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

The office of Melanchton A. Mangoba, MD, offers comprehensive internal medicine services to the Riverside, California, community. The health care team specializes in diagnosing and treating a variety of acute and chronic diseases in adults. They also focus on preventive health services and annual wellness exams to reduce risk factors for long-term health complications through individually tailored Healthy Plans.

As a board-certified internal medicine physician, Dr. Mangoba provides primary care services to manage hypertension, renal failure, diabetes, and other chronic diseases. He and his team also focus on the specialized needs of geriatric patients. They diagnose and treat conditions like dementia with respect and dignity.

The office of Melanchton A. Mangoba, MD, has the latest diagnostic testing technologies to give patients answers to their health questions as soon as possible. The team takes a patient-focused approach to health care and provides preventive resources to support long-term health and wellness. Dr. Mangoba strives to provide the highest quality of patient care and enjoys building a strong foundation for patient-physician relationships.

If you’re looking for a compassionate internal medicine physician, schedule an evaluation online or by calling Melanchton A. Mangoba, MD, today.

Youram Nassir, MD, is a world-renowned hematologist and oncologist serving patients at Cancer Care Institute in the Mid-Wilshire district of Los Angeles, California. With 22 years in practice, Dr. Nassir applies his unrivaled understanding of cancer care to the effective treatment of brain, lung, liver, pancreas, prostate, ovarian, breast, leukemia, multiple myeloma, colon, stomach, head and neck cancer, and lymphoma. His multidisciplinary, collaborative approach and persistence have helped save countless lives over the last two decades, winning him recognition within his community and the medical field.

Many people discover their passion later in life, but Dr. Nassir has always been firmly devoted to the science of healing. From the early age of fourteen, he knew he would pursue a career in the medical field. 

His formal post-secondary education began in Canada at the University of Toronto. After completing two years of undergraduate studies, he moved to the United States to finish his degree at UCLA, one of California’s top research institutions. Dr. Nassir’s time at the University of California, Los Angeles, was integral in his future success as an esteemed physician. His passion for the healing arts fueled his studies, earning him acclaim among his peers and educators.

By the time Dr. Nassir graduated magna cum laude from UCLA in 1992, he was well-traveled, steeped in the knowledge of medical research, and eager to continue pursuing his passion for healing. Upon completing his undergraduate studies at UCLA, Dr. Nassir enrolled at the prestigious Cornell University Medical College in New York, one of the country’s most renowned medical schools. Here, he received the highly respected American Foundation for Urological Disease Research Scholarship for his outstanding performance in the program.

Dr. Nassir’s academic career at Cornell University was reaching new horizons when his father was diagnosed with terminal stage 4 prostate cancer. To be near his family during his father’s final months, Dr. Nassir made the difficult decision to transfer his medical schooling to UCLA. As he supported his father through his cancer treatment, he witnessed the vital role that oncologists play in the lives of cancer patients and their families. Through this pivotal, first-hand experience, Dr. Nassir realized his calling in the field of oncology.

After receiving his Doctor of Medicine from the UCLA School of Medicine in 1996, Dr. Nassir continued his medical training as an intern and resident for the next three years at UCLA Medical Center. In 1999, he chose to attend USC Medical Center and Norris Cancer Center as a hematology and oncology fellow, where he completed his hematology/oncology fellowship under the guidance of world-class mentors in both fields.

Dr. Nassir has been in practice for more than twenty years. He currently practices at his private practice, Cancer Care Institute, and is independently affiliated with Cedars-Sinai Medical Center. His success in his field can be attributed not only to his exceptional medical training and unshaken persistence but also to a deep and personal understanding of cancer and patient care.

Dr. Nassir understands that there is no such thing as “standard cancer,” so there shouldn’t be a standard approach to treating the disease. Instead, he takes a highly individualized, collaborative approach to patient care, offering novel therapies that are uniquely suited to your needs and circumstances. 

As cancer is a chronic disease, Dr. Nassir provides long-term care to help ensure the most positive possible outcomes. He has a unique understanding of the disease and stays with you and your family every step of the way, offering therapies, treatments, and dietary advice to help you make guided, well-informed decisions about your care. 

Today, Dr. Nassir’s reputation is widely celebrated in his community. Ratings from his patients and their families consistently spotlight his expertise and unyielding, compassionate approach. He is known as a gifted doctor and a compassionate man who strives daily to deliver hope and save lives.

In regard to his life mission and work, Dr. Nassir notes, “My hope is to continue to improve the quality of life for cancer patients, to turn incurable cancer from a death sentence into a chronic, manageable disease where people can live much longer and have satisfying lives.” Dr. Nassir is fortunate and humbled to have the opportunity to bring hope to cancer patients through individualized care and targeted cancer therapies.

