Meet Our Clinicians
Board Certified Pediatricians
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Elizabeth Chamberlain Landis, MD

Undergraduate

Medical School

Internship/Residency

Year Started at APA

Board Certification

Professional Organizations

Brown University

University of Medicine and Dentistry New Jersey

Massachusetts General Hospital

2004

American Board of Pediatrics

Fellow of the American Academy of Pediatrics

Alenka Zeman, MD

Undergraduate

Medical School

Internship/Residency

Year Started at APA

Board Certification

Professional Organizations

Pediatric Areas of Interest

Brown University, BS, 2000

Stanford Medical School, 2006

Massachusetts General Hospital, 2009

2010

American Board of Pediatrics

Fellow of the American Academy of Pediatrics

Endocrinology

L. Michael Yantosca, MD

Undergraduate

Medical School

Internship/Residency

Year Started at APA

Board Certification

Professional Organizations

Pediatric Areas of Interest

Northeastern University, BS, 2008

University of Dublin, Trinity College Dublin School of Medicine, 2014

Massachusetts General Hospital, 2017

2017

American Board of Pediatrics

Fellow of the American Academy of Pediatrics

Pulmonology, Child Development

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Elizabeth Pisarik, MD

Undergraduate

Medical School

Internship/Residency

Year Started at APA

Board Certification

Professional Organizations

Pediatric Areas of Interest

Brandeis University, BS, 2010

Tufts University School of Medicine, 2014

Massachusetts General Hospital, 2017

2020

American Board of Pediatrics

Fellow of the American Academy of Pediatrics

Child Development

Nurse Practictioners
Meg Guimond, PNP, IBCLC

Undergraduate

Nursing School

Year Started at APA

Certifications

Union College, BS, 2000

Simmons, BS 2005, MS Pediatric Primary Care 2006

2019

Certified Pediatric Nurse Practitioner and Internationally Board Certified Lactation Consultant

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Sarah Jackel, PNP

Undergraduate

Nursing School

Year Started at APA

Certifications

Wesleyan University, BA, 2013

Jefferson School of Nursing, BS 2014, MS Pediatric Primary Care 2015

2022

Certified Pediatric Nurse Practitioner