Welcome Health Care Team
At Welcome Health, our doctors and clinicians take time to know you—not just your chart. We believe great care starts with real relationships built on trust, listening, and continuity. From preventive care to managing chronic conditions, our team works together to keep you healthy, active, and supported at every stage of life.
Every patient is supported by a dedicated care team—including medical assistants, nurses, and patient service representatives—all working together to make your experience seamless and personal.
Dr. Anthony Nguyen
Chief Executive Officer
Board Certified Internal Medicine
Board Certified Internal Medicine
Dr. Anthony Nguyen
Chief Executive Officer
Board Certified Internal Medicine
Dr. Anthony B. Nguyen is an internist who has spent his career delivering care to seniors and helping design innovative senior healthcare systems across the nation.
Board Certified Internal Medicine
Dr. Anthony B. Nguyen is an internist who has spent his career delivering care to seniors and helping design innovative senior healthcare systems across the nation.
Dr. Deena Goldwater
VP of Care Delivery
Geriatrician and Cardiologist
Geriatrician and Cardiologist
Dr. Deena Goldwater
VP of Care Delivery
Geriatrician and Cardiologist
Dr. Deena Goldwater, a cardiologist and geriatrician, trained at one of the nation’s top hospitals and has devoted her career to helping older people manage their health, even when facing multiple chronic conditions.
Geriatrician and Cardiologist
Dr. Deena Goldwater, a cardiologist and geriatrician, trained at one of the nation’s top hospitals and has devoted her career to helping older people manage their health, even when facing multiple chronic conditions.
Dr. Michael Wang
VP of Clinical Affairs
Geriatrician and Internist
Geriatrician and Internist
Dr. Michael Wang
VP of Clinical Affairs
Geriatrician and Internist
Dr. Michael D. Wang, a geriatrician and internist, trained at one of the nation's top hospitals, and has over 20 years of experience in senior care. He has a deep understanding of what’s needed to help keep older patients healthy at home.
Geriatrician and Internist
Dr. Michael D. Wang, a geriatrician and internist, trained at one of the nation's top hospitals, and has over 20 years of experience in senior care. He has a deep understanding of what’s needed to help keep older patients healthy at home.
Glenn Nathan Newman
Geriatrician & Family Physician
Glenn Nathan Newman
Geriatrician & Family Physician
Dr. Glenn Nathan Newman is a geriatrician and family practice physician with 25 years of experience. He received his undergraduate degree from Stanford University and his Doctor of Medicine degree from University of Southern California. He enjoys working with patients and families from all backgrounds
Dr. Glenn Nathan Newman is a geriatrician and family practice physician with 25 years of experience. He received his undergraduate degree from Stanford University and his Doctor of Medicine degree from University of Southern California. He enjoys working with patients and families from all backgrounds
Manish Saha
Family Physician
Manish Saha
Family Physician
Manish Saha is a Family Physician with over 15 years of experience delivering care to patients. He received his MD from University of the West Indies Faculty of Medicine and completed his Family Medicine Residency Program at Ellis Medicine in New York. Dr. Saha holds extensive experience delivering comprehensive patient care to older adults.
Manish Saha is a Family Physician with over 15 years of experience delivering care to patients. He received his MD from University of the West Indies Faculty of Medicine and completed his Family Medicine Residency Program at Ellis Medicine in New York. Dr. Saha holds extensive experience delivering comprehensive patient care to older adults.
Dr. Ryan Ortizo
Family Physician
Dr. Ryan Ortizo
Family Physician
Dr. Ryan Ortizo is a board-certified Family Medicine physician dedicated to compassionate, high-quality care for patients of all ages. He earned his MD from Virginia Commonwealth University, completed his residency at Riverside Community Hospital as Academic Chief Resident, and holds an MPH from Harvard T.H. Chan School of Public Health with a focus on healthcare systems improvement.
Dr. Ryan Ortizo is a board-certified Family Medicine physician dedicated to compassionate, high-quality care for patients of all ages. He earned his MD from Virginia Commonwealth University, completed his residency at Riverside Community Hospital as Academic Chief Resident, and holds an MPH from Harvard T.H. Chan School of Public Health with a focus on healthcare systems improvement.
Oscar Zambrano
Internist & Cardiologist
Oscar Zambrano
Internist & Cardiologist
Oscar Zambrano earned his medical degree from San Marcos University in Lima, Peru, in 1972. He completed his residency at Berkshire Medical Center and Lemuel Shattuck Faulkner Medical Center in Massachusetts, followed by fellowships in Critical Care at Hollywood Presbyterian Hospital and in Cardiology at Kaiser Hospital Foundation. Board certified in Internal Medicine and Cardiovascular Diseases.
Oscar Zambrano earned his medical degree from San Marcos University in Lima, Peru, in 1972. He completed his residency at Berkshire Medical Center and Lemuel Shattuck Faulkner Medical Center in Massachusetts, followed by fellowships in Critical Care at Hollywood Presbyterian Hospital and in Cardiology at Kaiser Hospital Foundation. Board certified in Internal Medicine and Cardiovascular Diseases.
Harini Koko
Nurse Practitioner
Harini Koko
Nurse Practitioner
Harini Koko is a Nurse Practitioner who is certified in Adult-Gerontology Primary Care. She received her BSN and MA from the Barnes Jewish College Goldfarb School of Nursing. Harini is skilled in Internal Medicine, Pulmonology, and Nephrology.
Harini Koko is a Nurse Practitioner who is certified in Adult-Gerontology Primary Care. She received her BSN and MA from the Barnes Jewish College Goldfarb School of Nursing. Harini is skilled in Internal Medicine, Pulmonology, and Nephrology.
Roxy Lemus - Bell
Nurse Practitioner
Roxy Lemus - Bell
Nurse Practitioner
Maria Roxana “Roxy” Lemus, C-FNP, MD Board-Certified Family Nurse Practitioner in the U.S. and Doctor of Medicine and Surgery from El Salvador. Originally trained as a physician at Universidad Salvadoreña Alberto Masferrer (2004), Roxy later transitioned into nursing in the U.S., earning credentials as CNA, LVN, RN (AA/BSN/MSN), and ultimately as a Certified Family Nurse Practitioner.
Maria Roxana “Roxy” Lemus, C-FNP, MD Board-Certified Family Nurse Practitioner in the U.S. and Doctor of Medicine and Surgery from El Salvador. Originally trained as a physician at Universidad Salvadoreña Alberto Masferrer (2004), Roxy later transitioned into nursing in the U.S., earning credentials as CNA, LVN, RN (AA/BSN/MSN), and ultimately as a Certified Family Nurse Practitioner.
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Get the care you deserve
Welcome Health specializes in primary care for adults. From routine visits to managing chronic conditions, our team is here to keep you healthy and independent.
Fill out the form or call to learn more! 562-270-9482
If you’re an existing patient, contact us here: 866-311-9661