SECURE HEALTH MEDICAL GROUP - Key Persons


Dr. Ali A Houshyar

Dr. Ali A Houshyar is board certified in internal medicine and has been practicing medicine for more than 35 years. Dr. Houshyar completed his residency training at Yale University School of Medicine in New Haven, CT. Dr. Houshyar shares our Placentia office with his physician wife, Dr. Shahla Sadighian. When not in the office, Dr. Houshyar enjoys exercising, taking long walks with his wife, reading, and spending time with his family.

Dr. Elvia Rodriguez

Dr. Elvia Rodriguez is board certified in family medicine and has been practicing medicine in the Los Angeles area for more than 25 years.

Dr. Paul Mercer

Specializing in family medicine, Dr. Paul Mercer enjoys serving the local community by being proactive with his patients' health and delivering effective care management.

Dr. Soumitra Sarkar

Dr. Soumitra Sarkar is board certified in internal medicine with a specialty in geriatric medicine and has been practicing medicine in Montebello since 1996. Dr. Sarkar has received numerous accolades including being voted an outstanding physician by Beverly Hospital in 2018, voted among America's Top Physicians in 2005, and featured on the cover of LA Physician in 2003. Dr. Sarkar loves treating seniors, serves as medical director, and is on the board of several hospitals, skilled nursing facilities, and hospices. When Dr. Sarkar has free time, he enjoys traveling and being a writer.

Sarah Hood

Job Titles:
  • Chapman University 's Physician Assistant
Sarah Hood graduated from Chapman University's Physician Assistant program. Since graduation she has been working in Internal Medicine to provide quality care to patients of a wide range of ages.

Shahla Sadighian

Dr. Shahla Sadighian is board certified in internal medicine and has been practicing medicine in the Orange County area for more than 27 years.