
Overview
Dr. Mayer is a pediatric hematologist-oncologist in the Johns Hopkins All Children’s Cancer & Blood Disorders Institute. She specializes in the diagnosis and management of patients with acute lymphoblastic leukemia (ALL), acute myeloid leukemia (AML), chronic myeloid leukemia (CML), Hodgkin lymphoma and non-Hodgkin lymphoma. She is also the medical director of the Vascular Anomalies and Birthmarks Program at the hospital. She cares for patients with benign and aggressive vascular tumors, lymphatic and venous malformations, and overgrowth syndromes. She was named the William A. Baumgartner Physician of the Year for Johns Hopkins All Children's in the 2024 Johns Hopkins Medicine Clinical Awards. She previously received the hospital’s Best Consulting Physician Award in 2017. Dr. Mayer is the author of more than 30 publications and two textbook chapters. She has presented over 22 research abstracts at national and international medical conferences. She is program director of a three-year fellowship training program in pediatric hematology-oncology on the St. Petersburg, Florida, campus. Dr. Mayer joined Johns Hopkins All Children’s in 1996. Dr. Mayer received her medical degree with honors from Dartmouth Medical School in New Hampshire. She completed her pediatric residency, hematology-oncology fellowship, and clinical research fellowship at Yale University School of Medicine in Connecticut. She is a fellow of the American Academy of Pediatrics and an active member and clinical researcher with Children’s Oncology Group, American Society of Pediatric Hematology-Oncology, and the International Society for the Study of Vascular Anomalies.
Her top areas of expertise are Acute Lymphoblastic Leukemia (ALL), Evans Syndrome, Acute Monoblastic Leukemia (AmoL), and Teratoma of the Mediastinum.
Her clinical research consists of co-authoring 8 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
Insurance
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Accepted insurance plans:
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- HMO
- POS
- PPO
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- POS
- PPO
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- INDEMNITY
- POS
- PPO
- HMO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE-MEDICAID PLAN
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER MEDICARE PART D
- EPO
- HMO
- EPO
- HMO
- POS
- PPO
Locations
601 5th Street South, Suite 320, Suite 320, Saint Petersburg, FL 33701
601 5th Street South, Suite 360, Saint Petersburg, FL 33701
Additional Areas of Focus
Dr. Mayer has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
Johns Hopkins All Children's Outpatient Care, St. Petersburg
Dr. Vlachos is the chief of hematology in the Johns Hopkins All Children’s Hospital Cancer & Blood Disorders Institute in St. Petersburg, Florida, and professor of pediatrics (PAR) in the Johns Hopkins University School of Medicine. She joined the hospital staff in 2024. She was previously professor of pediatrics at Zucker School of Medicine at Hofstra/Northwell and attending physician in hematology/oncology at Cohen Children’s Medical Center/Northwell Health, where she was head of the Bone Marrow Failure Program and head of the pediatric hematology/oncology trials office. Dr. Vlachos is internationally known for clinical care and expertise in bone marrow failure syndromes and her transformational research in Diamond Blackfan anemia (DBA) syndrome, a rare inherited bone marrow failure syndrome. Dr. Vlachos is the founder and has directed the Diamond Blackfan Anemia Registry (DBAR) of North America since its inception in 1991. She is the principal investigator and co-investigator on multiple grants funded by the National Institute of Health and the Centers for Disease Control and Prevention. She has published numerous articles on her research findings and has been invited to author papers and book chapters on bone marrow failure syndromes and DBA. Dr. Vlachos is a member of the Medical and Scientific Advisory Board for the Shwachman-Diamond Syndrome Registry, is a member of the Scientific Advisory Board for the Diamond Blackfan Anemia Foundation and holds a position on the Scientific Program Committee for Bone Marrow Failure of the American Society of Hematology. She earned her medical degree from New York Medical College in Valhalla, New York. She completed her residency in pediatrics at North Shore University Hospital in Manhasset, New York. She then completed a clinical fellowship in bone marrow transplantation at North Shore University Hospital, followed by a fellowship in pediatric hematology-oncology and bone marrow transplantation at Mount Sinai Medical Center in New York. Videos Bone Marrow Failure Syndrome Expert Dr. Adrianna Vlachos at Johns Hopkins All Children’s. Dr. Vlachos is highly rated in 15 conditions, according to our data. Her top areas of expertise are Aase Syndrome, Pure Red Cell Aplasia, Aplastic Anemia, and Transient Erythroblastopenia of Childhood.
Damon Reed is a Pediatric Hematologist Oncology provider in Tampa, Florida. Dr. Reed is highly rated in 9 conditions, according to our data. His top areas of expertise are Osteosarcoma, Ewing Sarcoma, Adult Soft Tissue Sarcoma, and Rhabdomyosarcoma.
Johns Hopkins All Children's Outpatient Care, St. Petersburg
Dr. Metts specializes in pediatric hematology/oncology in the Johns Hopkins All Children's Cancer & Blood Disorders Institute. He sees patients on our main campus in St. Petersburg and at the Johns Hopkins All Children’s Outpatient Care Center in Tampa. He joined the hospital in 2016. He received his medical degree from the University of South Carolina School of Medicine and completed an internship and residency in pediatrics at Johns Hopkins All Children’s Hospital through the University of South Florida Morsani School of Medicine. Dr. Metts then trained at Emory University School of Medicine as a pediatric hematology/oncology fellow. His clinical interests include sarcomas, rare solid tumors, and Phase 1 and Phase 2 trials for pediatric solid tumors. Dr. Metts is highly rated in 6 conditions, according to our data. His top areas of expertise are Osteosarcoma, Ewing Sarcoma, Rhabdomyosarcoma, and Adult Soft Tissue Sarcoma.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Experienced
- Acute Lymphoblastic Leukemia (ALL)Dr. Mayer isExperienced. Learn about Acute Lymphoblastic Leukemia (ALL).
- Acute Monoblastic Leukemia (AmoL)Dr. Mayer isExperienced. Learn about Acute Monoblastic Leukemia (AmoL).
- Evans SyndromeDr. Mayer isExperienced. Learn about Evans Syndrome.
- Infantile NeutropeniaDr. Mayer isExperienced. Learn about Infantile Neutropenia.
- Teratoma of the MediastinumDr. Mayer isExperienced. Learn about Teratoma of the Mediastinum.

