Western Massachusetts Allergy LLC
NPI 1538863774 · Allergy & Immunology Physician · Springfield, MA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Western Massachusetts Allergy LLC is a Allergy & Immunology Physician organization in Springfield, MA (NPI 1538863774).
Provider details
- NPI number
- 1538863774
- Entity type
- Organization
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- David Robertson, Owner(413) 707-6460
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-03-30
- Last updated
- 2026-01-25
- Certified
- 2026-01-25
Frequently asked questions
- What is Western Massachusetts Allergy LLC's NPI number?
- Western Massachusetts Allergy LLC's National Provider Identifier (NPI) is 1538863774, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Western Massachusetts Allergy LLC?
- Western Massachusetts Allergy LLC is classified in the NPPES registry as Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Western Massachusetts Allergy LLC located?
- Western Massachusetts Allergy LLC's practice location on file with NPPES is 90 Carew St Unit B, Springfield, MA 01104-3405.
- What is Western Massachusetts Allergy LLC's phone number?
- The practice phone number listed in the NPPES registry for Western Massachusetts Allergy LLC is (413) 707-6460.
- Does Western Massachusetts Allergy LLC accept Medicare?
- Western Massachusetts Allergy LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Western Massachusetts Allergy LLC?
- The authorized official listed on Western Massachusetts Allergy LLC's NPPES record is David Robertson, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Western Massachusetts Allergy LLC's NPI active?
- Yes — Western Massachusetts Allergy LLC's NPI (1538863774) is active in the NPPES registry as of the last update on 2026-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.