Dr. William Sidelinger

MD | Psychiatry | Child & Adolescent


  309 Belmont St, Worcester
     Massachusetts, 01604-1059
  508-368-3300    Maps & Directions
Dr. William Sidelinger is a Worcester, Massachusetts based psychiatrist who is specialized in Child & Adolescent. Active license number of Dr. William Sidelinger is 1023236 for Child & Adolescent in Massachusetts. His current practice location is 309 Belmont St, Worcester. Patients can reach him at 508-368-3300. Dr. William Sidelinger is MD in Child & Adolescent and his NPI number (Unique professional ID assigned by NPPES) is 1467071209.
Dr. William Sidelinger has done additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
Complete Profile:
Dr. William Sidelinger speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.
Name: Dr. William Sidelinger
Specialization: Child & Adolescent
Gender:Male
Credentials: MD
Practice Address:309 Belmont St, Worcester,
Massachusetts, 01604-1059
Phone:508-368-3300
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.
NPI Number: 1467071209
NPI Enumeration Date: 12 Apr, 2020
NPI Last Update On: 16 Jun, 2025

Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. William Sidelinger are as mentioned below.
License NumberSpecializationStateStatus
1023236Child & Adolescent MassachusettsPrimary
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: Dr. William Sidelinger
1601 23rd Avenue South, Training Office Suite 3105 Vph
Nashville, Tennessee
Zip: 37212
Patients can reach Dr. William Sidelinger at 309 Belmont St, Worcester, Massachusetts or can call to book an appointment on 508-368-3300.
Comments/ Reviews:

*Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 July, 2025.