Dr. Ryan T. Cassilly, MD

  • Clifton, NJ
  • Orthopedic surgeon
NPI1235455924PAC ID6204124894
Medicare services, 2021
21
Part D claims, 2024
14
Publications
5
Industry payments
$3,685
Affiliated sites
2
Practice address
1117 Route 46 East, Suite 303, Clifton, NJ 07013
Practice phone
Call (973) 779-7210
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Clifton Surgery Center

Surgery Center - Medicare-Certified · Clifton, New Jersey

See all 3 affiliations

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Dr. Ryan T. Cassilly is an orthopedic surgeon in Clifton, New Jersey

Dr. Cassilly practices at Clifton Surgery Center in Clifton, New Jersey.

Dr. Cassilly's NPI, 1235455924, was assigned on April 20, 2010. Dr. Cassilly graduated from Columbia University Vagelos College of Physicians and Surgeons in 2010. Dr. Cassilly holds New Jersey license 25MA09902700.

NPI and contact details
Medicare PAC ID
6204124894
NPI enumeration date
April 20, 2010
NPI status
Active
Practice phone
(973) 779-7210
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
42
Medical school graduation
2010

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Ryan T. Cassilly practices at Clifton Surgery Center in Clifton, New Jersey

Dr. Cassilly's primary practice is Clifton Surgery Center, at 1117 Route 46 East, Suite 303, Clifton, NJ 07013. The practice phone is (973) 779-7210.

  • Clifton Surgery Center
    1117 Route 46 East, Suite 303, Clifton, NJ 07013Phone(973) 779-7210

Source: Dmand AI Affiliation Data

Dr. Ryan T. Cassilly is affiliated with 2 sites of care and 1 medical group

Dr. Cassilly's primary practice is Clifton Surgery Center in Clifton, New Jersey. The medical group on file is Garden State Orthopaedic Associates. Dmand AI also links Dr. Cassilly to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Cassilly

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

Dmand AI tracks the EHR system at Dr. Ryan T. Cassilly's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cassilly practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Clifton Surgery CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ryan T. Cassilly is one of 644 orthopedic surgeons in New Jersey

Orthopaedic surgery is Dr. Cassilly's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dmand AI has Dr. Cassilly's licenses on file in 2 states: New Jersey and New York.

Specialties and state licenses

  • Orthopaedic surgery, New JerseyPrimaryLicense 25MA09902700 · taxonomy 207X00000X
  • New York licenseLicense 272553

Orthopedic surgeons near Dr. Cassilly

Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.

644orthopedic surgeons in New Jersey
9orthopedic surgeons in Clifton

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Ryan T. Cassilly billed Medicare for 21 services in 2021

CMS data shows 21 Medicare services from Dr. Cassilly across 1 procedure code in 2021, all of them office visits. Medicare paid $1,557 for them. Every service was in an office.

Medicare services, 202121
Paid by Medicare$1,557
Procedure codes1

Dr. Cassilly's Medicare services by type, 2019 to 2021

  • 2019
  • 2021
Office and hospital visits
2019: 272021: 2122%

Dr. Cassilly compared with the New Jersey median for orthopedic surgeons, 2021

  • Dr. Cassilly
  • New Jersey median
Medicare services
21vs 1,32698% below
Part D claims
12vs 7985% below

Medians across 604 orthopedic surgeons in New Jersey with Dmand AI profiles that report each measure.

Dr. Cassilly's most billed Medicare procedure codes, 2021

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. Cassilly and other orthopedic surgeons in New Jersey.

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

Dr. Ryan T. Cassilly's patients have a median age of 48

Across all payers, Dmand AI patient panel data puts Dr. Cassilly's median patient age at 48, with 33% women.

Dr. Cassilly's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 48

Patient panel by sex, all payers

  • Women33%
  • Men65%

Source: Dmand AI Patient Panel Data

Dr. Ryan T. Cassilly wrote 14 Medicare Part D claims in 2024

In 2024, Dr. Cassilly wrote 14 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $22 in total drug cost. In 2018, CMS named 11 claims across 1 drug.

Part D claims, 202414
Drugs named by CMS1
Total drug cost$22

Dr. Cassilly's most prescribed drugs by claims, 2021

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, 2018 to 2021

  • 2018
  • 2021
Claims for drugs CMS names
2018: 112021: 129%

Drugs named by CMS: 1 in 2021, 1 in 2018.

