Dr. Shaun C. Antonio, DO
- Medicare services, 2024
- 120
- Medicare patients, 2024
- 135
- Part D claims, 2024
- 117
- Hospital affiliations
- 2
- Industry payments
- $39
- Practice address
- 680 Center Street, Brockton, MA 02302
- Practice phone
- Call (508) 941-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Antonio's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Shaun C. Antonio is an emergency medicine physician in Brockton, Massachusetts
Dr. Antonio practices at Signature Healthcare Brockton Hospital in Brockton, Massachusetts, part of Signature Healthcare.
Dr. Antonio's NPI, 1245811603, was assigned on April 17, 2021. Dr. Antonio holds Massachusetts license 1018171.
- NPI
- 1245811603NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4880048958
- NPI enumeration date
- April 17, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (508) 941-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Shaun C. Antonio practices at Signature Healthcare Brockton Hospital in Brockton, Massachusetts
Dr. Antonio's primary practice is Signature Healthcare Brockton Hospital, at 680 Center Street, Brockton, MA 02302 in Plymouth County. The practice phone is (508) 941-7000.
- Signature Healthcare Brockton Hospital680 Center Street, Brockton, MA 02302 · Plymouth CountyPhone(508) 941-7000
Source: Dmand AI Affiliation Data
Dr. Shaun C. Antonio is affiliated with 4 sites of care and 4 medical groups
Dr. Antonio's primary practice is Signature Healthcare Brockton Hospital in Brockton, Massachusetts, part of Signature Healthcare. Dr. Antonio is also affiliated with CHRISTUS Spohn Hospital Corpus Christi - Shoreline. The medical group on file is Signature Healthcare Brockton Hospital. Dmand AI also links Dr. Antonio to 3 more medical groups, 1 imaging center and 1 urgent care center, each named with a free account. Dr. Antonio's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Shaun C. Antonio's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Antonio practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Signature Healthcare Brockton Hospital | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Shaun C. Antonio is one of 1,483 emergency medicine physicians in Massachusetts
Emergency medicine is Dr. Antonio's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Antonio's licenses on file in 2 states: Massachusetts and Texas.
Specialties and state licenses
- Emergency medicine, MassachusettsPrimary
- Student in an organized health care education/training program, Texas
Emergency medicine physicians near Dr. Antonio
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Shaun C. Antonio billed Medicare for 120 services in 2024
CMS data shows 120 Medicare services from Dr. Antonio across 4 procedure codes in 2024, for 135 Medicare patients. Medicare paid $13,064 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Antonio compared with the Massachusetts median for emergency medicine physicians, 2024
- Dr. Antonio
- Massachusetts median
- Medicare services
- 120vs 34165% below
- Medicare patients
- 135vs 33760% below
- Part D claims
- 28vs 3622% below
Medians across 1,477 emergency medicine physicians in Massachusetts with Dmand AI profiles that report each measure.
Dr. Antonio's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Shaun C. Antonio treated 135 Medicare patients in 2024, average age 72
CMS counts 135 Medicare patients who saw Dr. Antonio in 2024. The largest group is 65 to 74, with 45 patients. 75% of them have high blood pressure, and 69% have high cholesterol. 50% are also on Medicaid. Their average risk score is 1.85, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Antonio's median patient age at 68, with 50% women.
Dr. Antonio's Medicare patients by age, 2024
Dr. Antonio's Medicare patients by sex, 2024
- Women7052%
- Men6548%
Chronic conditions among Dr. Antonio's Medicare patients, 2024
- High blood pressure75%
- High cholesterol69%
- Arthritis46%
- Anxiety41%
- Diabetes41%
- Chronic kidney disease34%
- Ischemic heart disease34%
- Mood disorders33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Antonio's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Shaun C. Antonio wrote 117 Medicare Part D claims in 2024
In 2024, Dr. Antonio wrote 117 Medicare Part D claims for 82 patients. 96% of them were for generic drugs. CMS names the drug for 28 of them, across 2 drugs with 11 or more claims each, at $635 in total drug cost.
Dr. Antonio's Part D claims by kind of drug, 2024
- Generic112 claims96%
- Brand-name and other5 claims4%
Dr. Antonio's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Antonio's Part D claims, 2024
- Antibiotics33%39 of 117 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Shaun C. Antonio takes part in Medicare
Dr. Antonio accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Shaun C. Antonio received $39 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Antonio from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $39.
Companies that paid Dr. Antonio the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Shaun C. Antonio's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Shaun C. Antonio
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Shaun C. Antonio's NPI number?
Dr. Shaun C. Antonio's NPI number is 1245811603. It was assigned on April 17, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Shaun C. Antonio?
Dr. Shaun C. Antonio is an emergency medicine physician in Brockton, Massachusetts. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Shaun C. Antonio practice?
Dr. Antonio practices at 680 Center Street, Brockton, MA 02302. Dr. Antonio's primary practice is Signature Healthcare Brockton Hospital in Brockton, Massachusetts, part of Signature Healthcare. Dmand AI also links Dr. Antonio to 3 medical groups, 1 imaging center and 1 urgent care center.
What is Dr. Shaun C. Antonio's office phone number?
The practice phone on file for Dr. Antonio is (508) 941-7000.
What is Dr. Shaun C. Antonio's medical license number?
Dr. Antonio holds Massachusetts license 1018171, one of the licenses on file in 2 states.
Which states has Dr. Shaun C. Antonio been licensed in?
Dmand AI has state licenses on file for Dr. Antonio in Massachusetts and Texas.
Which hospitals is Dr. Shaun C. Antonio affiliated with?
Dr. Antonio practices at Signature Healthcare Brockton Hospital in Brockton, Massachusetts. Dr. Antonio is also affiliated with CHRISTUS Spohn Hospital Corpus Christi - Shoreline.
What medical group is Dr. Shaun C. Antonio part of?
Dr. Antonio is linked to Signature Healthcare Brockton Hospital. Dmand AI links Dr. Antonio to 3 more medical groups.
Does Dr. Shaun C. Antonio accept Medicare?
Yes. CMS data shows Dr. Antonio billed Medicare for 120 services in 2024, and Dr. Antonio accepts Medicare assignment.
How many Medicare patients does Dr. Shaun C. Antonio see?
CMS counts 135 Medicare patients who saw Dr. Antonio in 2024, with an average age of 72.
Show 4 more questionsShow fewer questions
What services does Dr. Shaun C. Antonio bill to Medicare?
In 2024, Dr. Antonio's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and emergency department visit (99283).
What drugs does Dr. Shaun C. Antonio prescribe most?
In 2024 Medicare Part D data, Dr. Antonio's most prescribed drugs by claims were Ondansetron ODT and Cefpodoxime Proxetil.
Has Dr. Shaun C. Antonio received payments from drug or device companies?
CMS Open Payments shows $39 in general payments to Dr. Antonio from 1 company from 2023 to 2023. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Shaun C. Antonio been practicing?
Dr. Antonio graduated from medical school in 2021, 5 years ago.
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