DR. ELIAS BELEZOS M.D.
NPI 1205819109
Internal Medicine in Charlton, MA
About Dr. Elias Belezos M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ELIAS BELEZOS M.D. (NPI 1205819109) is an individual internal medicine provider in Charlton, Massachusetts, licensed in Massachusetts (78702) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Health - Harrington Hospital, and is a graduate of University Of Massachusetts Medical School (1992).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Elias Belezos M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Elias Belezos reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oxford, MA 01540
- Reassigned Medicare billing, Massachusetts enrollment
- 2,902 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 15
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Umass Memorial Health - Harrington Hospital
Acute Care Hospitals · Southbridge, MAMilford Regional Medical Center
Acute Care Hospitals · Milford, MAUmass Memorial Medical Center/University Campus
Acute Care Hospitals · Worcester, MASt Vincent Hospital
Acute Care Hospitals · Worcester, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01507 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Patient Reviews User submitted
Reviews are submitted by site visitors and approved by a human moderator before publication.
Review by Stephen ***** May 24, 2026
5/5Other Providers at the Same Location NPPES 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Elias Belezos's NPI number?
The NPI number for Elias Belezos is 1205819109. It was assigned to this individual provider in the NPPES registry on November 23, 2005.
Where is Elias Belezos located?
Elias Belezos practices at 10 N Main St, Charlton, MA 01507. The listed phone number is (508) 248-3015.
What is Elias Belezos's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Elias Belezos enrolled in Medicare?
Yes. Elias Belezos is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Elias Belezos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elias Belezos reassigns Medicare benefits to Umass Memorial Medical Group, Inc. (Oxford, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Elias Belezos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Elias Belezos affiliated with any hospitals?
According to CMS data, Elias Belezos is affiliated with Umass Memorial Health - Harrington Hospital, Milford Regional Medical Center, Umass Memorial Medical Center/University Campus and St Vincent Hospital.
When was this NPI record last updated?
The NPPES record for Elias Belezos was last updated on April 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.