The 20 Best Hypervitaminosis D Doctors Near Me in Irvine, CA
Find the Top Hypervitaminosis D Experts and Specialists
Harbor-UCLA Nephrology
from Wikipedia: https://en.wikipedia.org/wiki/Kamyar_Kalantar-ZadehEducationKalantar-Zadeh received his education in medicine from the University of Bochum and University of Bonn (Germany) and his M.D. degree from the University of Erlangen-Nuremberg (Germany).[1] In addition, he obtained a master's degree in public health (Master of Public Health, MPH) and a PhD in epidemiology from the University of California, Berkeley.[1] He is a practicing triple board certified physician specialist in internal medicine, pediatrics, and nephrology.[1] Kalantar-Zadeh completed his residency at the State University of New York and his nephrology fellowship at the University of California, San Francisco.[1]CareerKalantar-Zadeh is a professor of medicine at the David Geffen School of Medicine at UCLA and based at the Lundquist Institute for Biomedical Innovation at Harbor–UCLA Medical Center (2000-2012, and since 2023), where he worked with his former mentor Joel D. Kopple and served as the founding director of the Harold Simmons Center for Chronic Disease Research and Epidemiology. During 2012-2022 Kalantar-Zadeh was in the University of California, Irvine School of Medicine as a tenured professor of medicine, pediatrics, public health, and Nursing Sciences, and chief of Nephrology,[1] and the UC Irvine Medical Center. He also serves as a part-time staff physician at Tibor-Rubin VA Medical center in Long Beach, California, under the Veterans Health Administration. Kalantar-Zadeh has r. Dr. Kalantar-Zadeh is rated as an Advanced provider by MediFind in the treatment of Hypervitaminosis D. He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses Chronic Kidney Disease, Hypertension, High Potassium Level, Kidney Transplant, and Nephrectomy. Dr. Kalantar-Zadeh is board certified in Interal Medicine, Nephrology, and Pediatrics. Dr. Kalantar-Zadeh is currently accepting new patients.
UC Irvine Medical Center
Dr. Ramy M. Hanna is board-certified UCI Health nephrologist who specializes in the treatment of kidney disease and kidney dialysis.He has extensive experience in many dialysis modalities, including working with patients who are on mechanical circulatory and those who have had multiple organ transplants.Hanna earned his medical degree at the UC San Diego School of Medicine, followed by a residency in internal medicine and a fellowship in nephrology at Olive View-UCLA Medical Center in Sylmar, Calif.His research interests include glomerulonephritis, podocytopathies, atypical hemolytic uremic syndrome/thrombotic micro-angiopathy, hyponatremia management and theoretical modeling, and medical informatics. In 2017, he was appointed as a fellow of the American Society of Nephrology and a fellow of the American College of Physicians. He also is a member of the National Kidney Foundation.Hanna, who speaks Arabic and Spanish, sees patients inOrangeandTustin. Dr. Hanna is rated as a Distinguished provider by MediFind in the treatment of Hypervitaminosis D. He is also highly rated in 26 other conditions, according to our data. His clinical expertise encompasses Atypical Hemolytic Uremic Syndrome (aHUS), Hemolytic-Uremic Syndrome, D-Plus Hemolytic Uremic Syndrome, Kidney Transplant, and Parathyroidectomy. Dr. Hanna is board certified in American Board Of Internal Medicine - Nephrology.
Ravinder Singh, Md, Inc.
Ravinder Singh is a primary care provider, practicing in Family Medicine in Upland, California. He has been practicing medicine for over 27 years. Dr. Singh is rated as a Distinguished provider by MediFind in the treatment of Hypervitaminosis D. He is also highly rated in 123 other conditions, according to our data. His clinical expertise encompasses Milk-Alkali Syndrome, Hypercalcemia, Type 2 Diabetes (T2D), Cataract Removal, and Hormone Replacement Therapy (HRT). Dr. Singh is board certified in American Board Of Family Medicine.
Comprehensive Renal Care Group A Medical Corp.
Muhammad Bashir is a Nephrologist practicing medicine in Chico, California. Dr. Bashir is rated as a Distinguished provider by MediFind in the treatment of Hypervitaminosis D. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Chronic Kidney Disease, Acute Kidney Failure, End-Stage Renal Disease (ESRD), and Nephrosclerosis.
Stanford Hospital And Clinics
Yasaman Motlaghzadeh is an Endocrinologist practicing medicine in Stanford, California. Dr. Motlaghzadeh is rated as an Advanced provider by MediFind in the treatment of Hypervitaminosis D. She is also highly rated in 13 other conditions, according to our data. Her clinical expertise encompasses Milk-Alkali Syndrome, Hypercalcemia, Osteoporosis, and Postmenopausal Osteoporosis.
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Sheila Haji is an Endocrinologist practicing medicine in Beverly Hills, California. Dr. Haji is rated as an Advanced provider by MediFind in the treatment of Hypervitaminosis D. She is also highly rated in 25 other conditions, according to our data. Her clinical expertise encompasses Fibrous Dysplasia, Osteoporosis, Postmenopausal Osteoporosis, and Hyperparathyroidism.
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Jien Shim is an Endocrinologist practicing medicine in Beverly Hills, California. Dr. Shim is rated as an Advanced provider by MediFind in the treatment of Hypervitaminosis D. She is also highly rated in 24 other conditions, according to our data. Her clinical expertise encompasses Osteoporosis, Postmenopausal Osteoporosis, Osteopenia, and Melorheostosis with Osteopoikilosis.
