Find a Top Internist Near Me in Oxnard, CA – Book an Appointment Instantly

The concierge practice of Alexis Peraino, MD, INC. offers individualized care and personal attention to help patients achieve ultimate wellness. Serving adults in Westlake Village, California, Dr. Peraino takes time with each patient to learn about all aspects of their health. This thorough examination helps her get to know the entire person so she can offer effective preventive care.

Because Dr. Peraino sees a limited number of patients, she can really devote time and resources to their wellness, longevity, and disease prevention. She uses evidence-based medicine strategies to optimize all factors affecting a person’s health, including nutrition, physical activity, and other aspects of lifestyle.

The concierge practice also provides comprehensive internal medicine services, including diagnosing and treating acute conditions like the flu, a rash, or sore throat. She can also help you manage chronic disease and improve symptoms to avoid complications and live as healthy a life as possible. 

Call today or use this website to schedule a consultation online to benefit from Dr. Peraino’s dedicated care. With her help, patients can achieve the best health possible.

Dr. Bryan is a specialist in Internal Medicine focusing on preventive medicine, women's health, hypertension treatment, osteoporosis, and healthy living.

Brittany Bryan, MD, is an Internal Medicine physician at Premium Care Internal Medicine, located in Santa Barbara, California. Dr. Bryan was born & raised in Vancouver, British Columbia. She earned her Bachelor of Science degree in Biochemistry from the University of Washington in Seattle, graduating on the Dean’s List. Following medical school at St. George’s University, she completed her Internal Medicine Internship at the University of British Columbia in Vancouver. She then went on to complete her Internal Medicine Residency at Santa Barbara Cottage Hospital. She served as Chief Medical Resident in her last year of residency. Following her residency, she completed an additional fellowship at Santa Barbara Cottage Hospital for further subspecialty training in Internal Medicine & Primary Care.

Following training, Dr. Bryan moved to Boston, Massachusetts where her husband was pursuing training in Diagnostic Radiology at Massachusetts General Hospital. She worked three years at Lahey Clinic Primary Care on the North Shore of Boston. She represented her Clinic as one of the Medical Directors for Lahey Health Primary Care. In 2015, her Clinic won the Lahey Clinic award for the highest Press Ganey scores, for the best “most likely to recommend” scores from patients.

Dr. Bryan then went on the work at Kaiser Permanente in Los Angeles. Dr. Bryan was an active member of the medical staff of Kaiser Permanente, West Los Angeles and practiced in Los Angeles for one year before moving to Santa Barbara.

Dr. Bryan is now returning to Santa Barbara and is eager to take excellent care of the members of the Santa Barbara community. She was certified by the American Board of Internal Medicine in 2013 and is a member of the American College of Physicians. Her professional interests include preventive medicine, women’s health, hypertension treatment, osteoporosis, and healthy living.

At Premium Care Internal Medicine, Dr. Bryan will work with you to come up with an individualized care plan & ensure all of your medical needs are met. She prides herself on responsiveness, fostering long term patient-doctor relationships, and quality care.

Dr. Bryan and her husband, Roy, have two young boys Roy and Thomas. When not caring for her patients, some of her favorite activities include spending time with her family, exercising, and maintaining a healthy lifestyle.

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"I love Dr Bryan. She always listens very closely to my symptoms and looks at my history to figure out the best way to treat my problem." -Verified Patient on Healthgrades

Dr. Roxana Ledig is a board-certified internal medicine physician dedicated to delivering personalized, proactive, and relationship-centered care to the Santa Barbara community.

She earned her undergraduate degree in Biochemistry from University of California, Los Angeles, where she developed an early appreciation for science and service that shaped her path to medicine. Before medical school, she worked in biomedical sciences, contributing to the development of diagnostic products used in organ transplantation.

She went on to earn her medical degree with Highest Honors from Ross University School of Medicine. During medical training, she served as Director of the Salybia Mission Project, a student-run clinic providing free medical care to underserved communities in Dominica.

Dr. Ledig completed a rigorous Internal Medicine residency at Santa Barbara Cottage Hospital, where she developed a strong clinical foundation in comprehensive adult medicine. She later practiced outpatient primary care at Sutter Health, further deepening her commitment to preventive care and long-term wellness. She is board-certified in Internal Medicine and serves on the medical staff at Santa Barbara Cottage Hospital.

Her professional interests include preventive medicine, healthy lifestyle optimization, hypertension, osteoporosis, cardiovascular health, women’s health and menopause care, proactive chronic disease management, and longevity medicine.

Dr. Ledig is passionate about staying current with the latest medical research, emerging therapies, and advances in medicine. She believes continuous learning is essential to providing the highest level of care and is dedicated to ongoing study and professional development throughout her career.

