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PIONEER VALLEY ALLERGY, LLC
NPI 1376435883
Allergy & Immunology in Westfield, MA

Active since July 18, 2025
212 SOUTHAMPTON RD UNIT B, WESTFIELD, MA 01085(413) 628-5187(413) 321-0170 Get Directions Write a Review

NPPES record last updated: September 17, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Pioneer Valley Allergy, Llc NPPES

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

PIONEER VALLEY ALLERGY, LLC (NPI 1376435883) is a healthcare organization registered as an allergy & immunology in Westfield, Massachusetts and active in the NPI registry since July 2025. The organization lists Vanessa L Van Stee, Owner/ao, as its authorized official.

NPPES Registry Identity

NPI1376435883
Entity TypeOrganization
Primary Taxonomy207K00000X
Legal Business NamePIONEER VALLEY ALLERGY, LLC
Location Address212 SOUTHAMPTON RD UNIT BWestfield, MA 01085-1321
Mailing Address212 Southampton Rd Unit BWestfield, MA 01085-1321 · (413) 628-5187
Phone(413) 628-5187
Fax(413) 321-0170
Organization SubpartNo
Authorized OfficialVanessa L Van SteeOwner/ao · (413) 628-5187
Enumeration DateJuly 18, 2025
Last NPPES UpdateSeptember 17, 2025
NPPES CertifiedSeptember 17, 2025
✔ NPI 1376435883 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
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.
212 SOUTHAMPTON RD UNIT B, Westfield, MA 01085
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES

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

DR. VANESSA L VANSTEE M.D.
Allergy & Immunology
212 SOUTHAMPTON RD UNIT B
WESTFIELD, MA 01085
Hampden County (413) 628-5187

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 Pioneer Valley Allergy, LLC's NPI number?

The NPI number for Pioneer Valley Allergy, LLC is 1376435883. It was assigned to this organization in the NPPES registry on July 18, 2025.

Where is Pioneer Valley Allergy, LLC located?

Pioneer Valley Allergy, LLC is located at 212 Southampton Rd Unit B, Westfield, MA 01085. The listed phone number is (413) 628-5187.

What is Pioneer Valley Allergy, LLC's specialty?

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

When was this NPI record last updated?

The NPPES record for Pioneer Valley Allergy, LLC was last updated on September 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.