Wasim H. Raja, MD, is proud to be the primary care provider of choice for many families in and around Anaheim, Huntington Beach, Santa Ana, Garden Grove, Irvine, and Newport Beach at his practice in Fountain Valley, California. He has earned a reputation for excellence through his attention to detail and unrushed, customized approach to health care. 

Dr. Raja earned his medical degree at Allama Iqbal Medical College in Lahore, Pakistan, in 1998. He went on to complete a residency through the SUNY Health Science Center in Brooklyn, New York.

After more than two decades of treating patients in clinics, hospitals, emergency rooms, intensive care units, and nursing home, Dr. Raja has an expansive body of experience. He is also skilled in telemedicine services. 

As a board-certified internal medicine specialist, Dr. Raja sought out and completed additional education and training to expand his skill set. He is also a proud member of the American College of Physicians. 

A firm believer in the power of personalized care, Dr. Raja takes the time to get to know his patients and their needs. He builds patient education into every interaction, empowering those in his care to take charge of their own unique health journeys. He also speaks English, Urdu, and Punjabi, and enjoys caring for patients of all backgrounds.  

Dr. Raja embraces a holistic approach to health care, recognizing and honoring the connections between body, mind, community, and spirit. While he delivers care solidly rooted in science, Dr. Raja also understands the value of traditional medicine and supports patients who want to integrate alternative care into their health planning. 

For those in the Fountain Valley, California, as well as surrounding areas, who are searching for outstanding primary care and family medicine specialist, taking the time to come in and meet Dr. Raja and his team is a worthy endeavor. Booking takes just moments online or over the phone.

Dr. Neil Katchman is a board-certified physician specializing in Internal Medicine and Emergency Medicine. He earned his Doctor of Osteopathic Medicine degree from the University of Health Sciences in Des Moines, Iowa, after completing his Bachelor of Arts at Miami University of Ohio. Dr. Katchman has extensive experience in both hospital and clinical settings, including affiliations with Community and Kindred Hospitals across the Los Angeles area. With over four decades of medical practice, he is committed to providing comprehensive care, drawing on his background in internal medicine, emergency medicine, and clinical research.

Joseph E. Pierson, MD began his professional career with undergraduate studies at UC Irvine. He attended medical school at UCLA, then went on to complete his residency at Emory University Grady Memorial Hospital with an emphasis upon Pediatrics and Internal Medicine. He is currently a member of the clinical staff at Southern California Hospital. He is also affiliated with California Hospital Medical Center, Silverlake Hospital, Gardena Memorial Hospital, and many more throughout the Los Angeles area. 

Dr. Pierson is the Medical Director and CEO of Allied Health Solutions Medical Group. In this role, he strives to provide Comprehensive Inpatient and Outpatient Care services for adults and children as well as to provide Women’s health and preventive health care within several communities.

Dr. Pierson's main objective is to develop a broader system of health care, improve the health of the general population, improve healthcare outcomes, and increase efficiency within a Medical Home Model. He strives to develop a robust system through strategic partnerships among physicians, specialists, hospitals, and community health centers.

Outside of his passion for his practice, Dr. Pierson enjoys billiards, traveling, bicycling, chess, and competitive sports.

Dr. Marc D. Makhani, the founder of LA Digestive Health and Wellness, located at the Cedars-Sinai Medical Towers in Beverly Hills, California, is one of the best Gastroenterologists in the Los Angeles area. Dr. Makhani's patients benefit from his expertise in delivering a variety of procedures including endoscopy, colonoscopy, video capsule endoscopy, radiofrequency ablation, and testing for acid reflux and motility disorders. Patients can seek diagnoses and treatment for conditions ranging from hemorrhoids to Barrett’s Esophagus and colon cancer.

Dr. Makhani pursued his bachelor’s degree at UCLA with a major in psychobiology. He also volunteered at the Santa Monica UCLA Hospital as an undergraduate. He then went on to obtain his medical degree as a doctor of medicine (MD) at the University of Vermont College of Medicine. He subsequently obtained a board certification in internal medicine after completing his residency at Cedars-Sinai Medical Center. Dr. Makhani then continued his medical training by pursuing a specialty in gastroenterology at Temple University Hospital in Pennsylvania before moving back to Los Angeles to begin his practice.

Dr. Makhani of LA Digestive Health and Wellness centers his principles on a passion for promoting overall health and wellbeing. Proper digestion and preventative care are essential to proper nutrition and he is a firm believer in practicing what one preaches. Dr. Makhani’s belief is that health is the result of a multifactorial process including an active lifestyle, digestive health, and proper dietary habits.

As one of the best gastroenterologists in the Los Angeles, CA area, Dr. Makhani has a wide range of clinical and research interests in gastroenterology that include acid reflux, peptic ulcer disease, colon cancer screening and prevention, motility disorders and irritable bowel syndrome (IBS).  We look forward to serving any and all of your digestive health needs. 

