Meet Our Rheumatology Team

Our board certified physicians and advanced practice providers bring extensive training and compassionate care to every patient encounter. Together we are committed to delivering accurate diagnosis, treatment and thoughtful long term management of rheumatic and autoimmune conditions.

Our Approach to Care

We believe effective rheumatology care begins with careful listening and thorough evaluation. Our team prioritizes accurate diagnosis, evidence based treatment and clear communication so patients can understand their condition and feel confident in their care plan.

Clinical Experience & Special Interests

Our providers bring diverse training backgrounds and specialized interests within rheumatology and autoimmune medicine.

Advanced Rheumatology Expertise

Board certified physicians with fellowship training in rheumatology and advanced skills in musculoskeletal ultrasound and infusion therapy.

Multilingual & Patient Focused Care

Our team speaks English, Spanish, Portuguese and Mandarin Chinese, ensuring clear communication and culturally sensitive care for our diverse South Florida community.

Our Providers

Dr. Alex M. Lam, MD

Dr. Lam is a native of Miami and has been practicing Rheumatology in South Florida since 2005. He speaks fluent Spanish and Mandarin Chinese. Dr. Lam has lectured on various autoimmune diseases, including Lupus and Rheumatoid Arthritis and has taught medical school students and residents from Nova University. He underwent rigorous training at Cook County Hospital (Chicago) and Waterford Regional Hospital (Royal College of Surgeons in Ireland). His fellowship at UMDNJ- Robert-Wood-Johnson Hospital was under the guidance of Dr. Robert Pinals, considered globally as a Master of Rheumatology. Dr. Lam’s extensive medical training and knowledge of Chinese and Alternative Medicine make him a physician with an expansive vision and remarkable clinical skills. Complementing cutting-edge medical treatments with diet, supplements and lifestyle are his passion.

“My goal as a physician is to practice with full knowledge, wisdom and compassion: to empower my patients with the necessary tools to become happy and healthy individuals”.

Education
  • UMDNJ- Robert-Wood-Johnson Hospital – Post-doctoral Fellowship in Rheumatology
  • Beth Israel Hospital (NYC Mt. Sinai Medical System) – Residency in Internal Medicine
  • Cook County Hospital (Chicago) Waterford Regional Hospital (Royal College of Surgeons) – Medical School

Hugo Fonseca, D.O.

Dr. Hugo Fonseca graduated from Florida International University with a Bachelor’s Degree in Chemistry. He consequently worked in basic science and clinical research at Miami Children’s Hospital where he was a co-author in several journal publications. Thereafter, he attended Nova Southeastern University earning his degree in medicine and moved on to complete his internship and residency at Mount Sinai Hospital in Miami Beach. He completed his Rheumatology fellowship training at the University of North Texas – PMC, where he was heavily involved in multiple clinical trials. Dr. Fonseca enjoys the general practice of Rheumatology, but has special interests in rheumatoid arthritis, psoriatic arthritis, osteoporosis, spondyloarthropathy, inflammatory muscle disease, crystal arthropathy, and osteoarthritis, among others. Dr. Fonseca is board certified in Rheumatology. During his fellowship training he also dedicated time to the study of ultrasonography in musculoskeletal disease and completed a one-year training under USSONNAR, becoming proficient in intraarticular injections under ultrasound guidance and using ultrasonography as a diagnostic tool. Dr. Fonseca is proficient in English, Spanish and Portuguese. He continues his medical training by attending state and national meetings and participating in state medical associations.

Education
  • UMDNJ- Robert-Wood-Johnson Hospital – Post-doctoral Fellowship in Rheumatology
  • Beth Israel Hospital (NYC Mt. Sinai Medical System) – Residency in Internal Medicine
  • Cook County Hospital (Chicago) Waterford Regional Hospital (Royal College of Surgeons) – Medical School

Patricia Neuman Guerra, M.D.

Patricia Neuman Guerra, M.D., is a Board Certified physician who specializes in clinical rheumatology with special interest in inflammatory arthritis. She earned her Medical Degree at San Juan Bautista School of Medicine in Puerto Rico. She completed her Internal Medicine Residency at the University of Miami – Holy Cross Hospital in Fort Lauderdale, FL, and her Rheumatology Fellowship at the University of Miami – Jackson Memorial Hospital in Miami, FL.

Dr. Neuman Guerra has participated in clinical research in knee osteoarthritis at the University of Florida in Gainesville, FL and translational research in Endothelial cells and Reactive Oxygen Species (ROS) at the Brigham and Women’s Hospital in Boston, MA. She has also participated in quality improvement projects during her training including improving vaccinations rates, depression among medical trainees, and antibiotics stewardship.

