Endocrine Associates of Western Mass, P.C.
NPI 1396766424 · Endocrinology, Diabetes & Metabolism Physician · Springfield, MA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Endocrine Associates of Western Mass, P.C. is a Endocrinology, Diabetes & Metabolism Physician organization in Springfield, MA (NPI 1396766424).
Provider details
- NPI number
- 1396766424
- Entity type
- Organization
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Barry Izenstein, President(413) 734-4661
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
19 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
- 2006-07-22
- Last updated
- 2009-02-20
Frequently asked questions
- What is Endocrine Associates of Western Mass, P.C.'s NPI number?
- Endocrine Associates of Western Mass, P.C.'s National Provider Identifier (NPI) is 1396766424, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Endocrine Associates of Western Mass, P.C.?
- Endocrine Associates of Western Mass, P.C. is classified in the NPPES registry as Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Endocrine Associates of Western Mass, P.C. located?
- Endocrine Associates of Western Mass, P.C.'s practice location on file with NPPES is 2 Medical Center Dr, Springfield, MA 01107-1270.
- What is Endocrine Associates of Western Mass, P.C.'s phone number?
- The practice phone number listed in the NPPES registry for Endocrine Associates of Western Mass, P.C. is (413) 734-4661.
- Does Endocrine Associates of Western Mass, P.C. accept Medicare?
- Endocrine Associates of Western Mass, P.C. 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 Endocrine Associates of Western Mass, P.C.?
- The authorized official listed on Endocrine Associates of Western Mass, P.C.'s NPPES record is Barry Izenstein, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Endocrine Associates of Western Mass, P.C.'s NPI active?
- Yes — Endocrine Associates of Western Mass, P.C.'s NPI (1396766424) is active in the NPPES registry as of the last update on 2009-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.