SARAH CHAMSEDDINE M.D.
NPI 1275197550
Pediatrics - Pediatric Allergy/Immunology in Boston, MA

Active since April 23, 2019PECOS EnrolledAccepts Medicare Assignment
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-6000 Get Directions Write a Review

NPPES record last updated: May 30, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 30, 2025, Apr 23, 2019 (2 updates tracked since 2019).

About Sarah Chamseddine M.d. NPPES

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

SARAH CHAMSEDDINE M.D. (NPI 1275197550) is an individual pediatric allergy/immunology provider in Boston, Massachusetts, licensed in Massachusetts (1020299) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1275197550
Entity TypeIndividualFemale
Primary Taxonomy2080P0201X
Provider Legal NameSARAH CHAMSEDDINECredential: M.D.
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address300 Longwood AveBoston, MA 02115-5724 · (617) 355-6000
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateApril 23, 2019
Last NPPES UpdateMay 30, 20252 updates tracked since enumeration
NPPES CertifiedMay 30, 2025
NPI 1275197550 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatrics · Pediatric Allergy/ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0201X
License Licensed in MA · 1020299
Definition
A pediatrician who specializes in the diagnosis and treatment of allergies, allergic reactions, and immunologic diseases in children.
300 LONGWOOD AVE, Boston, MA 02115

Accepted Insurance

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

Sarah Chamseddine 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 ID4880927284
PECOS Enrollment IDI20250605001869
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.

Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
BOSTON, MA 02115

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sarah Chamseddine's NPI number?

The NPI number for Sarah Chamseddine is 1275197550. It was assigned to this individual provider in the NPPES registry on April 23, 2019.

Where is Sarah Chamseddine located?

Sarah Chamseddine practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.

What is Sarah Chamseddine's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Allergy/Immunology, with taxonomy code 2080P0201X.

Is Sarah Chamseddine enrolled in Medicare?

Yes. Sarah Chamseddine is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Sarah Chamseddine accept?

Health plans from Anthem Blue Cross and Blue Shield list Sarah Chamseddine as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Sarah Chamseddine was last updated on May 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.