As a concierge physician, Dr. Ledig is committed to providing exceptional, compassionate care while building trusted, enduring relationships that support long-term health and well-being.

Outside of medicine, she enjoys spending time with her husband and daughter, practicing yoga and Pilates, and exploring the outdoors and beaches of Santa Barbara.

Dr. Jansen is Board Certified in Internal Medicine with over a decade of experience. Dr. Jansen was born and raised in Santa Barbara, California.

After graduating from medical school at the Ben-Gurion University of the Negev in Israel, Dr. Jansen returned to her hometown where she completed her Internal Medicine Residency at Santa Barbara Cottage Hospital and served as Chief Medical Resident during her third year. Following her residency, Dr. Jansen worked for ten years both in primary care at Sansum Clinic and in acute care as a rotating hospitalist at Santa Barbara Cottage Hospital.

Dr. Jansen completed her undergraduate degree in Microbiology at California Polytechnic State University, San Luis Obispo, where she was recognized on the Dean’s List, President’s Honors List, and the College of Science and Math Living/Learning Program Honor Society. During her undergraduate studies, she completed a research fellowship through the Ohio University Heritage College of Osteopathic Medicine, where she participated in tropical disease research including epidemiological, entomological, and clinical studies in rural communities in Ecuador.

During her research fellowship, she developed a passion for global health. This inspired her to attend Ben-Gurion University of the Negev Medical School for International Health, in Collaboration with Columbia University Medical Center, which incorporated global health as well as cross-cultural medicine into the coursework. This included an eight-week global health clerkship in Uganda where she studied in both rural and urban hospital settings. She spent several weeks in the HIV/TB ward at Mulago Hospital in Kampala and then traveled to Nkosi and studied in a small medical clinic and visited villages to promote health. In addition to her studies, she made time to serve as an English tutor to Bedouin children, and to play soccer for a women’s professional team.

Dr. Jansen is honored to care for the Santa Barbara community she grew up in and loves so much. She aspires to provide continued compassionate patient-centered care in her practice. Her professional interests include preventative medicine, women’s health, nutrition, and managing the chronic disease for longevity and quality of life.

Dr. Jansen attended Washington Elementary School, La Cumbre Junior High School, and San Marcos High School where she is a frequent guest-speaker for the San Marcos Health Academy to share her career path with aspiring young health professionals. She enjoys spending time with her husband and two children in the beautiful outdoors of Santa Barbara.

Dr. Jansen was certified by the American Board of Internal Medicine in 2012. She is an active member of the Medical Staff of Santa Barbara Cottage Hospital and Goleta Valley Cottage Hospital, Department of Internal Medicine.

Meet Dr. Fink

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Samuel I. Fink, MD, FACP, is an internal medicine and primary care specialist in private practice in Tarzana, California. His patients receive comprehensive primary care for the full range of health conditions, including headaches, diabetes, hypothyroidism, sleep apnea, arthritis, and coronary artery disease. Patients appreciate the time and attention they receive thanks to Dr. Fink’s dedication to individualized care which encompasses a full diagnostic assessment. Beyond Dr. Fink’s expert care, patients also benefit from the convenience of on-site laboratory services, bone densitometry, X-rays, ultrasound, Echocardiography, and Treadmill Stress Testing. All of Dr. Fink's patients experience the benefit of concierge level care without the cost. A Los Angeles native, Dr. Fink graduated from Grant High School in Van Nuys and then attended Pomona College in Claremont. After graduating with honors in biochemistry, he attended medical school at the University of Texas Medical Branch (UTMB) in Galveston. Dr. Fink completed his residency in internal medicine at Huntington Memorial Hospital in Pasadena and then entered private practice in Tarzana. He’s on the medical staff at Providence Tarzana Medical Center, where he’s the Chair of the Institutional Review Board. Dr. Fink has been a member of the Los Angeles County Medical Association (LACMA) for nearly 30 years, where he served as the 141st President. He has also served as the President of the San Fernando Valley/Santa Clarita Medical Society, as well as the Chair of the LACMA delegation to the California Medical Association (CMA). With a dedication to advocating for physicians and patients, Dr. Fink has chaired the Public Health Reference Committee at the CMA House of Delegates and has served as a past member of the Council on Legislation as well as the Chairman of the President’s Forum. Dr. Fink teaches medical students at the David Geffen School of Medicine at UCLA, where he proudly serves as an Associate Clinical Professor of Medicine. When he’s not in the office, Dr. Fink spends his time with his family. He enjoys spinning, skiing, and playing basketball and actively follows the Lakers, Dodgers, Rams, and Kings.

