Dr. Daniel L. Cassis, MD
- Medicare services, 2024
- 2,381
- Medicare patients, 2024
- 142
- Part D claims, 2024
- 2,613
- Hospital affiliations
- 2
- Industry payments
- $1,495
- Practice address
- 4300 Alton Rd, Miami Beach, FL 33140
- Practice phone
- Call (305) 674-2121
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Cassis' professional email, personal email and mobile number
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Dr. Daniel L. Cassis is a cardiologist in Miami Beach, Florida
Dr. Cassis practices at Mount Sinai Medical Center in Miami Beach, Florida, part of Mount Sinai Medical Center of Florida.
Dr. Cassis' NPI, 1609874940, was assigned on July 11, 2005. Dr. Cassis graduated from West Virginia University School Of Medicine in 1974. Dr. Cassis holds Florida license ME27633.
- NPI
- 1609874940NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456344217
- NPI enumeration date
- July 11, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (305) 674-2121
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 78
- Medical school graduation
- 1974
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Daniel L. Cassis practices at Mount Sinai Medical Center in Miami Beach, Florida
Dr. Cassis' primary practice is Mount Sinai Medical Center, at 4300 Alton Rd, Miami Beach, FL 33140 in Miami-Dade County. The practice phone is (305) 674-2121.
- Mount Sinai Medical Center4300 Alton Rd, Miami Beach, FL 33140 · Miami-Dade CountyPhone(305) 674-2121
Source: Dmand AI Affiliation Data
Dr. Daniel L. Cassis is affiliated with 3 sites of care
Dr. Cassis' primary practice is Mount Sinai Medical Center in Miami Beach, Florida, part of Mount Sinai Medical Center of Florida. Dr. Cassis is also affiliated with Baptist Health Doctors Hospital. Dmand AI also links Dr. Cassis to 1 more physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Daniel L. Cassis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cassis practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mount Sinai Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Mount Sinai Medical Center of Florida and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Daniel L. Cassis is one of 1,709 cardiologists in Florida
Cardiovascular disease is Dr. Cassis' primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Cassis is board certified in cardiovascular disease by the American Board of Internal Medicine. Dr. Cassis is licensed in Florida.
Specialties and state licenses
- Cardiovascular disease, FloridaPrimary
Clinical focus
Dmand AI lists aneurysm, atrial fibrillation and flutter, cerebrovascular disease, chronic hypertension, coronary artery disease, heart failure, heart valve disorders and intermittent racing heartbeat (PSVT) among the conditions Dr. Cassis treats.
Cardiologists near Dr. Cassis
Counts of cardiologists 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. Daniel L. Cassis billed Medicare for 2,381 services in 2024
CMS data shows 2,381 Medicare services from Dr. Cassis across 13 procedure codes in 2024, for 142 Medicare patients. Medicare paid $193,825 for them. Every service was in an office.
Dr. Cassis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9952024: 9534%
- Tests and treatments
- 2023: 7182024: 7121%
- Surgery
- 2023: 3662024: 31314%
- Imaging
- 2023: 2602024: 22513%
- Other services
- 2023: 1682024: 1786%
Dr. Cassis compared with the Florida median for cardiologists, 2024
- Dr. Cassis
- Florida median
- Medicare services
- 2,381vs 1,92524% above
- Medicare patients
- 142vs 70680% below
- Part D claims
- 2,234vs 1,99812% above
Medians across 1,638 cardiologists in Florida with Dmand AI profiles that report each measure.
Dr. Cassis' 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.
Need commercial claims for Dr. Cassis?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Cassis and other cardiologists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Daniel L. Cassis treated 142 Medicare patients in 2024, average age 79
CMS counts 142 Medicare patients who saw Dr. Cassis in 2024. The largest group is 75 to 84, with 63 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.28, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Cassis' median patient age at 74, with 40% women.
Dr. Cassis' Medicare patients by age, 2024
Dr. Cassis' Medicare patients by sex, 2024
- Women6445%
- Men7855%
Chronic conditions among Dr. Cassis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Atrial fibrillation51%
- Arthritis42%
- Heart failure28%
- Cancer25%
- Diabetes25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Cassis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women40%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Daniel L. Cassis wrote 2,613 Medicare Part D claims in 2024
In 2024, Dr. Cassis wrote 2,613 Medicare Part D claims for 138 patients. 83% of them were for generic drugs. CMS names the drug for 2,234 of them, across 57 drugs with 11 or more claims each, at $347,751 in total drug cost. In 2023, CMS named 2,265 claims across 54 drugs.