See all prescribing by Dr. Cassilly

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. Ryan T. Cassilly has 5 publications on record

Dmand AI links 5 papers to Dr. Cassilly, published from 2010 to 2015. The most frequent topics are Spinal Fusion, Lumbar Vertebrae and Scoliosis. Dr. Cassilly has published most often in Spine Deform. Dr. Cassilly's most frequent co-authors are Thomas J. Errico, MD, Charla Roland Fischer, MD and Norah Anne Foster, MD.

Papers5
Years published2010 to 2015

Dr. Cassilly's papers by year, 2010 to 2015

Topics Dr. Cassilly writes about most

  • Spinal Fusion
  • Lumbar Vertebrae
  • Scoliosis

Dr. Cassilly's most frequent co-authors

Recent publications by Dr. Cassilly

See all 5 publications and co-authors

See who Dr. Cassilly researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Cassilly works with, so you can find a warm path to the right orthopedic surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Ryan T. Cassilly received $3,685 in industry payments from 2016 to 2025

CMS Open Payments shows 64 general payments to Dr. Cassilly from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 93% of the total. Nuvasive, Inc. paid the most, $840.

General payments to Dr. Cassilly by program year, 2016 to 2025

General payments to Dr. Cassilly by kind, 2016 to 2025

$3.7Kin total
  • Food and beverage$3,44393%
  • Education$2417%

Companies that paid Dr. Cassilly the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Cassilly

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

Dr. Ryan T. Cassilly graduated from Columbia University Vagelos College of Physicians and Surgeons

Dr. Cassilly graduated from Columbia University Vagelos College of Physicians and Surgeons in 2010.

  1. Medical schoolColumbia University Vagelos College of Physicians and Surgeons

Source: Dmand AI Professional Profile Data

Sources for Dr. Ryan T. Cassilly'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 Data
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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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. Ryan T. Cassilly

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. Ryan T. Cassilly's NPI number?

Dr. Ryan T. Cassilly's NPI number is 1235455924. It was assigned on April 20, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Ryan T. Cassilly?

Dr. Ryan T. Cassilly is an orthopedic surgeon in Clifton, New Jersey. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).

Where does Dr. Ryan T. Cassilly practice?

Dr. Cassilly practices at 1117 Route 46 East, Suite 303, Clifton, NJ 07013. Dr. Cassilly's primary practice is Clifton Surgery Center in Clifton, New Jersey. Dmand AI also links Dr. Cassilly to 1 group practice or clinic.

What is Dr. Ryan T. Cassilly's office phone number?

The practice phone on file for Dr. Cassilly is (973) 779-7210.

What is Dr. Ryan T. Cassilly's medical license number?

Dr. Cassilly holds New Jersey license 25MA09902700, one of the licenses on file in 2 states.

Which states has Dr. Ryan T. Cassilly been licensed in?

Dmand AI has state licenses on file for Dr. Cassilly in New Jersey and New York.

What medical group is Dr. Ryan T. Cassilly part of?

Dr. Cassilly is linked to Garden State Orthopaedic Associates.

Does Dr. Ryan T. Cassilly accept Medicare?

Yes. CMS data shows Dr. Cassilly billed Medicare for 21 services in 2021.

What services does Dr. Ryan T. Cassilly bill to Medicare?

In 2021, Dr. Cassilly's most billed Medicare services were office visit, established patient (99213).

Where did Dr. Ryan T. Cassilly go to medical school?

Dr. Cassilly graduated from Columbia University Vagelos College of Physicians and Surgeons in 2010.

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What drugs does Dr. Ryan T. Cassilly prescribe most?

In 2021 Medicare Part D data, Dr. Cassilly's most prescribed drugs by claims were Tramadol HCl.

Has Dr. Ryan T. Cassilly received payments from drug or device companies?

CMS Open Payments shows $3,685 in general payments to Dr. Cassilly from 16 companies from 2016 to 2025. The largest total came from Nuvasive, Inc.

How long has Dr. Ryan T. Cassilly been practicing?

Dr. Cassilly graduated from medical school in 2010, 16 years ago.

Does Dr. Ryan T. Cassilly do research?

Dmand AI links 5 publications to Dr. Cassilly, published from 2010 to 2015.

Who does Dr. Ryan T. Cassilly publish with?

Dr. Cassilly's most frequent co-authors are Thomas J. Errico, MD (3 shared papers), Charla Roland Fischer, MD (2 shared papers) and Norah Anne Foster, MD (2 shared papers).

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