Organization Active NPI

Pioneer Valley Allergy, LLC

  • Allergy & Immunology Physician
  • Westfield, MA
National Provider Identifier
1104733765
Registry record updated Aug 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Allergy & Immunology PhysicianTaxonomy code 207K00000X
Legal business name
PIONEER VALLEY ALLERGY, LLC
Practice address
212 Southampton Rd Unit B
Westfield, MA 01085-1321
Phone
(413) 628-5187
Fax
(413) 321-0170
NPI assigned
Aug 27, 2026
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 27, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Vanessa L Vanstee, MD
Title
Sole Owner/Operator
Phone
(413) 628-5187

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Allergy & Immunology PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207K00000X Primary

Addresses

Primary practice location

212 Southampton Rd Unit B
Westfield, MA 01085-1321

Mailing address

212 Southampton Rd Unit B
Westfield, MA 01085-1321
Phone (413) 628-5187

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1787788800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1787788800000",
    "number": "1104733765",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "212 SOUTHAMPTON RD UNIT B",
            "city": "WESTFIELD",
            "state": "MA",
            "postal_code": "010851321",
            "telephone_number": "413-628-5187",
            "fax_number": "413-321-0170"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "212 SOUTHAMPTON RD UNIT B",
            "city": "WESTFIELD",
            "state": "MA",
            "postal_code": "010851321",
            "telephone_number": "413-628-5187",
            "fax_number": "413-321-0170"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "PIONEER VALLEY ALLERGY, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-08-27",
        "last_updated": "2026-08-27",
        "certification_date": "2026-08-27",
        "status": "A",
        "authorized_official_last_name": "VANSTEE",
        "authorized_official_first_name": "VANESSA",
        "authorized_official_middle_name": "L",
        "authorized_official_title_or_position": "SOLE OWNER/OPERATOR",
        "authorized_official_telephone_number": "413-628-5187",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207K00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Allergy & Immunology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Westfield, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 27, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.