Dr. Gregory Philip Cassidy, MD

  • Brick, NJ
  • Emergency medicine physician
NPI1922538297PAC ID3678908282
Medicare services, 2024
1,944
Medicare patients, 2024
895
Part D claims, 2024
335
MIPS score, 2024
26
Hospital affiliations
2
Practice address
425 Jack Martin Blvd, Brick, NJ 08724
Practice phone
Call (732) 840-2200
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Ocean University Medical Center

Hospital · Brick, New Jersey

See all 4 affiliations

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Dr. Gregory Philip Cassidy is an emergency medicine physician in Brick, New Jersey

Dr. Cassidy practices at Ocean University Medical Center in Brick, New Jersey, part of Hackensack Meridian Health.

Dr. Cassidy's NPI, 1922538297, was assigned on June 19, 2017. Dr. Cassidy holds New Jersey license 25MA10714300.

NPI and contact details
Medicare PAC ID
3678908282
NPI enumeration date
June 19, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(732) 840-2200
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
35
Medical school graduation
2017

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Gregory Philip Cassidy practices at Ocean University Medical Center in Brick, New Jersey

Dr. Cassidy's primary practice is Ocean University Medical Center, at 425 Jack Martin Blvd, Brick, NJ 08724 in Ocean County. The practice phone is (732) 840-2200.

Source: Dmand AI Affiliation Data

Dr. Gregory Philip Cassidy is affiliated with 2 sites of care and 2 medical groups

Dr. Cassidy's primary practice is Ocean University Medical Center in Brick, New Jersey, part of Hackensack Meridian Health. Dr. Cassidy is also affiliated with Riverview Medical Center. The medical group on file is Barron Emergency Physicians. Dmand AI also links Dr. Cassidy to 1 more medical group, named with a free account.

See all 4 affiliations for Dr. Cassidy

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Gregory Philip 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.

EHR by site
SiteEHR vendor and product
Ocean University Medical CenterAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gregory Philip Cassidy is one of 1,548 emergency medicine physicians in New Jersey

Emergency medicine is Dr. Cassidy's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Cassidy is licensed in New Jersey.

Specialties and state licenses

  • Emergency medicine, New JerseyPrimaryLicense 25MA10714300 · taxonomy 207P00000X

Emergency medicine physicians near Dr. Cassidy

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. Gregory Philip Cassidy billed Medicare for 1,944 services in 2024

CMS data shows 1,944 Medicare services from Dr. Cassidy across 15 procedure codes in 2024, for 895 Medicare patients. Medicare paid $138,498 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20241,944
Medicare patients895
Paid by Medicare$138,498
Procedure codes15

Dr. Cassidy's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 7742024: 94622%
Imaging
2023: 1492024: 527254%
Tests and treatments
2023: 4232024: 47111%

Dr. Cassidy compared with the New Jersey median for emergency medicine physicians, 2024

  • Dr. Cassidy
  • New Jersey median
Medicare services
1,944vs 3266.0 times
Medicare patients
895vs 3212.8 times
Part D claims
246vs 475.2 times

Medians across 1,494 emergency medicine physicians in New Jersey with Dmand AI profiles that report each measure.

Dr. Cassidy'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.

See all procedures by Dr. Cassidy

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Gregory Philip Cassidy treated 895 Medicare patients in 2024, average age 76

CMS counts 895 Medicare patients who saw Dr. Cassidy in 2024. The largest group is 75 to 84, with 326 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 2.03, 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. Cassidy's median patient age at 69, with 56% women.

Medicare patients, 2024895
Average age76
Average risk score2.03
Also on Medicaid12%

Dr. Cassidy's Medicare patients by age, 2024

Dr. Cassidy's Medicare patients by sex, 2024

  • Women52058%
  • Men37542%

Chronic conditions among Dr. Cassidy's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis65%
  4. Ischemic heart disease52%
  5. Anxiety44%
  6. Diabetes43%
  7. Mood disorders42%
  8. Atrial fibrillation37%

Share of Medicare patients with each condition. A patient can have several.

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 69

Patient panel by sex, all payers

  • Women56%
  • Men39%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Gregory Philip Cassidy wrote 335 Medicare Part D claims in 2024

In 2024, Dr. Cassidy wrote 335 Medicare Part D claims for 243 patients. 97% of them were for generic drugs. CMS names the drug for 246 of them, across 11 drugs with 11 or more claims each, at $1,067 in total drug cost. In 2023, CMS named 220 claims across 10 drugs.

