Dr. Brian James Cassidy, MD
- Medicare services, 2023
- 2,078
- Part D claims, 2024
- 1,054
- Hospital affiliations
- 1
- Industry payments
- $411
- Medical group
- 1
- Practice address
- 254 Easton Ave, New Brunswick, NJ 08901
- Practice phone
- Call (732) 745-8600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Brian James Cassidy is an internist in New Brunswick, New Jersey
Dr. Cassidy practices at Saint Peter's University Hospital in New Brunswick, New Jersey, part of Atlantic Health System.
Dr. Cassidy's NPI, 1063594943, was assigned on October 19, 2006. Dr. Cassidy graduated from St. George's University School of Medicine in 1985. Dr. Cassidy holds New Jersey license 25MA05192100.
- NPI
- 1063594943NPI Registry (opens in a new tab)
- NPI enumeration date
- October 19, 2006
- NPI status
- Active
- Practice phone
- (732) 745-8600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Brian James Cassidy practices at Saint Peter's University Hospital in New Brunswick, New Jersey
Dr. Cassidy's primary practice is Saint Peter's University Hospital, at 254 Easton Ave, New Brunswick, NJ 08901 in Middlesex County. The practice phone is (732) 745-8600.
- Saint Peter's University Hospital254 Easton Ave, New Brunswick, NJ 08901 · Middlesex CountyPhone(732) 745-8600
Source: Dmand AI Affiliation Data
Dr. Brian James Cassidy is affiliated with 2 sites of care and 1 medical group
Dr. Cassidy's primary practice is Saint Peter's University Hospital in New Brunswick, New Jersey, part of Atlantic Health System. The medical group on file is Atlantic Medical Group. Dmand AI also links Dr. Cassidy to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Brian James Cassidy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cassidy practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Saint Peter's University Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Brian James Cassidy is one of 4,226 internists in New Jersey
Internal medicine is Dr. Cassidy's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Cassidy is licensed in New Jersey.
Specialties and state licenses
- Internal medicine, New JerseyPrimary
Internists near Dr. Cassidy
Counts of internists 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. Brian James Cassidy billed Medicare for 2,078 services in 2023
CMS data shows 2,078 Medicare services from Dr. Cassidy across 16 procedure codes in 2023. Medicare paid $163,439 for them. Every service was in an office.
Dr. Cassidy's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 1,3602023: 1,2528%
- Other services
- 2022: 4432023: 4283%
- Surgery
- 2022: 2282023: 28525%
- Tests and treatments
- 2022: 1242023: 9127%
- Lab and pathology
- 2022: 162023: 2238%
Dr. Cassidy compared with the New Jersey median for internists, 2023
- Dr. Cassidy
- New Jersey median
- Medicare services
- 2,078vs 7232.9 times
- Part D claims
- 702vs 83015% below
Medians across 4,086 internists in New Jersey with Dmand AI profiles that report each measure.
Dr. Cassidy's most billed Medicare procedure codes, 2023
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Cassidy and other internists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brian James Cassidy's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Cassidy's median patient age at 75, with 56% women.
Dr. Cassidy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women56%
- Men40%
Source: Dmand AI Patient Panel Data
Dr. Brian James Cassidy wrote 1,054 Medicare Part D claims in 2024
In 2024, Dr. Cassidy wrote 1,054 Medicare Part D claims for 316 patients. 90% of them were for generic drugs. CMS names the drug for 702 of them, across 27 drugs with 11 or more claims each, at $26,750 in total drug cost. In 2023, CMS named 5,120 claims across 96 drugs.
Dr. Cassidy's Part D claims by kind of drug, 2024
- Generic949 claims90%
- Brand-name and other105 claims10%
Dr. Cassidy'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5,1202024: 70286%
Drugs named by CMS: 27 in 2024, 96 in 2023.
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
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Dr. Brian James Cassidy received $411 in industry payments from 2016 to 2024
CMS Open Payments shows 25 general payments to Dr. Cassidy from 10 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $141.
General payments to Dr. Cassidy by program year, 2016 to 2024
Companies that paid Dr. Cassidy the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Brian James Cassidy graduated from St. George's University School of Medicine
Dr. Cassidy graduated from St. George's University School of Medicine in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Brian James Cassidy'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 Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Brian James Cassidy
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. Brian James Cassidy's NPI number?
Dr. Brian James Cassidy's NPI number is 1063594943. It was assigned on October 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Brian James Cassidy?
Dr. Brian James Cassidy is an internist in New Brunswick, New Jersey. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Brian James Cassidy practice?
Dr. Cassidy practices at 254 Easton Ave, New Brunswick, NJ 08901. Dr. Cassidy's primary practice is Saint Peter's University Hospital in New Brunswick, New Jersey, part of Atlantic Health System. Dmand AI also links Dr. Cassidy to 1 group practice or clinic.
What is Dr. Brian James Cassidy's office phone number?
The practice phone on file for Dr. Cassidy is (732) 745-8600.
What is Dr. Brian James Cassidy's medical license number?
Dr. Cassidy holds New Jersey license 25MA05192100.
Which hospitals is Dr. Brian James Cassidy affiliated with?
Dr. Cassidy practices at Saint Peter's University Hospital in New Brunswick, New Jersey.
What medical group is Dr. Brian James Cassidy part of?
Dr. Cassidy is linked to Atlantic Medical Group.
Does Dr. Brian James Cassidy accept Medicare?
Yes. CMS data shows Dr. Cassidy billed Medicare for 2,078 services in 2023.
What services does Dr. Brian James Cassidy bill to Medicare?
In 2023, Dr. Cassidy's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99212) and medicare service (G0439).
Where did Dr. Brian James Cassidy go to medical school?
Dr. Cassidy graduated from St. George's University School of Medicine in 1985.
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What drugs does Dr. Brian James Cassidy prescribe most?
In 2024 Medicare Part D data, Dr. Cassidy's most prescribed drugs by claims were Amlodipine Besylate, Rosuvastatin Calcium and Atorvastatin Calcium.
Has Dr. Brian James Cassidy received payments from drug or device companies?
CMS Open Payments shows $411 in general payments to Dr. Cassidy from 10 companies from 2016 to 2024. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Brian James Cassidy been practicing?
Dr. Cassidy graduated from medical school in 1985, 41 years ago.
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