Sandra Bellantonio, MD
NPI 1437245206 · Geriatric Medicine (Internal Medicine) Physician · Springfield, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sandra Bellantonio, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Springfield, MA (NPI 1437245206).
Provider details
- NPI number
- 1437245206
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 80216 (MA)
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
- 2006-10-05
- Last updated
- 2011-03-11
Frequently asked questions
- What is Sandra Bellantonio's NPI number?
- Sandra Bellantonio's National Provider Identifier (NPI) is 1437245206, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandra Bellantonio's specialty?
- Sandra Bellantonio is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Sandra Bellantonio located?
- Sandra Bellantonio's practice location on file with NPPES is 759 Chestnut Street, Springfield, MA 01199.
- What is Sandra Bellantonio's phone number?
- The practice phone number listed in the NPPES registry for Sandra Bellantonio is (413) 794-8120.
- Does Sandra Bellantonio accept Medicare?
- Sandra Bellantonio is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sandra Bellantonio's NPI active?
- Yes — Sandra Bellantonio's NPI (1437245206) is active in the NPPES registry as of the last update on 2011-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.