Senaida Loaces

Senaida Loaces works at Doris Ison Heath Center and the Martin Luther King Jr. Clinica Campesina Annex in Homestead as a Licensed Mental Health Counselor providing individual, couples, family and group therapy to a diverse population. She is also a qualified clinical supervisor with more than 15 years of professional experience working in the field of mental health and addiction.

She graduated from Carlos Albizu University with a master’s degree in mental health counseling in 1999 and later became a Certified Addiction Counselor in the State of Florida.

Some of the emotional disorders that Loaces specializes in treating include: major depression, anxiety, oppositional defiant disorder, attention deficit disorder and hyperactivity, along with daily stressors that a client is unable to resolve without professional help.

Fluent in English and Spanish, she is experienced working with clients from diverse backgrounds and communities utilizing treatment modalities such as behavioral, cognitive, motivational and psych-educational techniques to help clients restore effective coping skills to manage daily and life stressors. Her therapeutic belief is that each client is unique and requires an individualized treatment approach.

In her spare time, she enjoys traveling, interior decorating, and music.

Martha Katz, MD

Dr. Martha Katz has been a practicing pediatrician with Community Health of South Florida Inc. since 1991. Having worked at CHI’s Martin Luther King Jr. Clinica Campesina, she recently moved to CHI’s newest location in West Kendall.

She was born and raised in Managua, Nicaragua. After graduating from high school, she became interested in medicine and became a physician.

Dr. Katz followed her dreams and moved to Leon, Nicaragua, to start a medical career. After completing a medical degree at the Autonomous University of Nicaragua in 1981, she immediately went into a residency program.

Marriage gave her a loyal husband and two beautiful children who grew up and followed their mother’s footsteps into the medical field. Her son is an internal medicine doctor and her daughter is studying physical therapy and EMS.

Due to the political situation in her country and looking for freedom and a better future for her family, they moved to Miami in 1983.

Dr. Katz enjoys serving her community as part of the CHI team.

“I have enjoyed all the challenges and have great satisfaction in the quality of service I provide for both my patients and employer,” she said with pride.

Magali Selem, MD, FAAP

Dr. Magali Selem has been a pediatrician at CHI’s Doris Ison Health Center since 1999.

A native of Guantanamo, Cuba, she received her undergraduate degree from the University of Miami. Dr. Selem earned her medical degree in pediatrics from the Universidad Central del Este in the Dominican Republic.

She then completed her pediatric residency at the University of Kansas and at Miami Children’s Hospital. Dr. Selem is a Fellow of the American Academy of Pediatrics.

She enjoys playing the piano, walking for exercise and traveling.

Robert Johnson, D.D.S.

Dr. Robert Johnson is the Program Director of Advanced Education in General Dentistry at The Brodes Hartley Jr. Teaching Health Center at CHI. He has been the Director of Dental Services at Community Health of South Florida Inc. since 1986.

A native of Virginia, Dr. Johnson received a bachelor’s degree in biological sciences at the University of Maryland in College Park, Maryland. He obtained his dentistry degree in 1983 from Howard University College of Dentistry. While at Howard, he was awarded a National Health Service Corps Scholarship, a program designed to provide healthcare professionals to work in underserved areas of the United States.

After completing a dental residency at the Veterans Administration Medical Center in Washington, D.C., he was assigned to CHI in 1985 as a staff dentist. For 21 years, he was also a member of the JMH Public Health Trust staff in Miami.

Dr. Johnson is active in a multitude of professional and civic organizations including the Community Action Agency of Dade County’s Health Advisory Committee and the Miami-Dade HIV/AIDS Partnership’s Dental Committee.

He is a member of the Migrant Clinicians Network, the National Network of Oral Health Access and the Omicron Kappa Upsilon Honor Society. He has also been recognized as a distinguished member of the Miami Dade Dental Society, Community Smiles and Omega Psi Phi Fraternity.

Alba Hernandez, RDH

Alba Hernandez has been a registered dental hygienist at CHI’s Naranja Health Center since 2009.

Born and raised in Colombia, she moved to Miami in 2005. She has worked in the dental field since 1998 and works hard to stay up-to-date with current dental education and technology.

Hernandez said she truly enjoys spending her days working with a kind and caring staff at the Naranja Health Center. She said she finds true joy in interacting with patients and providing the best oral healthcare that she can.

Her hobbies include traveling, reading and watching movies.

Sheri S. Watson-Hamilton, DMD

Dr. Sheri Watson-Hamilton is the Director of Dental Services for Community Health of South Florida, Inc., (CHI). She is also the Program Director of Advanced Education in General Dentistry at The Brodes H. Hartley Jr. Teaching Health Center at CHI. Dr. Watson-Hamilton has worked at CHI for more than 25 years.

Dr. Watson-Hamilton possesses extensive training and experience in all aspects of general dentistry, including sophisticated digital imaging, root canal therapy, periodontal maintenance (continuing care of gums) and cosmetic procedures. She is dedicated to utilizing the latest techniques and advanced technology to offer patients of all ages the best possible long-term dental health.

