Dr. Constantine Dean Katsamakis, DO

  • Mattoon, IL
  • Cardiologist
NPI1407906100PAC ID8527167881
Medicare services, 2024
7,587
Medicare patients, 2024
3,089
Part D claims, 2024
7,225
MIPS score, 2024
89
Hospital affiliations
5
Practice address
1000 Health Center Drive P O Box 372, Mattoon, IL 61938
Practice phone
Call (217) 258-2513
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Sarah Bush Lincoln Health Center

Hospital · Mattoon, Illinois

See all 6 affiliations

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Dr. Constantine Dean Katsamakis is a cardiologist in Mattoon, Illinois

Dr. Katsamakis practices at Sarah Bush Lincoln Health Center in Mattoon, Illinois, part of Sarah Bush Lincoln Health System.

Dr. Katsamakis' NPI, 1407906100, was assigned on January 12, 2007. Dr. Katsamakis graduated from Midwestern University, Chicago College of Osteopathic Med in 2000. Dr. Katsamakis holds Illinois license 036107954.

NPI and contact details
Medicare PAC ID
8527167881
NPI enumeration date
January 12, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(217) 258-2513
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
52
Medical school graduation
2000

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Constantine Dean Katsamakis practices at Sarah Bush Lincoln Health Center in Mattoon, Illinois

Dr. Katsamakis' primary practice is Sarah Bush Lincoln Health Center, at 1000 Health Center Drive P O Box 372, Mattoon, IL 61938 in Coles County. The practice phone is (217) 258-2513.

Source: Dmand AI Affiliation Data

Dr. Constantine Dean Katsamakis is affiliated with 5 sites of care and 1 medical group

Dr. Katsamakis' primary practice is Sarah Bush Lincoln Health Center in Mattoon, Illinois, part of Sarah Bush Lincoln Health System. Dr. Katsamakis is also affiliated with Carle Foundation Hospital. The medical group on file is Sarah Bush Lincoln. Dmand AI also links Dr. Katsamakis to 3 more hospitals, each named with a free account.

See all 6 affiliations for Dr. Katsamakis

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

Dmand AI tracks the EHR system at Dr. Constantine Dean Katsamakis' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Katsamakis practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sarah Bush Lincoln Health CenterAvailable with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Katsamakis practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Sarah Bush Lincoln Health System and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Constantine Dean Katsamakis is one of 908 cardiologists in Illinois

Cardiovascular disease is Dr. Katsamakis' primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Katsamakis is licensed in Illinois.

Specialties and state licenses

  • Cardiovascular disease, IllinoisPrimaryLicense 036107954 · taxonomy 207RC0000X

Cardiologists near Dr. Katsamakis

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. Constantine Dean Katsamakis billed Medicare for 7,587 services in 2024

CMS data shows 7,587 Medicare services from Dr. Katsamakis across 43 procedure codes in 2024, for 3,089 Medicare patients. Medicare paid $261,787 for them.

Medicare services, 20247,587
Medicare patients3,089
Paid by Medicare$261,787
Procedure codes43

Dr. Katsamakis' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 4,7992024: 5,52115%
Office and hospital visits
2023: 1,4742024: 1,3876%
Imaging
2023: 2112024: 27932%
Other services
2023: 02024: 263
Surgery
2023: 392024: 137251%

Where Dr. Katsamakis' Medicare services took place, 2024

  • In an office4696%
  • In a facility7,11894%

Dr. Katsamakis compared with the Illinois median for cardiologists, 2024

  • Dr. Katsamakis
  • Illinois median
Medicare services
7,587vs 1,9363.9 times
Medicare patients
3,089vs 1,0233.0 times
Part D claims
6,973vs 1,5024.6 times

Medians across 906 cardiologists in Illinois with Dmand AI profiles that report each measure.

Dr. Katsamakis' 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. Katsamakis

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

Dr. Constantine Dean Katsamakis treated 3,089 Medicare patients in 2024, average age 74

CMS counts 3,089 Medicare patients who saw Dr. Katsamakis in 2024. The largest group is 65 to 74, with 1,248 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.62, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Katsamakis' median patient age at 72, with 51% women.

Medicare patients, 20243,089
Average age74
Average risk score1.62
Also on Medicaid24%

Dr. Katsamakis' Medicare patients by age, 2024

Dr. Katsamakis' Medicare patients by sex, 2024

  • Women1,72056%
  • Men1,36944%

Chronic conditions among Dr. Katsamakis' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis60%
  4. Ischemic heart disease47%
  5. Diabetes38%
  6. Heart failure36%
  7. Anxiety34%
  8. Chronic kidney disease33%

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

Dr. Katsamakis' patients across all payers

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

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women51%
  • Men48%

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

Dr. Constantine Dean Katsamakis wrote 7,225 Medicare Part D claims in 2024

In 2024, Dr. Katsamakis wrote 7,225 Medicare Part D claims for 994 patients. 80% of them were for generic drugs. CMS names the drug for 6,973 of them, across 48 drugs with 11 or more claims each, at $1,494,577 in total drug cost. In 2023, CMS named 6,158 claims across 48 drugs.

