Psychiatrist | Child & Adolescent Psychiatry

Dr. William Sidelinger, MD

309 Belmont St, Worcester, Massachusetts, 01604-1059

About Dr. William Sidelinger

Dr. William Sidelinger is a psychiatrist based in Worcester, Massachusetts who is specialized in Child & Adolescent Psychiatry. Active license number of Dr. William Sidelinger is 1023236 for Child & Adolescent Psychiatry in Massachusetts. His current practice location is 309 Belmont St, Worcester. Patients can contact him at 508-368-3300. Dr. William Sidelinger, MD, specializes in Child & Adolescent Psychiatry 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.

Practice Information

Dr. William Sidelinger's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Dr. William Sidelinger
Specialization Child & Adolescent Psychiatry
Credentials MD
Gender Male
Practice Address: 309 Belmont St,
Worcester, MA - 01604-1059

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1467071209
NPI Enumeration Date: 12 Apr, 2020
NPI Last Update On: 16 Jun, 2025

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Dr. William Sidelinger are as mentioned below.

License NumberSpecializationStateStatus
1023236Child & Adolescent Psychiatry MassachusettsPrimary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Dr. William Sidelinger
1601 23rd Avenue South, Training Office Suite 3105 Vph
Nashville, TN - 37212

Book an Appointment with Dr. William Sidelinger

To schedule an appointment, contact Dr. William Sidelinger at 309 Belmont St, Worcester, Massachusetts or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. William Sidelinger:

Dr. William Sidelinger is a psychiatrist specializing in Child & Adolescent Psychiatry. He has done additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.

Yes, Dr. William Sidelinger is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Dr. William Sidelinger practices at 309 Belmont St, Worcester, Massachusetts, 01604-1059.

To schedule an appointment with Dr. William Sidelinger, please contact the office at 508-368-3300.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.