Physician Profile
Based in Brick, NJ, Gregory P. Cassidy, MD is listed in the NPI registry under emergency medicine. Medicare claims data shows Gregory provided 1,944 services to 1,889 patients. The services billed most often include emergency department visit with high level of medical decision making, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, and x-ray of chest, 1 view.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
425 JACK MARTIN BLVD
Brick, NJ 08724
703 Main St
Paterson, NJ 07503
Within Emergency Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Abdomen & Digestion
Allergy & Immune
Allergy & Immunology
Bites & Stings
Blood & Circulation
Brain & Nerves
Breathing
Digestion & Stomach
Ear, Nose & Throat
Endocrine & Metabolic
Environmental
Eye Care
Eye Emergency
General Emergency
Heart & Chest
Heart & Circulation
Heart & Lungs
Infections & Illness
Injuries & Trauma
Lungs & Breathing
Men's Health
Poisoning & Environmental
Poisoning & Toxins
Skin & Infections
Spine & Back
Urinary & Bladder
Urinary & Kidney
Women's Health
Abdominal Procedures
Airway & Breathing
Anesthesia & Sedation
Breathing & Airway
Critical Care
Diagnostics
Digestive Care
Ear, Nose & Throat
Eye & ENT
Eye Care
Heart & Diagnostics
Heart Care
Imaging & Diagnostics
Injections & Vaccines
Kidney Care
Lung & Respiratory
Medications
Mental Health
Minor Procedures
Minor Trauma
Orthopedic Procedures
Orthopedics
Poisoning & Toxicology
Specialized Care
Stroke & Vascular
Supportive Care
Toxicology
Women's Health
Wound Care
1,944 services · 1,889 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
376 | More than most peers in Emergency Medicine |
| X-ray of foot, minimum of 3 views | Imaging | 73630 |
25 | More often than most peers in Emergency Medicine |
| X-ray of hip, 2-3 views | Imaging | 73502 |
25 | More often than most peers in Emergency Medicine |
| X-ray of thigh bone, minimum 2 views | Imaging | 73552 |
21 | |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
20 | More often than most peers in Emergency Medicine |
| X-ray of knee, 3 views | Imaging | 73562 |
19 | More often than most peers in Emergency Medicine |
| X-ray lower and sacral spine, minimum of 6 views | Imaging | 72114 |
17 | |
| X-ray of ankle, minimum of 3 views | Imaging | 73610 |
12 | |
| X-ray of hand, minimum of 3 views | Imaging | 73130 |
12 | |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
458 | More than most peers in Emergency Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Cassidy is an emergency physician in Brick, NJ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.
NPI registry
Dr. Cassidy is listed at 425 Jack Martin Blvd, Brick, NJ 08724. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (732) 840-3380. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Cassidy's National Provider Identifier is 1922538297. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Cassidy attended Other, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
Dr. Cassidy has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Cassidy performs imaging including x-ray of chest, 1 view and x-ray of foot, minimum of 3 views; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and electrocardiogram 1 to 3 leads with review by physician only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Cassidy. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.