Program Faculty

Image of Tim Bhattacharyya.

Tim Bhattacharyya, M.D.

Head, Clinical and Investigative Orthopedics Surgery Unit, NIAMS 

Clinical Faculty

timothy.bhattacharyya@nih.gov

 

Education:

Orthopaedic Trauma Fellowship; Mass. General Hospital  Orthopaedic Surgery Residency; Boston University Medical Center  M.D.; Washington University School of Medicine

 

Interests:

- Atypical Femur Fractures 
- Nonunions 
- Hip and Knee Replacement 

 

Image of Rafael Casellas.

Rafael Casellas, Ph.D.

Chief, Genomics and Immunity Section, NIAMS 

Adjunct Investigator, NCI 

Research Faculty

rafael.casellas@nih.gov

 

Education:

Post-doctoral training; California Institute of Technology Ph.D.; Rockefeller University

 

Interests:

- Genetic and molecular regulation in immune cells processes

 

Image of Robert Colbert.

Robert Colbert, M.D., Ph.D.

Clinical Director, NIAMS 

Chief, Pediatric Translational Research Branch, NIAMS 

Clinical and Research Faculty 

Site Director, Pediatric Program 

robert.colbert@nih.gov

 

Education:

Pediatric Rheumatology Fellowship; Duke University Medical Center  M.D., Ph.D.; University of Rochester School of Medicine

 

Interests:

- The role of HLAB27 in inflammation 
- Molecular mechanismas of abnormal bone formation in spondlyarthropathies

 

Alice Fike, MS, NP

Alice Fike, MS, NP

Nurse Practitioner, NIAMS

alice.fike@nih.gov

 

Education:

Association of Rheumatology Professionals Advanced Rheumatology Certificate M.S. Nursing, Nurse Practitioner: University of California, San Francisco B.S. Nursing: Syracuse University

 

Interests:

- Health disparities in rheumatology, applied epidemiology

 

Portrait of Dr Grayson.

Peter Grayson, M.D., M.Sc.

Head, Vasculitis Translational Research Program, NIAMS

Associate Director, Adult Fellowship Program, NIAMS 

Clinical and Research Faculty

peter.grayson@nih.gov

LabTV Profile: Peter Grayson, M.D.

 

Education:

Rheumatology Fellowship; Boston University Medical Center, MA Internal Medicine Internship and Residency; Boston University Medical Center, MA  M.D.; Medical University of South Carolina, SC

 

Interests:

- clinical and translational research initiatives across many types of systemic vasculitis
- characterization of novel aspects of neutrophil biology in ANCA-associated vasculitis 
- novel biomarkers in peripheral blood and tissue through whole-genome gene expression profiling and other high-throughput techniques
- clinical trials of novel therapeutics in small, medium, and large vessel vasculitis

 

Image of Safaraz Hasni.

Safaraz Hasni, M.D.

Staff Clinician, Office of the Clinical Director, NIAMS 

Clinical Faculty

safaraz.hasni@nih.gov

 

Education:

L. Shulman Clinical Research Scholar; NIAMS, NIH Rheumatology Fellowship: State University of New York at Stony Brook, NY  M.D.; Sindh Medical College, Karachi, Pakistan

 

Interests:

- Systemic Lupus Erythematosus-pathogenesis and treatment 
- Sjögren’s Syndrome

 

Image of Mariana Kaplan.

Mariana Kaplan, M.D.

Chief, Systemic Autoimmunity Branch, NIAMS 

Clinical and Research Faculty

mariana.kaplan@nih.gov

 

Education:

Rheumatology Fellowship and postdoctoral training; University of Michigan Internal Medicine Residency; National Institute of Medical Sciences and Nutrition, Mexico City, Mexico  M.D.; National Autonomous University of Mexico, Mexico City, Mexico

 

Interests:

- Identifying mechanisms of organ damage and premature vascular disease in systemic autoimmunity 
- Identifying novel therapeutic targets to prevent premature vascular damage in SLE

 

Image of Daniel Kastner.

Daniel Kastner, M.D., Ph.D.

Scientific Director, NHGRI

Adjunct Investigator, NIAMS

Clinical and Research Faculty

dan.kastner@nih.gov

Lab Website

 

Education:

Rheumatology Fellowship; NIH  M.D., Ph.D.; Baylor College of Medicine

 

Interests:

- Genetic basis of diseases such as of Familial Mediterranean Fever (FMF), TNF-receptor Associated Periodic Syndrome (TRAPS), Neonatal Onset Multisystem Disorder (NOMID), and DIRA (Deficiency of IL-1 Receptor) 
- Genome-Wide Association Studies (GWAS) in SLE and RA 

 

Portrait of Dr Katz.