“My mission is to provide high-quality dental care to our CHI patients in a comfortable, friendly family-oriented atmosphere,” Dr. Watson-Hamilton said.

A Miami native, Dr. Watson-Hamilton graduated with honors with a bachelor’s degree in biology from Morris Brown College in Atlanta. Having received numerous awards for her academic scholarship and leadership, she graduated with a dentistry degree from the University of Florida in 1996.

Dr. Watson-Hamilton is a member of the National Dental Association, Florida Dental Association and Dade County Dental Society, where she served as secretary from 1996-1998. She is also a member of the Delta Sigma Theta Sorority and the University of Florida Alumni Association.

When Dr. Watson-Hamilton is not practicing dentistry, she enjoys sports and family activities with her husband and two children.

Linda Zambrana, MD

Dr. Linda Zambrana is the medical director for the Martin Luther King/Clinica Campesina Health Center. The family medicine doctor has been with CHI since 2003. She is passionate about caring for her patients and helping them live their best lives. Although she was born in the United States, she received her medical degree in 1988 from the National Autonomous University of Nicaragua.

A year later, she returned to the United States in order to continue her passion for working in the medical field. She passed the examinations required to work as a registered medical sonographer in 1992 and became a physician assistant in 1993.

Dr. Zambrana provided medical care to patients as a physician assistant until June 2000. By then, she had already completed all the tests required to practice medicine in the United States. This allowed her to start residency training to become a board-certified family medicine physician.

After graduating in 2003, she became part of the medical team at Community Health of South Florida Inc. Since then, Dr. Zambrana has been working joyfully providing what she likes the most: helping patients from different cultures to be healthy and giving them the extra mile on medical and emotional support.

Manuel A. Garcia, MD

Dr. Manuel A. Garcia wanted to be a doctor for as long as he could remember, recalling that medicine had always been a part of his life. He would often accompany his father, who was in orthopedics, on his medical rounds.

“The dedication I saw in my father further heightened my desire to become a doctor and helped me truly understand the significance of the medical profession,” Dr. Garcia said.

He received his medical degree in 1993 from The Higher Institute of Medical Sciences in Cuba. Upon arriving in the United States in 1996, he studied English at Miami Dade Community College and also began the arduous task of revalidating his medical degree. During this time, he also worked as a mental health counselor, which cemented his love for psychiatry and propelled him to specialize in it.

“I feel psychiatry truly challenges me,” he said.

Following meeting his wife and starting a family, he moved with them to New York City to begin his residency in Psychiatry at Metropolitan Hospital in 2006. After finishing his second year, he transferred back to Miami to complete his residency in psychiatry at Jackson Memorial Hospital in 2010.

Upon graduating, he worked at various community centers and outpatient centers as well as Jackson Memorial Hospital, until he came to CHI in August of 2011. In January 2013, Dr. Garcia became board certified by the American Board of Psychiatry and Neurology.

Dr. Garcia feels that he is very fortunate to have been able to pursue his dream as a psychiatrist.

“My goal is to be able to provide patients with my services, the knowledge that I have acquired, and the utmost quality of care and to maintain my faithfulness to the Hippocratic Oath,” he said.

He enjoys spending his spare time with his family and friends.

Natasha E. Ford, RDH

Natasha Ford is a Registered Dental Hygienist at Community Health of South Florida Inc.

She attended Palm Beach State College in Palm Beach County, Fla., where she earned an associate’s degree in dental hygiene. Excelling in academics, she graduated on the dean’s list from Palm Beach State College in May 2010.

Anesthesia-certified and experienced in all aspects of oral dental care, Ford is able to provide patients with the best long-term and preventive care.

“As an oral hygiene advocate, my goal is to provide high-quality preventative dental care to all patients,” she said.

When she is not practicing dentistry, she enjoys sewing and playing with her two energetic children.

Gregory Fignole, APRN

Dr. Gregory Fignole graduated from Florida International University in 2014 as a Family Nurse Practitioner. Prior to that, in 2006 he graduated from Notre Dame University School of Medicine in Haiti. After completing a required year of work in an underserved area of Haiti, in 2007 he moved to the United States. Here, he attended the American Medical Academy in Miami in 2008 where he earned a degree in Emergency Medical Services.

Dr. Fignole has worked as an APRN since 2015 at Community Health of South Florida, Inc. (CHI) and in 2026 became a Brodes H. Hartley, Jr. Teaching Health Center family medicine resident. Previously, Dr. Fignole worked as an emergency room technician at Kendall Regional Medical Center and Homestead Baptist Hospital. After obtaining his nursing degree at Florida International University, he worked at Westchester General Hospital until the summer of 2014. He then joined MedXM, an insurance company that does Health Risk Assessments.

He is always willing to make a positive impact on the health education of the community, especially the Haitian community. In Dr. Fignole’s spare time he loves to read, spend quality time with his family, going to church and traveling