WILLIAM J BARBARESI M.D.
NPI 1689654816
Pediatrics - Developmental - Behavioral Pediatrics in Boston, MA

Q: What is the provider's specialty?

The provider's specialty is Pediatrics with taxonomy code 2080P0006X and a focus in Developmental - Behavioral Pediatrics.

Active since January 23, 2006PECOS EnrolledAccepts Medicare Assignment

300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-4534 Get Directions Write a Review

NPPES record last updated: June 29, 2022. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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About William J Barbaresi M.d. NPPES

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

WILLIAM J BARBARESI M.D. (NPI 1689654816) is an individual developmental - behavioral pediatrics provider in Boston, Massachusetts, licensed in Massachusetts (55645) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS and is a graduate of State University Of New York At Buffalo School Of Medicine (1984).

NPPES Registry Identity

NPI1689654816

Entity TypeIndividualMale

Primary Taxonomy2080P0006X

Provider Legal NameWILLIAM J BARBARESICredential: M.D.

Location Address300 LONGWOOD AVEBoston, MA 02115-5724

Mailing Address300 Longwood AveBoston, MA 02115-5724 · (617) 355-4125

Phone(617) 355-4534

Sole ProprietorNo

Medical School CMSState University Of New York At Buffalo School Of MedicineGraduated 1984

Enumeration DateJanuary 23, 2006

Last NPPES UpdateJune 29, 2022

NPPES CertifiedJune 29, 2022

✔ NPI 1689654816 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Developmental - Behavioral PediatricsAllopathic & Osteopathic Physicians

Taxonomy Code2080P0006X

License✔ Licensed in MA · 55645

Definition

A developmental-behavioral specialist is a pediatrician with special training and experience who aims to foster understanding and promotion of optimal development of children and families through research, education, clinical care and advocacy efforts. This physician assists in the prevention, diagnosis, and management of developmental difficulties and problematic behaviors in children and in the family dysfunctions that compromise children's development.

300 LONGWOOD AVE, Boston, MA 02115

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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 and accepts Medicare assignment

William J Barbaresi M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6507168192

PECOS Enrollment IDI20160114000229

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.