Part D claims, 20247,225
Drugs named by CMS48
Total drug cost$1.5M
Part D patients994

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

  • Generic5,744 claims80%
  • Brand-name1,481 claims20%

Dr. Katsamakis' 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: 6,1582024: 6,97313%

Drugs named by CMS: 48 in 2024, 48 in 2023.

See all prescribing by Dr. Katsamakis

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

Dr. Constantine Dean Katsamakis scored 89 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Katsamakis for performance year 2024, reported through an alternative payment model (APM). Dr. Katsamakis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 23 procedures of leg revascularization (restoring blood flow) by Dr. Katsamakis, more than 83% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Katsamakis' MIPS scores, performance year 2024

  • 89of 100Final score
  • 69.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Katsamakis ranks in Medicare procedure volume

Varicose vein removal
73rd percentile46 procedures
Coronary angioplasty and stenting
72nd percentile35 procedures
Leg revascularization (restoring blood flow)
83rd percentile23 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Constantine Dean Katsamakis received $9,356 in industry payments from 2016 to 2025

CMS Open Payments shows 439 general payments to Dr. Katsamakis from 31 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 76% of the total. Medtronic, Inc. paid the most, $2,314.

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

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

$9.4Kin total
  • Food and beverage$7,15276%
  • Travel and lodging$2,18823%
  • Education$170%

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

Share is of all general payments to this clinician.

See all payments to Dr. Katsamakis

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

Dr. Constantine Dean Katsamakis graduated from Midwestern University, Chicago College of Osteopathic Med

Dr. Katsamakis graduated from Midwestern University, Chicago College of Osteopathic Med in 2000.

  1. Medical schoolMidwestern University, Chicago College of Osteopathic Med

Source: Dmand AI Professional Profile Data

Sources for Dr. Constantine Dean Katsamakis'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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
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. Constantine Dean Katsamakis

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. Constantine Dean Katsamakis' NPI number?

Dr. Constantine Dean Katsamakis' NPI number is 1407906100. It was assigned on January 12, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Constantine Dean Katsamakis?

Dr. Constantine Dean Katsamakis is a cardiologist in Mattoon, Illinois. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. Constantine Dean Katsamakis practice?

Dr. Katsamakis practices at 1000 Health Center Drive P O Box 372, Mattoon, IL 61938. Dr. Katsamakis' primary practice is Sarah Bush Lincoln Health Center in Mattoon, Illinois, part of Sarah Bush Lincoln Health System. Dmand AI also links Dr. Katsamakis to 3 hospitals.

What is Dr. Constantine Dean Katsamakis' office phone number?

The practice phone on file for Dr. Katsamakis is (217) 258-2513.

What is Dr. Constantine Dean Katsamakis' medical license number?

Dr. Katsamakis holds Illinois license 036107954.

Which hospitals is Dr. Constantine Dean Katsamakis affiliated with?

Dr. Katsamakis practices at Sarah Bush Lincoln Health Center in Mattoon, Illinois. Dr. Katsamakis is also affiliated with Carle Foundation Hospital. Dmand AI links Dr. Katsamakis to 3 more hospitals.

What medical group is Dr. Constantine Dean Katsamakis part of?

Dr. Katsamakis is linked to Sarah Bush Lincoln.

Does Dr. Constantine Dean Katsamakis accept Medicare?

Yes. CMS data shows Dr. Katsamakis billed Medicare for 7,587 services in 2024, and Dr. Katsamakis accepts Medicare assignment.

What is Dr. Constantine Dean Katsamakis' MIPS score?

Dr. Katsamakis' MIPS final score for performance year 2024 is 89 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. Constantine Dean Katsamakis see?

CMS counts 3,089 Medicare patients who saw Dr. Katsamakis in 2024, with an average age of 74.

Show 5 more questionsShow fewer questions

What services does Dr. Constantine Dean Katsamakis bill to Medicare?

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

Where did Dr. Constantine Dean Katsamakis go to medical school?

Dr. Katsamakis graduated from Midwestern University, Chicago College of Osteopathic Med in 2000.

What drugs does Dr. Constantine Dean Katsamakis prescribe most?

In 2024 Medicare Part D data, Dr. Katsamakis' most prescribed drugs by claims were Metoprolol Succinate, Atorvastatin Calcium and Clopidogrel.

Has Dr. Constantine Dean Katsamakis received payments from drug or device companies?

CMS Open Payments shows $9,356 in general payments to Dr. Katsamakis from 31 companies from 2016 to 2025. The largest total came from Medtronic, Inc.

How long has Dr. Constantine Dean Katsamakis been practicing?

Dr. Katsamakis graduated from medical school in 2000, 26 years ago.

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