Dr. Thomas Mark Sequeira, MD

  • Cleveland, OH
  • Cardiologist
NPI1508856428
Medicare services, 2024
561
Medicare patients, 2024
288
Part D claims, 2024
670
Hospital affiliations
1
Industry payments
$1,512
Practice address
9500 Euclid Avenue, Cleveland, OH 44195
Practice phone
Call (216) 952-9829
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Cleveland Clinic Main Campus

Hospital · Cleveland, Ohio

See all 4 affiliations

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Dr. Thomas Mark Sequeira is a cardiologist in Cleveland, Ohio

Dr. Sequeira practices at Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation.

Dr. Sequeira's NPI, 1508856428, was assigned on October 22, 2005. Dr. Sequeira holds Ohio license 35039830.

NPI and contact details
NPI enumeration date
October 22, 2005
NPI status
Active
Practice phone
(216) 952-9829
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
79
Medical school graduation
1973

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

Dr. Thomas Mark Sequeira practices at Cleveland Clinic Main Campus in Cleveland, Ohio

Dr. Sequeira's primary practice is Cleveland Clinic Main Campus, at 9500 Euclid Avenue, Cleveland, OH 44195 in Cuyahoga County. The practice phone is (216) 952-9829.

Source: Dmand AI Affiliation Data

Dr. Thomas Mark Sequeira is affiliated with 4 sites of care

Dr. Sequeira's primary practice is Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation. Dmand AI also links Dr. Sequeira to 2 clinical labs and 1 physician office, each named with a free account. Dr. Sequeira's employer is on file too: a hospital.

See all 4 affiliations for Dr. Sequeira

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

Dmand AI tracks the EHR system at Dr. Thomas Mark Sequeira's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sequeira practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Cleveland Clinic Main CampusAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Thomas Mark Sequeira is one of 945 cardiologists in Ohio

Cardiovascular disease is Dr. Sequeira's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Sequeira is licensed in Ohio.

Specialties and state licenses

  • Cardiovascular disease, OhioPrimaryLicense 35039830 · taxonomy 207RC0000X

Cardiologists near Dr. Sequeira

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. Thomas Mark Sequeira billed Medicare for 561 services in 2024

CMS data shows 561 Medicare services from Dr. Sequeira across 4 procedure codes in 2024, for 288 Medicare patients. Medicare paid $22,055 for them.

Medicare services, 2024561
Medicare patients288
Paid by Medicare$22,055
Procedure codes4

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

  • 2023
  • 2024
Office and hospital visits
2023: 4192024: 28432%
Tests and treatments
2023: 5352024: 27748%

Where Dr. Sequeira's Medicare services took place, 2024

  • In an office33860%
  • In a facility22340%

Dr. Sequeira compared with the Ohio median for cardiologists, 2024

  • Dr. Sequeira
  • Ohio median
Medicare services
561vs 1,43461% below
Medicare patients
288vs 82165% below
Part D claims
556vs 1,32058% below

Medians across 942 cardiologists in Ohio with Dmand AI profiles that report each measure.

Dr. Sequeira'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. Sequeira

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

Dr. Thomas Mark Sequeira treated 288 Medicare patients in 2024, average age 77

CMS counts 288 Medicare patients who saw Dr. Sequeira in 2024. The largest group is 75 to 84, with 137 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 4% are also on Medicaid. Their average risk score is 1.29, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Sequeira's median patient age at 73, with 36% women.

Medicare patients, 2024288
Average age77
Average risk score1.29
Also on Medicaid4%

Dr. Sequeira's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Sequeira's Medicare patients by sex, 2024

  • Women14149%
  • Men14751%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis47%
  4. Ischemic heart disease45%
  5. Chronic kidney disease32%
  6. Atrial fibrillation29%
  7. Diabetes27%
  8. Anxiety25%

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

Dr. Sequeira's patients across all payers

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

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women36%
  • Men64%

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

Dr. Thomas Mark Sequeira wrote 670 Medicare Part D claims in 2024

In 2024, Dr. Sequeira wrote 670 Medicare Part D claims for 194 patients. 90% of them were for generic drugs. CMS names the drug for 556 of them, across 14 drugs with 11 or more claims each, at $54,579 in total drug cost. In 2023, CMS named 2,173 claims across 32 drugs.

Part D claims, 2024670
Drugs named by CMS14
Total drug cost$54,579
Part D patients194

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

  • Generic602 claims90%
  • Brand-name68 claims10%

Dr. Sequeira'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2,1732024: 55674%

Drugs named by CMS: 14 in 2024, 32 in 2023.

See all prescribing by Dr. Sequeira

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. Thomas Mark Sequeira received $1,512 in industry payments from 2016 to 2024

CMS Open Payments shows 76 general payments to Dr. Sequeira from 19 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 84% of the total. Abbott Laboratories paid the most, $373.

General payments to Dr. Sequeira by program year, 2016 to 2024

General payments to Dr. Sequeira by kind, 2016 to 2024

$1.5Kin total
  • Food and beverage$1,27084%
  • Travel and lodging$24216%

Companies that paid Dr. Sequeira the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Sequeira

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

Sources for Dr. Thomas Mark Sequeira'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)
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. Thomas Mark Sequeira

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. Thomas Mark Sequeira's NPI number?

Dr. Thomas Mark Sequeira's NPI number is 1508856428. It was assigned on October 22, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Thomas Mark Sequeira?

Dr. Thomas Mark Sequeira is a cardiologist in Cleveland, Ohio. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. Thomas Mark Sequeira practice?

Dr. Sequeira practices at 9500 Euclid Avenue, Cleveland, OH 44195. Dr. Sequeira's primary practice is Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation. Dmand AI also links Dr. Sequeira to 2 clinical labs and 1 physician office.

What is Dr. Thomas Mark Sequeira's office phone number?

The practice phone on file for Dr. Sequeira is (216) 952-9829.

What is Dr. Thomas Mark Sequeira's medical license number?

Dr. Sequeira holds Ohio license 35039830.

Which hospitals is Dr. Thomas Mark Sequeira affiliated with?

Dr. Sequeira practices at Cleveland Clinic Main Campus in Cleveland, Ohio.

Does Dr. Thomas Mark Sequeira accept Medicare?

Yes. CMS data shows Dr. Sequeira billed Medicare for 561 services in 2024.

How many Medicare patients does Dr. Thomas Mark Sequeira see?

CMS counts 288 Medicare patients who saw Dr. Sequeira in 2024, with an average age of 77.

What services does Dr. Thomas Mark Sequeira bill to Medicare?

In 2024, Dr. Sequeira's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93010) and heart test or procedure (93306).

What drugs does Dr. Thomas Mark Sequeira prescribe most?

In 2024 Medicare Part D data, Dr. Sequeira's most prescribed drugs by claims were Rosuvastatin Calcium, Ezetimibe and Amlodipine Besylate.

Has Dr. Thomas Mark Sequeira received payments from drug or device companies?

CMS Open Payments shows $1,512 in general payments to Dr. Sequeira from 19 companies from 2016 to 2024. The largest total came from Abbott Laboratories.

How long has Dr. Thomas Mark Sequeira been practicing?

Dr. Sequeira graduated from medical school in 1973, 53 years ago.

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