Jennifer L. Mayer
Experienced in Acute Monoblastic Leukemia (AmoL)

Dr. Jennifer L. Mayer

Pediatric Hematology Oncology
Johns Hopkins Medicine
Johns Hopkins All Children's Outpatient Care, St. Petersburg
601 5th Street South, Suite 320, Suite 320, 
Saint Petersburg, FL 

Experienced in Acute Monoblastic Leukemia (AmoL)
Johns Hopkins Medicine
Johns Hopkins All Children's Outpatient Care, St. Petersburg
601 5th Street South, Suite 320, Suite 320, 
Saint Petersburg, FL 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

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.

Dr. Mayer is rated as an Experienced provider by MediFind in the treatment of Acute Monoblastic Leukemia (AmoL). 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.

Residency
Yale New Haven Health, Pediatrics, 1992
Specialties
Pediatric Hematology Oncology
Licenses
Pediatrics in FL
Board Certifications
American Board Of Pediatrics
Fellowships
Yale New Haven Health, Pediatric Hematology-Oncology, 1995
Languages Spoken
English
Gender
Female

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem
  • EPO
  • HMO
  • POS
  • PPO
AvMed
  • HMO
  • POS
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Florida Blue
  • EPO
  • PPO
Health Options
  • HMO
  • POS
  • PPO
Highmark
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Johns Hopkins Healthcare
  • HMO
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE-MEDICAID PLAN
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
Simply Healthcare
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • OTHER MEDICARE PART D
Sunshine Health
  • EPO
  • HMO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
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Locations

Johns Hopkins All Children's Outpatient Care, St. Petersburg
601 5th Street South, Suite 320, Suite 320, Saint Petersburg, FL 33701
Call: 727-767-4176
Other Locations
Johns Hopkins All Children's Outpatient Care, St. Petersburg
601 5th Street South, Suite 360, Saint Petersburg, FL 33701
Call: 727-767-4170

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.

Immune Thrombocytopenic Purpura (ITP)

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.


8 Total Publications

Association between medical comorbidities at diagnosis and paediatric acute lymphoblastic leukaemia and lymphoblastic lymphoma outcomes: protocol for a systematic review.
Association between medical comorbidities at diagnosis and paediatric acute lymphoblastic leukaemia and lymphoblastic lymphoma outcomes: protocol for a systematic review.
Journal: BMJ open
Published: June 06, 2025
View All 8 Publications
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Nanette H. Grana
Experienced in Acute Monoblastic Leukemia (AmoL)
Dr. Nanette H. Grana
Pediatric Hematology Oncology
Experienced in Acute Monoblastic Leukemia (AmoL)
Dr. Nanette H. Grana
Pediatric Hematology Oncology

Johns Hopkins All Children's Outpatient Care, St. Petersburg

601 5th Street South, Suite 320, Suite 320, 
Saint Petersburg, FL 
 (0.6 miles away)
727-767-4176
Languages Spoken:
English, Spanish
See accepted insurances

Dr. Grana specializes in pediatric hematology/oncology in the Johns Hopkins All Children’s Cancer & Blood Disorders Institute. She joined the hospital medical staff in 1992. Dr. Grana earned her medical degree from the University of Puerto Rico School of Medicine. She trained in pediatrics at University Children’s Hospital in San Juan, Puerto Rico, and completed a pediatric hematology/oncology fellowship at the University of Florida. Dr. Grana is rated as an Experienced provider by MediFind in the treatment of Acute Monoblastic Leukemia (AmoL). Her top areas of expertise are Acute Monoblastic Leukemia (AmoL), Neuroblastoma, Embryonal Tumor with Multilayered Rosettes, and Immune Thrombocytopenic Purpura (ITP).

VIEW MORE ACUTE MONOBLASTIC LEUKEMIA (AMOL) DOCTORS

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

Find Dr. Mayer's expertise for a condition
ConditionClose
        • Experienced
        • Acute Lymphoblastic Leukemia (ALL)
          Dr. Mayer is
          Experienced
          . Learn about Acute Lymphoblastic Leukemia (ALL).
          See more Acute Lymphoblastic Leukemia (ALL) experts
        • Acute Monoblastic Leukemia (AmoL)
          Dr. Mayer is
          Experienced
          . Learn about Acute Monoblastic Leukemia (AmoL).
          See more Acute Monoblastic Leukemia (AmoL) experts
        • Evans Syndrome
          Dr. Mayer is
          Experienced
          . Learn about Evans Syndrome.
          See more Evans Syndrome experts
        • Infantile Neutropenia
          Dr. Mayer is
          Experienced
          . Learn about Infantile Neutropenia.
          See more Infantile Neutropenia experts
        • Teratoma of the Mediastinum
          Dr. Mayer is
          Experienced
          . Learn about Teratoma of the Mediastinum.
          See more Teratoma of the Mediastinum experts
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