Constantine Dean Katsamakis, DO
Cardiovascular Disease Physician · Mattoon, IL
Constantine Dean Katsamakis, DO is a cardiovascular disease physician with a practice address in Mattoon, Illinois, and NPI 1407906100, issued on Jan 12, 2007. Check the license (Illinois 036107954, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Constantine Dean Katsamakis
- Credential
- DO
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 036107954 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Health Center Dr, Mattoon, IL 61938
- Phone
- (217) 238-4960
- Enumerated
- Jan 12, 2007
- Record last updated
- May 6, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (217) 238-4951
- Medicare enrollment
- Enrolled (PECOS I20070627000318); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 2000
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 1,073 in Illinois → Look up another NPI →
Also registered at 1000 Health Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arnold Agapito, MDInternal Medicine Physician1467421677
- Aziz Ahmed, MDDiagnostic Radiology Physician1790976918
- Erika AitkenCertified Registered Nurse Anesthetist1568159127
- Mohammad Al-Akchar, MDCardiovascular Disease Physician1730561903
- Babatunde Alao, M.D.Hospitalist Physician1477714053
- Maria Althoff, CRNACertified Registered Nurse Anesthetist1922393305
Verify Constantine Dean Katsamakis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036107954Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average cardiovascular disease physician in 2024
7,225 Medicare Part D claims for 994 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Metoprolol Succinate700 claims
- Atorvastatin Calcium596 claims
- Clopidogrel589 claims
- Furosemide557 claims
- Eliquis487 claims
- Carvedilol323 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 91.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $905.11
21 payments; by number, the most common kind was food and beverage; the largest payer was Penumbra, Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Sarah Bush Lincoln Health CenterMattoon, IL · Acute Care Hospitals3 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Constantine Dean Katsamakis among 1,073 cardiovascular disease physician records in Illinois
Constantine Dean Katsamakis, DO is one of 1,073 cardiovascular disease physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 50% of them.
- NPI issued2007 · 50% of these records are older, 44% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2000 · median 2001 among the 688 with a school on file
- Record last updated2020 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Illinois
There are 1,073 cardiovascular disease physician records in Illinois.
All 1,073 in Illinois → Every provider in Mattoon → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Mohammad Al-Akchar, MDMattoon, IL 619381730561903
- Batlagundu Lakshminarayanan, MDMattoon, IL 619381326060278
- Michael Lamonto, D.O.Mattoon, IL 619381427164144
- Karen Wiarda, DOMattoon, IL 619381174733224
- James McNally, MDCharleston, IL 619201689671216
- James Hilgard, MDAlton, IL 620021861507451
- Nada Memon, MDAlton, IL 620021679774384
- Peng Wang, MDAlton, IL 620021447244363
Common questions
What is Constantine Dean Katsamakis, DO's NPI number?
Constantine Dean Katsamakis, DO's National Provider Identifier (NPI) is 1407906100, issued on Jan 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Constantine Dean Katsamakis, DO located?
The NPPES record lists a practice address at 1000 Health Center Dr, Mattoon, IL, 61938. Phone: (217) 238-4960. Providers update this record themselves, so call before visiting.
How can I verify Constantine Dean Katsamakis, DO's license?
NPPES lists Illinois license number 036107954, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Constantine Dean Katsamakis, DO prescribe under Medicare Part D?
In 2024, Constantine Dean Katsamakis, DO had 7,225 Medicare Part D claims for 994 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Constantine Dean Katsamakis, DO's MIPS final score?
The 2023 MIPS final score is 91.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.