Meet the IBD Center Team

The IBD Center at Nicklaus Children’s Hospital brings together a comprehensive team of experts to support your child and family. The entire team takes part in clinical management to allow your child to benefit from multispecialty collaboration and consultation.

IBD Center Physicians

Alisa J Muniz Crim, MD

Director, Division of Gastroenterology
NCPS Chief, Section of Gastroenterology
Medical Director, IBD Center

Primary Office: Miami

Additional Office: West Kendall

Clinical Interests: Pediatric inflammatory bowel disease (IBD), celiac disease, feeding disorders, gastrointestinal dysmotility


Lina Maria Felipez, MD

NCPS Director, IBD Research

Primary Office: Miami

Additional Office: Miami Beach

Clinical Interests: IBD, reflux, constipation, celiac disease, eosinophilic esophagitis



IBD Center Nursing Team

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Natalie Castillo RN, BSN, CPN

IBD Infusion Nurse


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Kristin Concepcion MSN, RN, CPN

Quality Analyst


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Stacey Fandino BSN, RN, CPN

IBD Infusion Nurse


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Giovanna Quispe Nemeth, MSW

IBD Social Worker


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Mirta Rios, RD, CSP

IBD Dietician


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Lilliam Rosler DNP, APRN, FNP-C, CPN

IBD Nurse Practitioner


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Jennifer Stringer BSN, RN

IBD Center Manager


 A clinician identified with a Nicklaus Children’s Pediatric Specialists logo is an affiliate of Nicklaus Children's Health System. All other clinicians listed on the website are in independent medical practices.