Dr. Afshine Emrani is a cardiologist who serves the residents of Tarzana, California, in addition to the greater Los Angeles area. At Los Angeles Heart Specialists, the doctor and his staff offer a variety of cardiology services including preventative care for heart disease, stress testing, treadmill testing, and treatment of many different kinds of health conditions including high blood pressure, high cholesterol, diabetes, thyroid disorders, and peripheral arterial disease. Dr. Emrani specializes in identifying biomarkers and other naturally occurring identifiers that help him treat heart disease in both men and women. He offers a wide variety of services to his patients including weight management plans, the control and maintenance of cholesterol levels, and nutritional plans geared towards a more heart-healthy lifestyle. An on-site lab makes testing quick and cost-effective.

Dr. Emrani attended the University of California, Los Angeles where he obtained his Bachelor of Science degree where he was inducted into the Biological Honors Society. He also attended the University of California, San Diego where he completed his medical degree. During that time, he participated in two sub-internships, one in Cardiology and the other in Intensive Care. He also worked at the Cedar Sinai Medical Center and completed an additional sub-internship infectious disease. An internship was also completed during the years he worked with the Veteran's Affairs Administration. While working at the Kaiser Permanente campus of the University of Southern California, Dr. Emrani earned a fellowship in the field of Cardiology.

With more than twenty years of experience, Dr. Emrani is a leader in his field. His knowledge of cutting-edge technology and the use of state-of-the-art diagnostic equipment allows him the privilege of offering his patients the best cardiac care possible. He continues his education on a regular basis by attending classes and seminars that allow him to stay abreast of the latest advancements in the field of cardiology and infectious diseases. His certification in both basic and advanced cardiac life support makes him one of the most prominent cardiologists in Southern California.

Dr Khosla is fellowship trained in
interventional pain management,
functional & regenerative medicine. He is
also board certified in multiple specialities
such as neurocritical care, headache
medicine, orthopedic regenerative
medicine and is also a certified brain
injury specialist.

He provides an array of pain treatments
such as platelet-rich plasma (PRP), stem
cell regenerative therapies along with
prolotherapy, epidurals, radio-frequency
ablations, peripheral nerve blocks, joint
injections, spinal cord stimulators, vertiflex
interspinous spacer implants,
percutaneous laser disc discectomy
(LASE), and more.

Gabe Vorobiof, MD, is the Director of Cardiac PET Partners in Encino, California. He has 20 years of experience in advanced cardiovascular imaging techniques, including cardiac PET. 

He was previously Director of Adult Non-Invasive Cardiology Laboratories at Ronald Reagan UCLA Medical Center and the UCLA Cardiovascular Center. He is currently an associate clinical professor of cardiology and medical & molecular pharmacology at the David Geffen School of Medicine at UCLA.

Dr. Vorobiof completed medical school training at Witwatersrand University in Johannesburg, South Africa, followed by an internship at the famed Chris Hani Baragwanath Hospital in Soweto. He then undertook Senior House Officer training at the University of Cape Town’s Groote Schuur Hospital (famous for the world’s first successful heart transplant). He completed internal medicine training at Columbia University’s St. Luke’s Roosevelt Medical Center in Manhattan, New York, followed by a cardiovascular disease fellowship at the University of Rochester Medical Center in Rochester, New York. He then pursued advanced training in cardiac PET, cardiac CT, cardiac MRI, and vascular imaging at Harvard Medical School’s Brigham & Women’s Hospital in Boston, Massachusetts.

He was previously on faculty in the Departments of Cardiology & Radiology as an assistant professor at Yale New Haven Hospital. Following his move to California, he assumed the Directorship of Cardiac Imaging at the University of California Irvine’s Long Beach Memorial Medical Center under Dr. Jagat Narula.

Dr. Vorobiof is married, has three beautiful children, and lives in Calabasas, California.

At RAOOF MD Dermatology, located in Encino, California, Dr. T. Joseph Raoof and his team serve patients throughout the San Fernando Valley and Greater Los Angeles Area.  Dr. Raoof brings over 30 years of experience to his practice, specializing in both internal medicine and dermatology. As a doctor with many years of experience in internal medicine, Dr. Raoof has performed extensive research when it comes to the diagnosis and treatment of hypertension or high blood pressure. Dr. Raoof uses state of the art tools and treatment options to better serve his patients. In addition to Dr. Raoof's background in internal medicine, his practice also focuses on medical and cosmetic dermatology services. Services range from skin cancer treatment, psoriasis, and hair loss, to injectables, fillers, and laser treatments. Dr. Raoof is proud to offer RAOOF MD Dermatology's specially formulated skin care product line to meet each patient’s individual needs. Additionally, the Encino Research Center is located at RAOOF MD Dermatology, where patients can participate in clinical trials covering various conditions.