James Katz, M.D.

Director, Rheumatology Fellowship Program Director, NIAMS 

james.katz@nih.gov

 

Education:

Rheumatology Fellowship; University of Connecticut Health Center Internal Medicine Internship and Residency; Western Pennsylvania Hospital  M.D.; Case Western Reserve University, Cleveland, Ohio  

 

Interests:

- Myositis
- Systemic lupus erythematosus 
- Graduate medical education
- Medical taxonomy

 

Image of Gina Montealegre.

Gina Montealegre, M.D.

Staff Clinician, Laboratory of Clinical Immunology and Microbiology, NIAID

Clinical Faculty

montealegrega@mail.nih.gov

 

Education:

Pediatric Rheumatology Fellowship; Rainbow Babies & Children’s Hospital, Cleveland, OH  Pediatric Residency; Albert Einstein Medical Center, Philadelphia, PA M.S. in Clinical Research; Case Western Reserve University, Cleveland, OH  M.D.; Pontificia Universidad Javeriana, Bogotá, Colombia

 

Interests:

- Pediatric autoinflammatory diseases. 
- Spondyloarthritis.
- Health disparities in pediatric rheumatology.

 

Image of Amanda Ombrello.

Amanda Ombrello, M.D.

Staff Clinician, NHGRI 

Clinical Faculty

amanda.ombrello@nih.gov

LabTV Profile: Amanda Ombrello, M.D., and Michael Ombrello, M.D.

 

Education:

Rheumatology Fellowship; Saint Louis University School of Medicine  Pediatric Rheumatology Fellowship; Saint Louis University School of Medicine Internal Medicine/Pediatrics Residency; Saint Louis University School of Medicine  M.D.; Saint Louis University School of Medicine

 

Interests:

- Autoinflammatory disease 
- Novel therapeutics in autoinflammatory disease 
- Pediatric Rheumatology

 

Image of Michael Ombrello.

Michael Ombrello, M.D.

Head, Translational Genetics and Genomics Unit, NIAMS

Clinical and Research Faculty

ombrellomj@nih.gov

LabTV Profile: Amanda Ombrello, M.D., and Michael Ombrello, M.D.

 

Education:

Post-doctoral training; Inflammatory Disease Section, NHGRI, NIH Henry Metzger Scholar in Translational Research; NIAMS, NIH Combined Pediatric and Adult Rheumatology Fellowship; Cardinal Glennon Children’s Hospital and Saint Louis University Combined Internal Medicine and Pediatrics Residency; Saint Louis University and Cardinal Glennon Children’s Hospital M.D.; Saint Louis University School of Medicine

 

Interests:

- severe forms of childhood arthritis
- genomic studies of genetically-complex autoinflammatory and autoimmune diseases
- translational investigations of Still’s disease, adult-onset Still’s disease, and related autoinflammatory phenotypes
- elucidation of the role of HLA molecules in autoinflammatory disease

 

Image of John O’Shea.

John O’Shea, M.D.

Scientific Director, NIAMS

Chief, Molecular Immunology and Inflammation Branch, NIAMS

john.oshea@nih.gov

 

Education:

Internal Medicine Internship and Residency; State University of New York Upstate Medical University  M.D.; University of Cincinnati

 

Interests:

- JAK/STAT Biology 
- Regulation of T cell subset differentiation by Jak/STAT activating cytokines 
- Genome-wide analysis of target sequences and chromatin modification by JAK/STAT cytokines

 

Image of Paul Plotz.

Paul Plotz, M.D.

Scientist Emeritus, NIAMS 

Research Faculty

plotzp@mail.nih.gov

 

Education:

Medicine Internship and Residency; Beth Israel Hospital at Boston M.D.; Harvard Medical School

 

Interests:

- inflammatory muscle disease, Pompe Syndrome

 

Yani Ruiz-Perdomo

Yani Ruiz-Perdomo, MSN, CRNP

Adjunct faculty, NIAMS

Yanira.ruiz-perdomo@nih.gov

 

Education:

MSN & BSN: George Mason University

 

Interests:

- Patient outcomes, health services and health disparities
- Graduate medical education

 

Image of Vittorio Sartorelli.

Vittorio Sartorelli, M.D.

Chief, Laboratory of Muscle Stem Cells and Gene Regulation, NIAMS 

Research Faculty

vittorio.sartorelli@nih.gov

 

Education:

Oncology Residency; University of Milan, Italy  M.D.; University of Brescia, Italy

 

Interests:

- Transcriptional Regulation of Skeletal Muscle
- Metabolic Role of Skeletal Muscle Cells
- Regeneration of Adult Skeletal Muscle including role of muscle stem cells