DR. WILLIAM SIDELINGER MD
NPI 1467071209
Psychiatry & Neurology - Child & Adolescent Psychiatry in Worcester, MA

Q: What is William Sidelinger's NPI number?

The NPI number for William Sidelinger is 1467071209. It was assigned to this individual provider in the NPPES registry on April 12, 2020.

Q: What is William Sidelinger's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Active since April 12, 2020PECOS Enrolled

309 BELMONT ST, WORCESTER, MA 01604(508) 368-3300 Get Directions Write a Review

NPPES record last updated: June 16, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jun 16, 2025, Apr 12, 2020 (2 updates tracked since 2020).

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About Dr. William Sidelinger Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM SIDELINGER MD (NPI 1467071209) is an individual child & adolescent psychiatry provider in Worcester, Massachusetts, licensed in Massachusetts (1023236) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1467071209

Entity TypeIndividualMale

Primary Taxonomy2084P0804X

Provider Legal NameDR. WILLIAM SIDELINGERCredential: MD

Location Address309 BELMONT STWorcester, MA 01604-1059

Mailing Address1601 23rd Avenue South, Training Office Suite 3105 VphNashville, TN 37212

Phone(508) 368-3300

Sole ProprietorNo

Enumeration DateApril 12, 2020

Last NPPES UpdateJune 16, 20252 updates tracked since enumeration

NPPES CertifiedJune 16, 2025

✔ NPI 1467071209 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0804X

License✔ Licensed in MA · 1023236

Definition

Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.

309 BELMONT ST, Worcester, MA 01604

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William Sidelinger Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

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