Dr. Neuman Guerra grew up in Venezuela and is fluent in English and Spanish. She enjoys spending outdoor time with family and friends. She practices Rheumatology with compassion, empathy, and confidence. Dr. Neuman Guerra is a strong patient advocate and prioritizes patient care and wellbeing. Her goal as a physician is to establish a strong physician-patient relationship with each of her patients to heal and manage their chronic conditions.

Education
  • University of Miami, Jackson Memorial Hospital – Post-Doctoral Fellowship in Rheumatology
  • University of Miami – Residency in Internal Medicine
  • San Juan Bautista School of Medicine, Puerto Rico – Medical School

Leticia N. Anon, A.P.R.N

Leticia Anon is a Family Nurse Practitioner Board Certified who specializes in Rheumatology. She completed her Bachelor of Science in Nursing at Florida International University, and then earned her Master of Science in Nursing (APRN) degree at Barry University in Miami, FL. She is originally from Cuba and is fluent in English and Spanish. She has a Doctor of Medicine degree from Cuba where she practiced until she came to the United States in 1997. Her experience in Pediatric, Neonatology, and Rheumatology is extensive. Her passions include spending time with her family, helping her patients obtain a better health status and traveling the world.

“My objective as a healthcare provider is to continue pursuing lifelong compassion and care to patients and communities.”

Education
  • Universidad De Ciencias Medicas, Villa Clara, Cuba – Medical School, Doctorate in Medicine
  • Florida International University – Bachelor’s in Science of Nursing
  • Barry University – Master of Science in Nursing, Advanced Practice Registered Nurse

Jaqueline Rodriguez, PA-C

Jaqueline Rodriguez is a Board Certified Physician Assistant with experience in Internal Medicine. She graduated from Florida State University with a Bachelor of Science in Exercise Physiology. After her undergraduate studies, she worked in the Emergency Department as a medical scribe and as a certified nursing assistant in Pediatrics. Jaqueline then went on to attend the Physician Assistant program in Miami Dade College and she earned a Master’s degree in Medical Science at Saint Francis University.  Jaqueline is a current member of the Florida Academy of Physician Assistants (FAPA) and American Academy of Physician Assistants (AAPA).

Jaqueline grew up in South Florida and is fluent in both English and Spanish. Jaqueline first began practicing Internal Medicine where she developed a specific interest in the specialty of Rheumatology. Her versatile background and generalized training as a PA enables her to treat various rheumatological diseases. Her goal as a PA is to deliver patient-focused care and to offer patients the resources needed to achieve mental and physical wellness.

Education
  • Saint Francis University, Loretto, PA – Master of Medical Science in Physician Assistant Studies
  • Miami Dade College Medical Campus, Miami, FL – Bachelor of Applied Science in Health Sciences
  • Florida State University, Tallahassee, FL – Bachelor of Science in Exercise Physiology

Lynette W. Nicholson, P.A.-C

Lynette Nicholson is a Board-Certified Physician Assistant who specializes in Rheumatology. She has spent almost two decades working in the field of Rheumatology. Born and raised in South Florida, she obtained her EMT and paramedic certifications before pursuing her dream of becoming a Physician Assistant. She completed her education in Physician Assistant studies at Miami Dade College and her Master of Medical Science at Nova Southeastern University.

Outside of work, she is a proud mother to two daughters, and you will often find her and her husband cheering them on at their sporting events.

“Throughout my career, I have had the privilege of caring for patients with rheumatologic abnormalities and am grateful for the opportunity to make a difference in the lives of others and am constantly inspired by the resilience and strength of my patients.”

Education
  • Universidad De Ciencias Medicas, Villa Clara, Cuba – Medical School, Doctorate in Medicine
  • Florida International University – Bachelor’s in Science of Nursing
  • Barry University – Master of Science in Nursing, Advanced Practice Registered Nurse

Diana M Zuleta, M.D.

Dr. Zuleta became interested in rheumatology at an early age after she was inspired by her father’s diagnosis with a debilitating autoimmune vasculitis. She received her Bachelor of Science degree at the University of Central Florida, and medical degree from the Lake Erie College of Osteopathic Medicine- Bradenton, FL. She completed both her Residency training in internal Medicine and Rheumatology Fellowship at Larkin Hospital in South Miami, FL. Dr. Zuleta is board certified in Rheumatology and internal medicine. She is compassionate towards her patient’s and understands how devastating arthritis and autoimmune conditions can be to her patients and their families. During her fellowship she served as Chief fellow and participated in multiple clinical trials. She is bilingual in English and Spanish. She realized that she was destined to pursue the field of Rheumatology as she enjoys treating a variety of Rheumatologic conditions, with interest in; Rheumatoid arthritis, Lupus, Vasculitis, Psoriatic arthritis, Osteoporosis, Spondyloarthritis, inflammatory muscle disease, Scleroderma, gout, and osteoarthritis, among others. Dr. Zuleta enjoys helping relieve the suffering of those affected by their Rheumatologic conditions. She continues to actively extend her knowledge in rheumatology daily and actively participates in multiple national and state Rheumatology meetings.