Part D claims, 2024335
Drugs named by CMS11
Total drug cost$1,067
Part D patients243

Dr. Cassidy's Part D claims by kind of drug, 2024

  • Generic325 claims97%
  • Brand-name and other10 claims3%

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.

Drug classes CMS tracks in Dr. Cassidy's Part D claims, 2024

  • Opioids7%22 of 335 claims
  • Antibiotics40%134 of 335 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2202024: 24612%

Drugs named by CMS: 11 in 2024, 10 in 2023.

See all prescribing by Dr. Cassidy

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

Dr. Gregory Philip Cassidy scored 26 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 26 out of 100 for Dr. Cassidy for performance year 2024, reported individually. Dr. Cassidy accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Cassidy's MIPS scores, performance year 2024

  • 26of 100Final score
  • 30of 100Quality
  • 0of 100Improvement Activities
  • 16of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Gregory Philip Cassidy received $166 in industry payments from 2021 to 2024

CMS Open Payments shows 8 general payments to Dr. Cassidy from 5 drug and device companies from 2021 to 2024. Food and beverage make up the largest share, 100% of the total. Innovation Technologies Inc paid the most, $77.

General payments to Dr. Cassidy by program year, 2021 to 2024

Companies that paid Dr. Cassidy the most, 2021 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Cassidy

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Gregory Philip Cassidy's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Gregory Philip 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. Gregory Philip Cassidy's NPI number?

Dr. Gregory Philip Cassidy's NPI number is 1922538297. It was assigned on June 19, 2017, and it is active in the NPI Registry.

What kind of doctor is Dr. Gregory Philip Cassidy?

Dr. Gregory Philip Cassidy is an emergency medicine physician in Brick, New Jersey. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Gregory Philip Cassidy practice?

Dr. Cassidy practices at 425 Jack Martin Blvd, Brick, NJ 08724. Dr. Cassidy's primary practice is Ocean University Medical Center in Brick, New Jersey, part of Hackensack Meridian Health. Dmand AI also links Dr. Cassidy to 1 medical group.

What is Dr. Gregory Philip Cassidy's office phone number?

The practice phone on file for Dr. Cassidy is (732) 840-2200.

What is Dr. Gregory Philip Cassidy's medical license number?

Dr. Cassidy holds New Jersey license 25MA10714300.

Which hospitals is Dr. Gregory Philip Cassidy affiliated with?

Dr. Cassidy practices at Ocean University Medical Center in Brick, New Jersey. Dr. Cassidy is also affiliated with Riverview Medical Center.

What medical group is Dr. Gregory Philip Cassidy part of?

Dr. Cassidy is linked to Barron Emergency Physicians. Dmand AI links Dr. Cassidy to 1 more medical group.

Does Dr. Gregory Philip Cassidy accept Medicare?

Yes. CMS data shows Dr. Cassidy billed Medicare for 1,944 services in 2024, and Dr. Cassidy accepts Medicare assignment.

What is Dr. Gregory Philip Cassidy's MIPS score?

Dr. Cassidy's MIPS final score for performance year 2024 is 26 out of 100, reported individually.

How many Medicare patients does Dr. Gregory Philip Cassidy see?

CMS counts 895 Medicare patients who saw Dr. Cassidy in 2024, with an average age of 76.

Show 4 more questionsShow fewer questions

What services does Dr. Gregory Philip Cassidy bill to Medicare?

In 2024, Dr. Cassidy's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and diagnostic imaging (71045).

What drugs does Dr. Gregory Philip Cassidy prescribe most?

In 2024 Medicare Part D data, Dr. Cassidy's most prescribed drugs by claims were Naproxen, Prednisone and Cephalexin.

Has Dr. Gregory Philip Cassidy received payments from drug or device companies?

CMS Open Payments shows $166 in general payments to Dr. Cassidy from 5 companies from 2021 to 2024. The largest total came from Innovation Technologies Inc.

How long has Dr. Gregory Philip Cassidy been practicing?

Dr. Cassidy graduated from medical school in 2017, 9 years ago.

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