Quick answers
- Does Demetrios G. Maragos accept Medicare assignment?
- Yes. Medicare's clinician data says Demetrios G. Maragos accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Demetrios G. Maragos see?
- In 2024, CMS data shows 1,361 Original Medicare patients and 7,046 services for Demetrios G. Maragos. This counts Original Medicare only and measures volume, not quality.
- What is Demetrios G. Maragos's NPI number?
- 1063409381. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Demetrios G. Maragos, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 1,361 |
|---|---|
| Services billed to Medicare | 7,046 |
| Different services or procedures | 75 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes (99458)831 services
- Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (99454)789 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)723 services
- Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)696 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (93296)458 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease54%
- Arthritis47%
- Atrial fibrillation43%
- Diabetes37%
Hospitals where Demetrios G. Maragos works
Medicare's Facility Affiliation Data lists Demetrios G. Maragos at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Excelsior Springs HospitalExcelsior Springs, MO · Critical Access Hospital · Emergency services: listed by Medicare · CCN 261322
- Harrison County Community HospitalBethany, MO · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 261312
- Hedrick Medical CenterChillicothe, MO · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 261321
- Liberty HospitalLiberty, MO · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 260177
- Ray County Memorial HospitalRichmond, MO · Critical Access Hospital · Emergency services: listed by Medicare · CCN 261327
Practice locations
Addresses where Demetrios G. Maragos is enrolled with Medicare (CMS data updated October 2, 2026).
- 2521 Glenn Hendren Dr, Suite 308Liberty, MO 64068 (816) 407‑5490
- 2600 Miller StBethany, MO 64424 (816) 407‑5430
Group practices
Medicare enrollment lists Demetrios G. Maragos as a member of this group (CMS data updated October 2, 2026).
- New Liberty Hospital Corporation135 clinicians in the group
Specialties
Other interventional cardiologists in Missouri
Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.
Other clinicians in New Liberty Hospital Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Nebraska College Of Medicine |
| Graduation year | 1987 (39 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1063409381 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians