Constantine Katsamakis, DO
NPI 1407906100 · Cardiovascular Disease Physician · Mattoon, IL
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Constantine Katsamakis, DO is a Cardiovascular Disease Physician provider in Mattoon, IL (NPI 1407906100).
Provider details
- NPI number
- 1407906100
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 036107954 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
7,587 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 3,142 | $8 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 613 | $67 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 596 | $96 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 383 | $8 |
| Evaluation of Cardiac Rhythm Monitor System, Remote Up to 30 Days93298 | 284 | $24 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 700 | 207 |
| Atorvastatin Calcium | 596 | 152 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 589 | 175 |
| Furosemide | 557 | 171 |
| Apixabanbrand: Eliquis | 487 | 120 |
| Carvedilol | 323 | 99 |
| Amlodipine Besylate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$905 across 21 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 240 Waukegan RdGlenview, IL 60025-5126Phone: (847) 904-7400Fax: (847) 904-7401
Registry dates
- Enumerated
- 2007-01-12
- Last updated
- 2020-05-06
- Certified
- 2020-05-06
Frequently asked questions
- What is Constantine Katsamakis's NPI number?
- Constantine Katsamakis's National Provider Identifier (NPI) is 1407906100, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Constantine Katsamakis's specialty?
- Constantine Katsamakis is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Constantine Katsamakis located?
- Constantine Katsamakis's practice location on file with NPPES is 1000 Health Center Dr, Mattoon, IL 61938-4644.
- What is Constantine Katsamakis's phone number?
- The practice phone number listed in the NPPES registry for Constantine Katsamakis is (217) 238-4960.
- Does Constantine Katsamakis accept Medicare?
- Constantine Katsamakis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Constantine Katsamakis's NPI active?
- Yes — Constantine Katsamakis's NPI (1407906100) is active in the NPPES registry as of the last update on 2020-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.