Education
  • Lake Erie College of Osteopathic Medicine, Bradenton Florida – Medical School
  • Larkin Hospital, South Miami – Residency in Internal Medicine
  • Larkin Hospital, South Miami – Fellowship in Rheumatology

Janaina Beatriz Da Silveira, APRN, FNP-C

Janaina Da Silveira is a Board-Certified Family Nurse Practitioner and is currently affiliated with the American College of Rheumatology (ACR).

Janaina Beatriz Da Silveira is a board-certified family nurse practitioner specializing in rheumatology. She earned her master’s degree from Ana G. Méndez University in Miami, Florida, and completed advanced rheumatology training under the Chief of Rheumatology at Sinai Medical Hospital in Miami Beach. With more than six years of clinical practice and nearly two decades of experience in the field, she provides expert care for patients with autoimmune and musculoskeletal conditions.

Originally from São Paulo, Brazil, Janaina has lived in the U.S. for 29 years and is fluent in Portuguese, Spanish, and English. She is known for her compassion, patience, and dedication, especially in caring for elderly patients and those with chronic illnesses. Her patients appreciate her ability to listen, explain complex conditions clearly, and create treatment plans tailored to their unique needs.

Education
  • Florida National University (FNU) – Bachelor of Science in Nursing (BSN)
  • Master of Science in Nursing, Family Nurse Practitioner (MSN-FNP) – Ana G. Méndez University, Miami, FL

Our Dedicated Staff

Our experienced nursing and administrative team plays an essential role in delivering coordinated, compassionate care.

Aly Mirabal, Office Manager
Veronica Hernandez, Front Desk
Sandra Borrero, Billing Dept
Yaquelin Lugo, Medical Assistant
Susana Garcia, Billing Dept
Hilda Doodnauth, Billing Dept
Camila A. Fernandez, Medical Assistant
Lissette Lopez, Front Desk
Janet Cruz, Infusion Coordinator
Elia Quezada, Infusion Coordinator
Lis O. Bello, Medical Assistant
Jennifer Yoder, SC Coordinator
Jennifer Colon, Medical Assistant
Diadanys Bermudez, Medical Assistant
Arlet Sordo, Billing Department
Michelle Esquenazi, Infusion Coordinator
Erica Miranda, Infusion Nurse
Bestabe Martinez, Infusion Nurse
Valentina Zapata, Medical Assistant
Karen Arnaud, Front Desk
Isadora Mota, Front Desk Receptionist

What Our Patients Say

"I highly recommend Dr. Lam. My symptoms had been plaguing me for years. Dr. Lam literally changed my life. He was so thorough and compassionate. He found the root of the issue and after several months of treatment, my quality of life has improved significantly. I am so grateful for his care."
Cathy Balenovic
"I can’t say enough about Dr. Lam and his staff! I have never had a problem reaching the ladies in the office and always receive an answer in a timely manner. It was a complete answer to prayer when I found Dr. Lam! He never left my side during the scariest time of my life and that of my family. I wound up on life support in December 2016 as a result of Wegener’s Vasculitis settling in my lungs after the birth of my last baby. He came to the hospital to check on me and talk to my Mom every single day and called periodically. He has the utmost care and concern for his patients. He has been a huge blessing in my life. His bedside manner and compassion for others is exceptional. I will never be able to thank him or his staff enough for all they have done for me. He along with a team of doctors at Memorial Regional saved my life and I can continue living a normal, healthy life & fulfill my life’s purpose of being a Mommy to my 3 beautiful babies 🙂"
Jennie Sullivan
"For several years I suffered in terrible pain, swelling, not being able to be in direct sun light, but most of all frustration because of the lack of assistance and empathy offered by the doctors I had visited. My wife and I came to Dr. Lam as my last hope. He showed us empathy and listened to me and my wife, he gave me hope that it would be okay. Dr. Lam worked and sought the treatment plan that would help me. Today, I am almost back to the person I once was thanks to Dr. Lam. I am grateful for him listening to me and giving me the means to have a better tomorrow. Dr. Lam and his staff are a true blessing and my health and lifer are better because of them."
Jason Rodriguez
"Mi experiencia es muy agradecida por el cuidado que el Dr. Alex Lam me ha brindado, excelente profesional muy caritivo y compasivo al igual que todo su equipo, mi gratitud para él, excelente profesional."
Luisa Pridmore