mccarty is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Hernia, Gallstones, Choledocholithiasis, Gallbladder Removal, and Endoscopy. Dr. Mccarty is currently accepting new patients.

Dr. Eisner attended medical school at New York University after receiving his undergraduate degree in Integrative Biology at U.C. Berkeley. He completed his General Surgery residency at U.C. San Diego. Dr. Eisner is a board eligible general surgeon with extensive experience in general surgical procedures including gastrointestinal (esophageal, stomach, small intestine, colon, rectal and anus), esophageal reflux, hernia (inguinal, umbilical, and ventral), skin and soft tissue (skin cancer and melanoma, lipoma, pilonidal), breast (benign and cancer) with advanced laparoscopic, minimally invasive, endoscopic, and robotic surgery skills.  As the newest member of our surgical team and a Southern California native, Dr. Eisner spends his off time surfing, rock climbing, and hiking. He is conversant in Spanish and fluent in French. Dr. Eisner is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Gallstones, Hernia, Gallbladder Disease, Bladder Reconstruction, and Gallbladder Removal.

Dr. Lisa Babashoff is Board Certified in General Surgery and a Fellow of the American College of Surgeons. She has been in practice in the Ventura County area since the year 2000. She completed her undergraduate work at UCLA, attended Chicago Medical School, and went on to complete her general surgery residency at UC San Francisco/Fresno. Dr. Babashoff is the ​​Director of the Integrated Breast Center at St. John’s Regional Medical Center. She brings a broad range of general surgery experience to the Group, including a focus on breast and laparoscopic surgery. She is conversant in the Spanish language. Dr. Babashoff is a member of the American Society of Breast Surgeons and serves on the Board at the Integrative Breast Center at St. John’s Regional Medical Center as the Designated Breast Surgeon.Offers high-quality, individualized care with compassion. Believes communication and collaboration with patients is the foundation for effective relationships. Through effective education, patients are empowered to partner in their care and achieve their health goals. Dr. Babashoff is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. Her top areas of expertise are Intraductal Papilloma, Angiosarcoma, Inflammatory Breast Cancer, Hernia Surgery, and Colostomy.

Jay Guan is a Gastroenterologist in Camarillo, California. Dr. Guan is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Hemorrhoids, Hiatal Hernia, Congenital Diaphragmatic Hernia, Colonoscopy, and Gastrectomy. Dr. Guan is currently accepting new patients.

Ashwinee Condon is a Gastroenterologist in Camarillo, California. Dr. Condon is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. Her top areas of expertise are Familial Adenomatous Polyposis, Barrett Esophagus, Gastroesophageal Reflux Disease (GERD), Swallowing Difficulty, and Endoscopy.

Jocelyn Napod is a primary care provider, practicing in Internal Medicine in Camarillo, California. Dr. Napod is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. Her top areas of expertise are Premature Ovarian Failure, Chronic Cough, Infertility, and Vertigo.

Mark Stokols is a primary care provider, practicing in Internal Medicine in Camarillo, California. Dr. Stokols is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Chronic Cough, Vertigo, Glucocorticoid-Remediable Aldosteronism, and Hypertension.

Kay Yan is a Radiologist in Camarillo, California. Dr. Yan is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. Her top areas of expertise are Visceromegaly, Thyroid Nodule, Carbuncle, and Folliculitis.

John Wrench is a Radiologist in Camarillo, California. Dr. Wrench is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Herniated Disk, Aseptic and Alopecic Nodules of Scalp (AANS), Vertigo, and Angiomyoma.

Walid Arnaout is a General Surgeon in Thousand Oaks, California. Dr. Arnaout is rated as an Experienced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Delirium, Gallbladder Disease, Hernia, Colostomy, and Hernia Surgery. Dr. Arnaout is currently accepting new patients.

Justin Marasigan is a Gastroenterologist in Oxnard, California. Dr. Marasigan is rated as an Advanced provider by MediFind in the treatment of Diverticular Disease. His top areas of expertise are Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, Gastrectomy, and Colonoscopy. Dr. Marasigan is currently accepting new patients.