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DR. JOHN L SULLIVAN M.D.
NPI 1821072547
Pediatrics - Pediatric Allergy/Immunology in Worcester, MA

Active since December 06, 2005
55 LAKE AVE N, DEPARTMENT OF PEDIATRIC ALLERGY & IMMUNOLOGY, WORCESTER, MA 01655(508) 856-1572(508) 856-5004 Get Directions Write a Review

NPPES record last updated: November 9, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 9, 2020, May 23, 2017 (2 updates tracked since 2017).

About Dr. John L Sullivan M.d. NPPES

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

DR. JOHN L SULLIVAN M.D. (NPI 1821072547) is an individual pediatric allergy/immunology provider in Worcester, Massachusetts, licensed in Massachusetts (42650) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1821072547
Entity TypeIndividualMale
Primary Taxonomy2080P0201X
Provider Legal NameDR. JOHN L SULLIVANCredential: M.D.
Location Address55 LAKE AVE N, DEPARTMENT OF PEDIATRIC ALLERGY & IMMUNOLOGYWorcester, MA 01655-0002
Mailing AddressPo Box 415348Boston, MA 02241-0001 · (800) 225-8885 · Fax (508) 334-1977
Phone(508) 856-1572
Fax(508) 856-5004
Sole ProprietorNo
Enumeration DateDecember 6, 2005
Last NPPES UpdateNovember 9, 20202 updates tracked since enumeration
NPPES CertifiedNovember 9, 2020
✔ NPI 1821072547 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 · 42650
Definition
A pediatrician who specializes in the diagnosis and treatment of allergies, allergic reactions, and immunologic diseases in children.
55 LAKE AVE N, Worcester, MA 01655
Open in Google Maps ↗

Other Identifiers 1

Medicaid2061902MA

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.

HILLARY R. IRONS MD
Emergency Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 421-1400
MS. EILEEN A. DUHAMEL NP
Nurse Practitioner
55 LAKE AVE N, DEPARTMENT OF RADIOLOGY
WORCESTER, MA 01655
Worcester County (508) 334-2710
EWA HRYNISZYN CRNA
Nurse Anesthetist, Certified Registered
55 LAKE AVE N, DEPARTMENT OF ANESTHESIOLOGY
WORCESTER, MA 01655
Worcester County (508) 334-3271
HELEN COPSEY PA-C
Physician Assistant
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 334-8585
DR. ADEPEJU GBADEBO CHAMPION M.D.
Internal Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 334-2731
SOWMYA KORAPATI
Internal Medicine (Hematology & Oncology)
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 334-3550
LAYLA FAKHRZADEH M.D.
Anesthesiology
55 LAKE AVE N, ANESTHESIOLOGY
WORCESTER, MA 01655
Worcester County (508) 334-3271
YOONYIE CHO M.D.
Anesthesiology
55 LAKE AVE N
WORCESTER, MA 01655
Worcester County (508) 334-1000

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 John Sullivan's NPI number?

The NPI number for John Sullivan is 1821072547. It was assigned to this individual provider in the NPPES registry on December 6, 2005.

Where is John Sullivan located?

John Sullivan practices at 55 Lake Ave N Department Of Pediatric Allergy & Immunology, Worcester, MA 01655. The listed phone number is (508) 856-1572.

What is John Sullivan's specialty?

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

When was this NPI record last updated?

The NPPES record for John Sullivan was last updated on November 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.