Catherine Fuller, MD, is a respected allergy, asthma, and immunology specialist known for her in-depth approach. Time is dedicated to discovering the root cause of illness, rather than just treating symptoms. She prioritizes patient education, desensitization, and avoidance of allergy triggers. She emphasizes the judicious use of medications, avoiding overuse of antibiotics. She is well-versed with modern biologic therapies for food allergy, eczema, asthma, hives, mast cell disorders, and chronic sinusitis. She is recognized as an astute diagnostician, as a Super Doctor of Los Angeles, and among “America’s Top Physicians”. She served as President of the Los Angeles Society of Allergy and Clinical Immunology, and actively participates in maintenance of Board Certification. Book appointments online or by phone for specialized and compassionate care.

Our goal at Infinity Wellness Institute is to help you manage your symptoms and improve your quality of life. Dr. Isabella Lai, MD will bring the best of modern Western medicine and combine it with integrative medicine to help you on your healing journey. We offer Acupuncture, Cupping, Trigger Point, and Food As Medicine, in addition to a meditation journey. Our modalities are evidence based and will get you back to living your most vibrant life.

As a physician, my passion is to educate and empower my patients with truth and inspiration. To me, wellness is not the absence of disease, but rather a life of happiness, health and vitality. My medical wisdom is rooted in integrative treatments and a command of Western and Eastern medicines. My interdisciplinary background provides a variety of tools that help patients achieve success. Rather than focusing on symptoms, I address the whole person using a multi-faceted lens and treat them through orchestrating bio-identical hormones, IV nutrition therapy, heavy metal detoxification, and vitamin shots. I welcome the challenge of complex medical issues spanning from low energy, poor sleep, brain fog, weight issues, and hormonal and immunological imbalances.

Dr. Jeff Toll is passionate about developing strong patient-physician relationships and is committed to helping his patients improve their overall health and well-being. At his Los Angeles-based private practice, he focuses on delivering integrated preventive care. His holistic approach focuses on providing highly personalized care that caters to each patient’s whole health — mind, body, and soul.

Dr. Toll completed his bachelor’s degree at the University of Southern California. He went on to earn his medical doctorate at Thomas Jefferson University in Philadelphia and completed his Internal Medicine Residency at Cedars-Sinai in Los Angeles.   

Dr. Toll understands his patients are busy and has structured his Los Angeles-based practice to accommodate their schedules and needs. In addition to his concierge program,  Dr Toll is now in network with medicare.  He also provides executive physicals, specialized preventative testing, as well as being available on a limited basis for house calls and telemedicine services. Patients benefit from functional medicine aimed at improving and balancing their hormones and body function, including IV therapies and customized weight loss programs.

Outside of his practice, Dr. Toll is Volunteer Faculty at Cedars-Sinai Internal Medicine Residency, teaching interns, residents, and UCLA medical students. He also has done medical research and has published in the areas of medical genetics, cancer, and addiction.

Dan Naim, MD, is a pulmonary, critical care, and sleep medicine specialist at The Beverly Hills Lung and Sleep Institute in Beverly Hills, California.

Dr. Naim graduated from Drexel University College of Medicine in Philadelphia in 2004.  He then completed his residency at the UCLA-VA combined Internal Medicine residency program. He subsequently completed a fellowship in Sleep Medicine at the same institution. He continued his medical training by completing a fellowship in Pulmonary and Critical Care Medicine at Cedars-Sinai Medical Center in Los Angeles. 

He is quadruple board-certified through the American Board of Internal Medicine in the fields of Internal Medicine, Sleep Medicine, Pulmonary Medicine, and Critical Care Medicine.  He is a member of the American Academy of Sleep Medicine and the American College of Chest Physicians. He expertly manages a wide range of conditions related to pulmonary disease and sleep disorders in addition to taking care of critically ill patients in the hospital.  His clinical areas of interest include obstructive lung disease, lung cancer diagnosis, chronic cough, interstitial lung disease, obstructive sleep apnea, and narcolepsy.  During his consultations, Dr. Naim fully explains patients’ conditions and helps them choose an appropriate treatment plan. 

To better serve his patients, Dr. Naim is trilingual in English, Spanish, and Farsi.

Dr. Adam Karns is a physician serving patients in the Los Angeles, CA area. Dr. Karns feels strongly that each and every patient deserves the highest standard of medical care. Through his solo medical practice, he strives to provide exactly that to each patient every day. Dr. Karns offers services including hypertension treatment, diabetes treatment, ear infection treatment, heart disease treatment, mental health treatment, common cold treatment, obesity management, and much more through physical exams.

Dr. Karns attended University of California Los Angeles, where he earned his Bachelors of Arts in History. he then went on to earn his Masters Degree in Physiological Studies and Doctorate of Medicine from Chicago Medical School. With more than 18 years of experience as a board certified Internal Medicine physician, Dr. Karns has the knowledge and experience to provide patients with the very best in care. Call anytime to arrange an appointment with Dr. Karns.