Gregory Cassidy, MD
NPI 1922538297 · Emergency Medicine Physician · Brick, NJ
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Cassidy, MD is a Emergency Medicine Physician provider in Brick, NJ (NPI 1922538297).
Provider details
- NPI number
- 1922538297
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA10714300 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,944 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 615 | $187 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 458 | $9 |
| X-Ray of Chest, 1 View71045 | 376 | $9 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 166 | $129 |
| Critical Care, First 30-74 Minutes99291 | 141 | $228 |
| X-Ray of Hip, 2-3 Views73502 | 25 | $12 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Naproxen | 56 | 55 |
| Prednisone | 38 | 38 |
| Cephalexin | 29 | 29 |
| Cefuroxime Axetilbrand: Cefuroxime | 20 | 20 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 20 | 19 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 19 | 19 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$30 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 703 Main StPaterson, NJ 07503-2621Phone: (973) 754-2222
Registry dates
- Enumerated
- 2017-06-19
- Last updated
- 2020-09-16
- Certified
- 2020-09-16
Frequently asked questions
- What is Gregory Cassidy's NPI number?
- Gregory Cassidy's National Provider Identifier (NPI) is 1922538297, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Cassidy's specialty?
- Gregory Cassidy is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Cassidy located?
- Gregory Cassidy's practice location on file with NPPES is 425 Jack Martin Blvd, Brick, NJ 08724-7732.
- What is Gregory Cassidy's phone number?
- The practice phone number listed in the NPPES registry for Gregory Cassidy is (732) 840-3380.
- Does Gregory Cassidy accept Medicare?
- Gregory Cassidy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Cassidy's NPI active?
- Yes — Gregory Cassidy's NPI (1922538297) is active in the NPPES registry as of the last update on 2020-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.