Cardiovasc Ther
Cardiovascular DiseasesClinical Decision-MakingFactor Xa Inhibitors
Dr. Tom A. Lassar, MD
NPI1487670048
- Medicare services, 2021
- 978
- Part D claims, 2021
- 15
- Publications
- 5
- Industry payments
- $48,680
- State license
- 1
- Practice address
- 11100 Euclid Ave, Cleveland, OH 44106-1716
- Practice phone
- Call (216) 844-8500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Lassar's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Tom A. Lassar is a cardiologist in Cleveland, Ohio
Dr. Lassar practices in Cleveland, Ohio.
Dr. Lassar's NPI, 1487670048, was assigned on July 15, 2006. Dr. Lassar graduated from Saint Louis University School of Medicine in 1977. Dr. Lassar holds Ohio license 35-057422.
NPI and contact details
- NPI
- 1487670048NPI Registry (opens in a new tab)
- NPI enumeration date
- July 15, 2006
- NPI status
- Active
- Practice phone
- (216) 844-8500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Tom A. Lassar's practice address is in Cleveland, Ohio
Dr. Lassar's practice address in the NPI Registry is 11100 Euclid Ave, Cleveland, OH 44106-1716. The practice phone is (216) 844-8500.
- NPI Registry address11100 Euclid Ave, Cleveland, OH 44106-1716Phone(216) 844-8500
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Tom A. Lassar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lassar practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Lassar's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Tom A. Lassar is one of 945 cardiologists in Ohio
Cardiovascular disease is Dr. Lassar's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Lassar is licensed in Ohio.
Specialties and state licenses
- Cardiovascular disease, OhioPrimary
Cardiologists near Dr. Lassar
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. Tom A. Lassar billed Medicare for 978 services in 2021
CMS data shows 978 Medicare services from Dr. Lassar across 3 procedure codes in 2021. Medicare paid $9,822 for them.
Medicare services, 2021978
Paid by Medicare$9,822
Procedure codes3
Dr. Lassar's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Tests and treatments
- 2020: 1,2912021: 92828%
- Office and hospital visits
- 2020: 1572021: 5068%
Where Dr. Lassar's Medicare services took place, 2021
- In an office141%
- In a facility96499%
Dr. Lassar compared with the Ohio median for cardiologists, 2021
- Dr. Lassar
- Ohio median
- Medicare services
- 978vs 1,43432% below
- Part D claims
- 15vs 1,32099% below
Medians across 942 cardiologists in Ohio with Dmand AI profiles that report each measure.
Dr. Lassar'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. Lassar and other cardiologists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tom A. Lassar's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Lassar's median patient age at 69, with 43% women.
Dr. Lassar'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
- Women43%
- Men56%
Source: Dmand AI Patient Panel Data
Dr. Tom A. Lassar wrote 15 Medicare Part D claims in 2021
In 2021, Dr. Lassar wrote 15 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $371 in total drug cost. In 2018, CMS named 34 claims across 2 drugs.
Part D claims, 202115
Drugs named by CMS1
Total drug cost$371
Dr. Lassar'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: 342021: 1556%
Drugs named by CMS: 1 in 2021, 2 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Tom A. Lassar has 5 publications on record
Dmand AI links 5 papers to Dr. Lassar, published from 2011 to 2021. 2021 was the busiest year, with 2. The most frequent topics are Cardiovascular Diseases. Dr. Lassar's most frequent co-authors are Dale S. Adler, MD, Muhammad Ajmal and Kevin J. Croce, MD.
Papers5
Years published2011 to 2021
Dr. Lassar's papers by year, 2011 to 2021
Topics Dr. Lassar writes about most
- Cardiovascular Diseases
Dr. Lassar's most frequent co-authors
Recent publications by Dr. Lassar
Cardiovasc Revasc Med
Coronary Artery DiseaseCoronary RestenosisDrug-Eluting Stents
Front Biosci (Elite Ed)
AC133 AntigenAngina PectorisAntigens, CD
Rev Cardiovasc Med
AlgorithmsAngioplasty, Balloon, CoronaryBlood Platelets
See who Dr. Lassar researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lassar works with, so you can find a warm path to the right cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Tom A. Lassar received $48,680 in industry payments from 2016 to 2024
CMS Open Payments shows 236 general payments to Dr. Lassar from 31 drug and device companies from 2016 to 2024. Honoraria make up the largest share, 40% of the total. Chiesi USA, Inc. paid the most, $21,318.
General payments to Dr. Lassar by program year, 2016 to 2024
General payments to Dr. Lassar by kind, 2016 to 2024
$48.7Kin total
- Honoraria$19,35040%
- Speaker and faculty fees$16,22833%
- Food and beverage$8,56318%
- Consulting fees$3,5007%
- Other$9642%
Companies that paid Dr. Lassar the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Tom A. Lassar graduated from Saint Louis University School of Medicine
Dr. Lassar graduated from Saint Louis University School of Medicine in 1977.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Tom A. Lassar'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Tom A. Lassar
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. Tom A. Lassar's NPI number?
Dr. Tom A. Lassar's NPI number is 1487670048. It was assigned on July 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Tom A. Lassar?
Dr. Tom A. Lassar is a cardiologist in Cleveland, Ohio. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Tom A. Lassar practice?
Dr. Lassar practices at 11100 Euclid Ave, Cleveland, OH 44106-1716.
What is Dr. Tom A. Lassar's office phone number?
The practice phone on file for Dr. Lassar is (216) 844-8500.
What is Dr. Tom A. Lassar's medical license number?
Dr. Lassar holds Ohio license 35-057422.
Does Dr. Tom A. Lassar accept Medicare?
Yes. CMS data shows Dr. Lassar billed Medicare for 978 services in 2021.
What services does Dr. Tom A. Lassar bill to Medicare?
In 2021, Dr. Lassar's most billed Medicare services were heart test or procedure (93010), office visit, established patient (99214) and hospital inpatient care (99222).
Where did Dr. Tom A. Lassar go to medical school?
Dr. Lassar graduated from Saint Louis University School of Medicine in 1977.
What drugs does Dr. Tom A. Lassar prescribe most?
In 2021 Medicare Part D data, Dr. Lassar's most prescribed drugs by claims were Metoprolol Succinate.
Has Dr. Tom A. Lassar received payments from drug or device companies?
CMS Open Payments shows $48,680 in general payments to Dr. Lassar from 31 companies from 2016 to 2024. The largest total came from Chiesi USA, Inc.
Show 3 more questionsShow fewer questions
How long has Dr. Tom A. Lassar been practicing?
Dr. Lassar graduated from medical school in 1977, 49 years ago.
Does Dr. Tom A. Lassar do research?
Dmand AI links 5 publications to Dr. Lassar, published from 2011 to 2021.
Who does Dr. Tom A. Lassar publish with?
Dr. Lassar's most frequent co-authors are Dale S. Adler, MD (1 shared paper), Muhammad Ajmal (1 shared paper) and Kevin J. Croce, MD (1 shared paper).
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