SHAUN C ANTONIO DO
NPI 1245811603
Emergency Medicine in Brockton, MA
About Shaun C Antonio Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHAUN C ANTONIO DO (NPI 1245811603) is an individual emergency medicine provider in Brockton, Massachusetts, licensed in Massachusetts (1018171) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with Signature Healthcare Brockton Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted Insurance
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
Shaun C Antonio Do 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 Reassignments
4Medicare enrollment records show Shaun Antonio reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brockton, MA 02302
- Reassigned Medicare billing, Massachusetts enrollment
- 81 clinicians in this Medicare group
Brockton, MA 02301
- Reassigned Medicare billing, Massachusetts enrollment
- 409 clinicians in this Medicare group
Worcester, MA 01608
- Reassigned Medicare billing, Massachusetts enrollment
- 90 clinicians in this Medicare group
Alice, TX 78332
- Reassigned Medicare billing, Texas enrollment
- 174 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 4
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Signature Healthcare Brockton Hospital
Acute Care Hospitals · Brockton, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02302 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BROCKTON, MA 02302
BROCKTON, MA 02302
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 Shaun Antonio's NPI number?
The NPI number for Shaun Antonio is 1245811603. It was assigned to this individual provider in the NPPES registry on April 17, 2021.
Where is Shaun Antonio located?
Shaun Antonio practices at 680 Centre St, Brockton, MA 02302. The listed phone number is (508) 941-7400.
What is Shaun Antonio's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Shaun Antonio enrolled in Medicare?
Yes. Shaun Antonio 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 organizations bill Medicare for Shaun Antonio's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shaun Antonio reassigns Medicare benefits to 4 organizations: Brockton Hospital, Inc. (Brockton, MA), Signature Healthcare Medical Group Inc (Brockton, MA), Emergency Physician Associates Of Massachusetts PC (Worcester, MA) and Gulf Coast Emergency Physicians, PLLC (Alice, TX). Each 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 Shaun Antonio's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Shaun Antonio accept?
Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Oscar Insurance Company and UnitedHealthcare list Shaun Antonio as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Shaun Antonio affiliated with any hospitals?
According to CMS data, Shaun Antonio is affiliated with Signature Healthcare Brockton Hospital.
When was this NPI record last updated?
The NPPES record for Shaun Antonio was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Shaun C Antonio, DO · NPI 1245811603
Emergency Medicine physician in Brockton, Massachusetts. Individual provider, active in the CMS NPPES registry since April 17, 2021.
## Identity
- **NPI:** 1245811603 (Entity type: Individual)
- **Enumerated:** April 17, 2021
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 1018171 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 680 CENTRE ST, Brockton, MA 02302-3308
- **Phone:** (508) 941-7400
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Brockton Hospital, Inc. (NPI 1063431286, Brockton, MA); Signature Healthcare Medical Group Inc (NPI 1508804949, Brockton, MA); Emergency Physician Associates Of Massachusetts PC (NPI 1730885252, Worcester, MA); Gulf Coast Emergency Physicians, PLLC (NPI 1972286920, Alice, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** August 5, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1245811603) · Data from the CMS NPPES public registry.