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ELLEN CONROY
NPI 1821557935
Allergy & Immunology in Boston, MA

Active since March 18, 2019PECOS Enrolled
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-6000 Get Directions Write a Review

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

About Ellen Conroy NPPES

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

ELLEN CONROY (NPI 1821557935) is an individual allergy & immunology provider in Boston, Massachusetts, licensed in Massachusetts (292019) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS and is a graduate of University Of Wisconsin School Of Medicine (2019).

NPPES Registry Identity

NPI1821557935
Entity TypeIndividualFemale
Primary Taxonomy207K00000X
Provider Legal NameELLEN CONROY
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address300 Longwood AveBoston, MA 02115-5724 · (617) 355-6000
Phone(617) 355-6000
Sole ProprietorNo
Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 2019
Enumeration DateMarch 18, 2019
Last NPPES UpdateJuly 16, 2025
NPPES CertifiedJuly 16, 2025
✔ NPI 1821557935 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in MA · 292019
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
300 LONGWOOD AVE, Boston, MA 02115
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ellen Conroy is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4688902240
PECOS Enrollment IDI20250721002524
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.

JULIE ANN HANSEN LCSW
Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (857) 218-4309
MS. ANNA ROGLIERI
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6000
STEPHEN G. FLYNN M.D.
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6000
MRS. LAUREN ASHLEY SHARIS P.T., D.P.T
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-7216
MS. SOYUN KWAN LICSW
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Suffolk County (617) 355-0567
PUJA BANKA M.D.
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Suffolk County (617) 355-6363
MR. COURTNEY SULLIVAN FRATTO CPNP
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Suffolk County (857) 218-4085
DR. ELIZABETH S TAGLAUER M.D., PH.D.
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
BOSTON, MA 02115
Suffolk County (617) 355-6000

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 Ellen Conroy's NPI number?

The NPI number for Ellen Conroy is 1821557935. It was assigned to this individual provider in the NPPES registry on March 18, 2019.

Where is Ellen Conroy located?

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

What is Ellen Conroy's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Ellen Conroy enrolled in Medicare?

Yes. Ellen Conroy is registered in the Medicare PECOS enrollment system.

What insurance does Ellen Conroy accept?

Health plans from Anthem Blue Cross and Blue Shield list Ellen Conroy 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 Ellen Conroy was last updated on July 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.