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Luisa Duran is an Internal Medicine provider practicing medicine in Pleasanton, California. Dr. Duran is rated as an Advanced provider by MediFind in the treatment of Hypervitaminosis D. She is also highly rated in 13 other conditions, according to our data. Her clinical expertise encompasses Osteoporosis, Postmenopausal Osteoporosis, Type 2 Diabetes (T2D), and Thyroid Storm.
Sutter Medical Center
Maryam Amir is an Endocrinologist practicing medicine in Sacramento, California. Dr. Amir is rated as an Experienced provider by MediFind in the treatment of Hypervitaminosis D. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Type 1 Diabetes (T1D), Hyperparathyroidism, Graves Disease, and Thyroid Storm. Dr. Amir is currently accepting new patients.
Main Clinic (Modesto)
George Chao is an Endocrinologist practicing medicine in Modesto, California. He has been practicing medicine for over 44 years. Dr. Chao is rated as an Experienced provider by MediFind in the treatment of Hypervitaminosis D. He is also highly rated in 35 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Type 1 Diabetes (T1D), Diabetic Nephropathy, and Hyperparathyroidism. Dr. Chao is board certified in Endocrinology and Diabetes And Metabolism. Dr. Chao is currently accepting new patients.
Hadi A. Firoz, MD Private Practice
I believe in working with my patients as a partnership to provide them with the best ability to make decisions about their healthcare. Dr. Firoz is rated as an Experienced provider by MediFind in the treatment of Hypervitaminosis D. He is also highly rated in 26 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypertension. Dr. Firoz is board certified in Internal Medicine. Dr. Firoz is currently accepting new patients.
Pacific Kidney And Hypertension, Inc.
Personalized and compassinate care model combined with evidence based medicine. Serving inpatient and outpatient needs in Stockton, Manteca, Tracy, and Lodi area. Dr. Bajwa is rated as an Experienced provider by MediFind in the treatment of Hypervitaminosis D. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Chronic Kidney Disease, Acute Kidney Failure, End-Stage Renal Disease (ESRD), and Necrosis. Dr. Bajwa is board certified in Internal Medicine and Internal Medicine (Sub: Nephrology). Dr. Bajwa is currently accepting new patients.
Main Clinic (Modesto)
Wen Han is an Endocrinologist practicing medicine in Modesto, California. Dr. Han is rated as an Experienced provider by MediFind in the treatment of Hypervitaminosis D. She is also highly rated in 16 other conditions, according to our data. Her clinical expertise encompasses Type 2 Diabetes (T2D), Diabetic Nephropathy, Hyperparathyroidism, and Postmenopausal Osteoporosis. Dr. Han is currently accepting new patients.
San Carlos Center
Swaytha Yalamanchi is an Endocrinologist practicing medicine in San Carlos, California. Dr. Yalamanchi is rated as an Experienced provider by MediFind in the treatment of Hypervitaminosis D. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Osteoporosis, Postmenopausal Osteoporosis, Type 1 Diabetes (T1D), Type 2 Diabetes (T2D), and Hormone Replacement Therapy (HRT). Dr. Yalamanchi is board certified in Endocrinology and Diabetes And Metabolism - Board Certified. Dr. Yalamanchi is currently accepting new patients.
Summit Nephrology Medical Group
Gregory Spin is an Internal Medicine provider practicing medicine in Auburn, California. Dr. Spin is rated as an Experienced provider by MediFind in the treatment of Hypervitaminosis D. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, and Nephrosclerosis. Dr. Spin is board certified in Internal Medicine (Sub: Nephrology). Dr. Spin is currently accepting new patients.
Sutter Medical Plaza Roseville
Jagmeet Mangat is an Endocrinologist practicing medicine in Roseville, California. Dr. Mangat is rated as an Experienced provider by MediFind in the treatment of Hypervitaminosis D. She is also highly rated in 23 other conditions, according to our data. Her clinical expertise encompasses Hyperparathyroidism, Thyroid Storm, Postmenopausal Osteoporosis, and Osteoporosis. Dr. Mangat is board certified in Endocrinology and Diabetes And Metabolism - Board Certified. Dr. Mangat is currently accepting new patients.
Roy Harris is a primary care provider, practicing in Family Medicine in Rocklin, California. Dr. Harris is rated as an Experienced provider by MediFind in the treatment of Hypervitaminosis D. He is also highly rated in 29 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Harris is board certified in Family Medicine - Board Certified. Dr. Harris is currently accepting new patients.
Sansum Clinic
Tricia Westhoff is an Endocrinologist practicing medicine in Santa Barbara, California. Dr. Westhoff is rated as an Experienced provider by MediFind in the treatment of Hypervitaminosis D. She is also highly rated in 77 other conditions, according to our data. Her clinical expertise encompasses Hypothyroidism, Type 2 Diabetes (T2D), Obesity in Children, and Thyroid Nodule.
Saran Medical Center
Ferdinant Saran is a primary care provider, practicing in Family Medicine and Geriatrics in Glendale, California. He has been practicing medicine for over 35 years. Dr. Saran is rated as an Advanced provider by MediFind in the treatment of Hypervitaminosis D. He is also highly rated in 38 other conditions, according to our data. His clinical expertise encompasses Vitamin D Deficiency, Cirrhosis, Peptic Ulcer, Gastrostomy, and Colonoscopy. Dr. Saran is board certified in American Board Internal Medicine.
Hrach Khudatyan, MD Private Practice
To provide the most complete care to my patients in a caring and respectful way. Dr. Khudatyan is rated as an Advanced provider by MediFind in the treatment of Hypervitaminosis D. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Necrosis, Gastrointestinal Bleeding, Apoplexy, Gastrostomy, and Bone Graft. Dr. Khudatyan is board certified in Family Medicine. Dr. Khudatyan is currently accepting new patients.
Last Updated: 06/30/2026












