Pediatric Hospital Medicine Fellowship
Our mission at the Baystate Pediatric Hospital Medicine (PHM) fellowship program is to train and support academic leaders in the field of PHM who exemplify compassionate and collaborative care to hospitalized children and families and demonstrate ongoing commitment to medical education, advocacy, research, patient safety, and quality improvement.
Be an Active Member of Our Hospital Medicine Division

Our program offers a wealth of opportunities for candidates interested in academic careers in PHM. Our faculty encourages fellows to be active participants in our hospital medicine division and we are dedicated to your success!
Fellows will join the Pediatrics family at Baystate working alongside our exceptional Pediatrics and Med-Peds residents in a teaching-focused environment. We serve a diverse patient population and foster a supportive community. Trainees will encounter a broad range of everyday “bread and butter” diagnoses mixed with complex cases requiring the collaboration of multiple subspecialists.
Prepare for the Next Step in Your Career

Baystate Children’s Hospital is a fantastic place to prepare for the next step in your career as a Pediatric Hospitalist. With a robust PHM division, we provide strong mentorship in medical education, quality improvement, patient safety, scholarship, and healthcare administration.
At Baystate you will care for children of all ages—from diverse economic and cultural backgrounds and with a wide range of clinical presentations. Our program will prepare you both clinically and academically for future success!
The Benefits of Training at Baystate
- We are a well-established pediatrics hospital medicine program with a large group of experienced clinicians. Many of us have our own “niches” and career interests and can effectively mentor trainees to take the steps needed to carve out their own career that addresses their professional interests and goals.
- Dedicated hospital leadership with extensive focus on quality and patient safety at an institutional level
- We provide a flexible individualized curriculum to help meet the needs and interests of our fellows. We also have multiple Med-Peds trained hospitalists and an affiliation with an adult hospital medicine fellowship providing great opportunities for candidates with combined training!
Program Director
David Fish, MD, SFHM*
Assistant Professor of Pediatrics, UMass Chan-Baystate
Core Faculty
Weijen Chang, MD, SFHM*
Pediatric Hospital Medicine Division Chief
Vice Chair of Pediatrics
Associate Professor of Pediatrics, UMass Chan-Baystate
Katherine Harer, MD
Medical Director of Inpatient Pediatrics Unit
Assistant Professor of Pediatrics, UMass Chan-Baystate
David Sorkin, MD*
Community Hospital Site Director, Berkshire Medical Center
Harry Hoar, MD*
Assistant Professor of Pediatrics, UMass Chan-Baystate
Natalya Maharaj, MD*
Assistant Professor of Pediatrics, UMass Chan-Baystate
Christine Marrese, MD
Assistant Professor of Pediatrics, UMass Chan-Baystate
*Med/Peds Physician
Program and Department Metrics
- Length of fellowship: 2 years
- Number of fellows per year: 1 fellow
- Number of faculty: 13 full-time and 3 NP's
Baystate Metrics
- Number of hospital beds: 716
- Number of residency programs: 11 ACGME-accredited residencies
- Number of fellowship programs: 22 ACGME-accredited fellowships plus several sponsored fellowships
- We attempt to maintain salaries in the 75th percentile nationally, and here in western Massachusetts, we enjoy a lower cost of living than in major urban areas. View our complete list of salaries and benefits.
- 4 weeks vacation/year, meal subsidy, free parking
- Disability/Malpractice/Health/Life Insurance
- Fellows have their own office space to share, each fellow with an assigned workstation
- Comprehensive electronic medical record
- Well-supplied, on-campus hospital library with 8 librarians and robust e-medicine resources (Up-to-Date, Ovid, etc)
- Access to digital library holdings at UMass Chan, in Worcester MA
Learn More About the Pediatric Hospital Medicine Fellowship

A Wonderful Place To Be
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