Dr. Cassis' Part D claims by kind of drug, 2024
- Generic2,159 claims83%
- Brand-name437 claims17%
- Other17 claims1%
Dr. Cassis' 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. Cassis' Part D claims, 2024
- Opioids1%23 of 2,613 claims
- Antibiotics4%113 of 2,613 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: 2,2652024: 2,2341%
Drugs named by CMS: 57 in 2024, 54 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
How Dr. Daniel L. Cassis takes part in Medicare
Dr. Cassis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Daniel L. Cassis received $1,495 in industry payments from 2016 to 2025
CMS Open Payments shows 64 general payments to Dr. Cassis from 11 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $825.
General payments to Dr. Cassis by program year, 2016 to 2025
Companies that paid Dr. Cassis the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Daniel L. Cassis graduated from West Virginia University School Of Medicine
Dr. Cassis graduated from West Virginia University School Of Medicine in 1974.
- Medical school
- Board certified in cardiovascular disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Daniel L. Cassis accepts plans from 2 insurance carriers
Dr. Cassis is in network with 2 carriers, including Cigna and CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Cigna
- CMS Medicare
Plan types Dr. Cassis accepts, by number of carriers
- Medicare1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Daniel L. Cassis'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Daniel L. Cassis
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. Daniel L. Cassis' NPI number?
Dr. Daniel L. Cassis' NPI number is 1609874940. It was assigned on July 11, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Daniel L. Cassis?
Dr. Daniel L. Cassis is a cardiologist in Miami Beach, Florida. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Daniel L. Cassis practice?
Dr. Cassis practices at 4300 Alton Rd, Miami Beach, FL 33140. Dr. Cassis' primary practice is Mount Sinai Medical Center in Miami Beach, Florida, part of Mount Sinai Medical Center of Florida. Dmand AI also links Dr. Cassis to 1 physician office.
What is Dr. Daniel L. Cassis' office phone number?
The practice phone on file for Dr. Cassis is (305) 674-2121.
What is Dr. Daniel L. Cassis' medical license number?
Dr. Cassis holds Florida license ME27633.
Which hospitals is Dr. Daniel L. Cassis affiliated with?
Dr. Cassis practices at Mount Sinai Medical Center in Miami Beach, Florida. Dr. Cassis is also affiliated with Baptist Health Doctors Hospital.
Does Dr. Daniel L. Cassis accept Medicare?
Yes. CMS data shows Dr. Cassis billed Medicare for 2,381 services in 2024, and Dr. Cassis accepts Medicare assignment.
How many Medicare patients does Dr. Daniel L. Cassis see?
CMS counts 142 Medicare patients who saw Dr. Cassis in 2024, with an average age of 79.
Is Dr. Daniel L. Cassis board certified?
Yes. Dr. Cassis is board certified in cardiovascular disease by the American Board of Internal Medicine.
What services does Dr. Daniel L. Cassis bill to Medicare?
In 2024, Dr. Cassis' most billed Medicare services were office visit, established patient (99214), heart test or procedure (93000) and surgery: heart and blood vessels (36415).
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Where did Dr. Daniel L. Cassis go to medical school?
Dr. Cassis graduated from West Virginia University School Of Medicine in 1974.
What drugs does Dr. Daniel L. Cassis prescribe most?
In 2024 Medicare Part D data, Dr. Cassis' most prescribed drugs by claims were Rosuvastatin Calcium, Olmesartan Medoxomil and Metoprolol Succinate.
Has Dr. Daniel L. Cassis received payments from drug or device companies?
CMS Open Payments shows $1,495 in general payments to Dr. Cassis from 11 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Daniel L. Cassis been practicing?
Dr. Cassis graduated from medical school in 1974, 52 years ago.
What insurance does Dr. Daniel L. Cassis accept?
Dr. Cassis is in network with 2 carriers, including Cigna and CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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