Become an active member of the community for which you wish to care for. Dr. Tushla is rated as an Experienced provider by MediFind in the treatment of Gastroesophageal Reflux Disease (GERD). His top areas of expertise are Chronic Cough, Tracheitis, Tietz Syndrome, and Costochondritis.

To be the best trained to care for the entire family. Dr. Dekkers is rated as an Experienced provider by MediFind in the treatment of Gastroesophageal Reflux Disease (GERD). His top areas of expertise are Factor V Leiden Thrombophilia, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

Prevention has always been my philosophy for the care of individuals. Dr. Deutsch is rated as an Experienced provider by MediFind in the treatment of Gastroesophageal Reflux Disease (GERD). His top areas of expertise are Cerebral Palsy, Familial Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

Jian Chen is a primary care provider, practicing in Internal Medicine and Geriatrics in Santa Paula, California. Dr. Chen is rated as an Experienced provider by MediFind in the treatment of Gastroesophageal Reflux Disease (GERD). Her top areas of expertise are Breast Cancer, Nontuberculous Mycobacterial Lung Disease, Type 2 Diabetes (T2D), and Maturity Onset Diabetes of the Young. Dr. Chen is currently accepting new patients.

We Care About You!. Dr. Argueta is rated as an Experienced provider by MediFind in the treatment of Gastroesophageal Reflux Disease (GERD). His top areas of expertise are High Cholesterol, Vitamin D Deficiency, Tracheitis, and Asthma in Children.

Laya Nasrollah is a Gastroenterologist in Ventura, California. Dr. Nasrollah is rated as a Distinguished provider by MediFind in the treatment of Gastroesophageal Reflux Disease (GERD). Her top areas of expertise are Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Diarrhea, Endoscopy, and Gastrectomy. Dr. Nasrollah is currently accepting new patients.

Gary Wikholm is a primary care provider, practicing in Family Medicine in Santa Paula, California. Dr. Wikholm is rated as an Experienced provider by MediFind in the treatment of Gastroesophageal Reflux Disease (GERD). His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Dysgraphia, and Alcoholic Neuropathy. Dr. Wikholm is currently accepting new patients.

Alan Lyne is a primary care provider, practicing in Family Medicine in Santa Paula, California. Dr. Lyne is rated as an Experienced provider by MediFind in the treatment of Gastroesophageal Reflux Disease (GERD). His top areas of expertise are Hypertensive Heart Disease, High Cholesterol, Sciatica, and Enlarged Liver. Dr. Lyne is currently accepting new patients.

Michael Sparkuhl is a General Surgeon in Santa Paula, California. Dr. Sparkuhl is rated as an Experienced provider by MediFind in the treatment of Gastroesophageal Reflux Disease (GERD). His top areas of expertise are Paget Disease of the Breast, Breast Cancer, Hernia, Gallbladder Disease, and Hernia Surgery.

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 Gastroesophageal Reflux Disease (GERD). Her top areas of expertise are Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Painful Swallowing, Endoscopy, and Colonoscopy.

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 Gastroesophageal Reflux Disease (GERD). His top areas of expertise are Familial Adenomatous Polyposis, Gastrointestinal Bleeding, Angiodysplasia of the Colon, Endoscopy, and Gastrectomy.

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. Anees is rated as an Experienced provider by MediFind in the treatment of Gastroesophageal Reflux Disease (GERD). His top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

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. Johnston is rated as an Experienced provider by MediFind in the treatment of Gastroesophageal Reflux Disease (GERD). Her top areas of expertise are Congenital Sucrase-Isomaltase Deficiency, Glucose-Galactose Malabsorption Deficiency, Glucose Phosphate Isomerase Deficiency, and Type 2 Diabetes (T2D).

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 Gastroesophageal Reflux Disease (GERD). His top areas of expertise are Thrombocytopenia, Hypertension, Familial Hypertension, Liver Embolization, and Hip Replacement.

Dr. Simpson is a pioneer in minimally invasive (laparoscopic) surgery and known for being one of the first surgeons to be certified in Culinary Medicine. Dr. Simpson received his undergraduate, graduate, and medical degrees from The University of Chicago, and conducted his surgical residency at Virginia Mason Medical Center in Seattle. He is a member of the American Society of Bariatric Surgeons, and is a Fellow in The American College of Surgeons.In addition Dr. Simpson serves as the treasurer of the governing board of directors for The Alaska Native Medical Center, and on the board of Southcentral Foundation in Anchorage ALaska- the only healthcare team to win two Malcolm Baldridge awards for excellenceOur clinic has been chosen by many Californians for their general and weight loss surgery. Dr. Simpson's weight loss surgery program  offers a very comprehensive after-care program. In addition to weight loss surgery Dr. Simpson specializes in general surgery and is known for his work on the esophagus (hiatal hernias), as well as the gallbladder, stomach, small bowel, and colon. His strong belief in relationship based medicine and compassionate care. It is that philosophy that guides the clinic through all phases of patient care. Dr. Simpson is rated as an Experienced provider by MediFind in the treatment of Gastroesophageal Reflux Disease (GERD). His top areas of expertise are Peptic Ulcer, Necrosis, Obesity, Sleeve Gastrectomy, and Gastrectomy.

Kip Lyche is a Gastroenterologist in Ventura, California. Dr. Lyche is rated as a Distinguished provider by MediFind in the treatment of Gastroesophageal Reflux Disease (GERD). His top areas of expertise are Esophageal Varices, Enlarged Liver, Visceromegaly, Endoscopy, and Colonoscopy. Dr. Lyche is currently accepting new patients.

Charles Menz is a Gastroenterologist in Ventura, California. Dr. Menz is rated as a Distinguished provider by MediFind in the treatment of Gastroesophageal Reflux Disease (GERD). His top areas of expertise are Familial Adenomatous Polyposis, Hepatitis C, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Gastrostomy. Dr. Menz is currently accepting new patients.

Benito Pedraza is a Gastroenterologist in Ventura, California. Dr. Pedraza is rated as a Distinguished provider by MediFind in the treatment of Gastroesophageal Reflux Disease (GERD). His top areas of expertise are Familial Adenomatous Polyposis, Gastrointestinal Bleeding, Gastric Dysmotility, Endoscopy, and Gastrectomy. Dr. Pedraza is currently accepting new patients.

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 Gastroesophageal Reflux Disease (GERD). 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 Gastroesophageal Reflux Disease (GERD). His top areas of expertise are Hernia, Gallstones, Choledocholithiasis, Gallbladder Removal, and Endoscopy. Dr. Mccarty is currently accepting new patients.