Quick answers
- Does Demetrius F. Loukas accept Medicare assignment?
- Yes. Medicare's clinician data says Demetrius F. Loukas 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 Demetrius F. Loukas see?
- In 2024, CMS data shows 596 Original Medicare patients and 103,934 services for Demetrius F. Loukas. This counts Original Medicare only and measures volume, not quality.
- What is Demetrius F. Loukas's NPI number?
- 1154369775. 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 Demetrius F. Loukas, 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 | 596 |
|---|---|
| Services billed to Medicare | 103,934 |
| Different services or procedures | 184 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Injection, iron sucrose, 1 mg (J1756)10,900 services
- Injection, pembrolizumab, 1 mg (J9271)8,100 services
- Injection, daratumumab, 10 mg and hyaluronidase-fihj (J9144)7,200 services
- Injection, fosaprepitant, 1 mg (J1453)3,750 services
- Injection, denosumab, 1 mg (J0897)2,460 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 cholesterol71%
- High blood pressure69%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)52%
- Arthritis43%
- Ischemic heart disease31%
- Chronic kidney disease25%
Hospitals where Demetrius F. Loukas works
Medicare's Facility Affiliation Data lists Demetrius F. Loukas 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.
- Ascension Seton HaysKyle, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 670056
- Ascension Seton Medical Center AustinAustin, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450056
- North Austin Medical CenterAustin, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450809
- St David's Medical CenterAustin, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450431
Practice locations
Addresses where Demetrius F. Loukas is enrolled with Medicare (CMS data updated October 2, 2026).
- 2410 Round Rock Ave, Suite 150Round Rock, TX 78681 (512) 341‑8724
- 901 W 38th St, Suite 200Austin, TX 78705 (512) 421‑4100
Group practices
Medicare enrollment lists Demetrius F. Loukas as a member of this group (CMS data updated October 2, 2026).
- Texas Oncology PA1,014 clinicians in the group
Specialties
- Medical Oncologyprimary
- Internal Medicinealso
Other oncologists in Round Rock
Clinicians with the same Medicare primary specialty in Round Rock, TX — not a recommendation.
Other clinicians in Texas Oncology PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical Branch At Galveston |
| Graduation year | 1971 (55 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1154369775 |
| 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