Pedram J. Enayati, MD, is Co-Director of Gastroenterology Associates of Beverly Hills. He is an expert in the care of gastroenterology patients, and is up to date on the latest treatments and cutting edge technology. As he and his Co-Director, Dr. Omid Shaye, have quickly become the “go-to” doctors for all GI disorders in Beverly Hills, California, Dr. Enayati brings a wealth of experience and knowledge to GABH.

Dr. Enayati has done extensive research on GI disorders, liver diseases, as well as liver/kidney transplantation. He is the author of numerous journal articles and abstracts and has presented on a variety of topics both nationally and internationally. Dr. Enayati is also the recipient of numerous awards, including Solomon Research Honors; Rubenstein Research Honors; and Excellence in Research award was given by the Western Medical Research Committee. He is a member of the American Society of Gastroenterology and Endoscopy; American

Gastroenterology Association; American College of Physicians; American Society of Internal Medicine; California Medical Association; and American Medical Students Association. Dr. Enayati has certifications from The American Board of Internal Medicine and American Board of Gastroenterology.

Dr. Enayati earned his undergraduate at the University of California, Los Angeles where he was Phi Beta Kappa, majoring in neuroscience, and then went on to earn his medical degree at the university’s medical school. He completed his internship and residency in internal medicine at Cedars Sinai Medical Center. He also did a Gastroenterology Fellowship in the Department of Digestive Diseases at UCLA’s David Geffen School of Medicine. Dr. Enayati lives in Los Angeles and is married and has a young daughter. He enjoys biking and hiking.

Dr. Sasan Massachi is a board-certified internal medicine specialist located in Beverly Hills, CA. His office facilities are equipped with a range of services for men and women including annual physicals, vaccinations, ultrasounds, digital x-rays, bone density scans, and EKG stress tests. Additionally, he offers patients the convenience of an in-house laboratory, ensuring expedited test results for his patients. Preventative care is paramount to Dr. Massachi's practice, as he specializes in the most innovative techniques available through modern medicine today. Additionally, Dr. Massachi assists patients with identifying healthy practices and behaviors to incorporate into their daily lives that can stave off common illnesses. 

Dr. Massachi received his undergraduate degree at the University of California, Los Angeles, and attended medical school at the University of California, San Diego. Upon graduating, Dr. Massachi completed his internship and residency at Cedars-Sinai Medical Center in Los Angeles. He is credentialed with a California State Medical License and certified with the American Board of Internal Medicine. After graduating in 2010 from his residency program, Dr. Massachi joined the prestigious physicians group at Century City Primary Care, and recently opened a new state of the art office in Beverly Hills. 

Additionally, Dr. Massachi remains affiliated with Cedars-Sinai Medical Center, performing a variety of procedures and overseeing inpatient care. Dr. Massachi's unique personal approach extends absolute courtesy, empathy, discretion, and respect to each of his patients, ensuring you receive foremost care and treatment in a comfortable and stress-free environment. 

To schedule an appointment please call 310-553-3013 or visit www.sasanmassachi.com/ and click on the ‘Request Appointment’ button.

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.

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.

Kanagaratnam Sivalingam, MD, FACP, is a skilled internist at First Valley Medical Group in Lancaster, California. He has more than 40 years of experience in treating numerous acute and chronic conditions. Dr. Sivalingam spends time with patients and listens to their concerns, giving them a voice in their treatment.

Dr. Sivalingam earned his medical degree from the University of Ceylon Medical School in Peradeniya, Sri Lanka. He completed his internal medicine training at the Hospital for Joint Diseases in New York City and his residency at Vembadi Polyclinic in Ceylon, Sri Lanka.

He maintains his advanced credentials with continuing education. Dr. Sivalingam is board certified in internal medicine and licensed in the state of California. He’s a fellow of the American College of Physicians and a member of the American Medical Association, American Society of Echocardiography, American Academy of Anti-Aging Medicine, and numerous other professional organizations.

At First Valley Medical Group, Dr. Sivalingam provides premium care for patients with a variety of chronic diseases using a compassionate bedside manner. He uses the most innovative technology and procedures to provide expert treatments.

Dr. Sivalingam evaluates each patient as a whole person and offers conservative treatments whenever possible. He and his team warmly welcome patients to First Valley Medical Group and look forward to serving them.

Dr. Barry Buffman has been practicing since 1980 in internal medicine with a specialty in urology. He graduated from the Rush Medical College in Chicago, IL and practices with a focus on a multitude of urological issues, such as sexual dysfunction, bladder, and prostate conditions. In addition, Dr. Buffman is involved with medical research for various urological conditions. In his spare time Dr. Buffman has a passion for teleplay/screenplay, musical composition, guitar, and piano.