Dr. Demetrius Loukas, M.D.
What this data tells you about Dr. Loukas
Dr. Demetrius Loukas is a hematology & oncology specialist in Austin, TX, with 19 years of NPI registration. Based on federal Medicare data, Dr. Loukas performed 53,100 Medicare services across 3,400 unique beneficiaries.
Between the years covered by Open Payments, Dr. Loukas received a total of $583 from 17 pharmaceutical and/or device companies across 28 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in hematology & oncology. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Loukas is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Darbepoetin injection (Aranesp) for anemia | 15,475 | $2 | $20 |
| Iron sucrose injection (Venofer) | 13,500 | $0 | $2 |
| Daratumumab injection (Darzalex) | 6,480 | $38 | $128 |
| Pembrolizumab injection (Keytruda) | 4,900 | $43 | $137 |
| Denosumab injection (Prolia/Xgeva) | 2,460 | $18 | $66 |
| Dexamethasone injection (steroid) | 1,184 | $0 | $1 |
| Blood draw (venipuncture) | 1,060 | $8 | $20 |
| Complete blood count (CBC) with differential | 982 | $8 | $36 |
| Comprehensive metabolic blood panel | 901 | $10 | $64 |
| Flow cytometry, additional marker | 696 | $20 | $180 |
| Office visit, established patient (30-39 min) | 691 | $91 | $368 |
| Injection, granisetron hydrochloride, 100 mcg | 640 | $0 | $24 |
| Measurement of immunoglobulin light chains | 264 | $17 | $60 |
| Administration of chemotherapy into vein, 1 hour or less | 191 | $106 | $707 |
| Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less | 180 | $23 | $157 |
| Injection, pegfilgrastim, excludes biosimilar, 0.5 mg | 180 | $76 | $1,348 |
| Immunologic analysis for detection of tumor antigen, quantitative; ca 15-3 | 168 | $20 | $128 |
| Iron level test | 156 | $6 | $27 |
| Iron binding capacity test | 156 | $9 | $35 |
| Ferritin level test (iron stores) | 155 | $13 | $60 |
| Microscopic examination for white blood cells with manual cell count | 145 | $4 | $22 |
| Complete blood count (CBC), automated | 145 | $6 | $34 |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | 142 | $53 | $313 |
| Immunoglobulin level test | 138 | $9 | $56 |
| Reticulated (young) platelet measurement | 128 | $35 | $143 |
| Drug injection, under skin or into muscle | 128 | $10 | $96 |
| Office visit, established patient (20-29 min) | 111 | $58 | $250 |
| Infusion, normal saline solution , 1000 cc | 102 | $2 | $19 |
| Injection of additional new drug or substance into vein | 100 | $13 | $108 |
| Administration of chemotherapy into vein, each additional hour | 98 | $23 | $161 |
| Carcinoembryonic antigen (cea) protein level | 94 | $19 | $99 |
| Injection, zoledronic acid, 1 mg | 90 | $7 | $431 |
| Protein measurement, serum | 84 | $10 | $99 |
| Immunologic analysis technique on serum | 80 | $29 | $108 |
| Immunologic analysis technique on serum (immunofixation) | 80 | $22 | $160 |
| Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle | 79 | $60 | $211 |
| Injection, diphenhydramine hcl, up to 50 mg | 77 | $1 | $7 |
| Infusion into a vein for therapy, prevention, or diagnosis, each additional hour | 75 | $17 | $100 |
| Thyroid stimulating hormone (TSH) test | 70 | $16 | $80 |
| Infusion into a vein for hydration, each additional hour | 70 | $10 | $75 |
| Office visit, established patient, complex (40-54 min) | 60 | $138 | $496 |
| Administration of additional new drug or substance into vein, 1 hour or less | 47 | $52 | $344 |
| PSA test (prostate cancer screening) | 41 | $18 | $94 |
| Infusion into a vein for hydration, 31-60 minutes | 38 | $26 | $256 |
| Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle | 38 | $24 | $145 |
| Testosterone (hormone) level, total | 37 | $25 | $143 |
| Injection, fosnetupitant 235 mg and palonosetron 0.25 mg | 30 | $351 | $1,722 |
| Red blood count automated, with additional calculations | 28 | $5 | $26 |
| Administration of additional new drug or substance into vein using push technique | 28 | $46 | $289 |
| Unclassified drugs | 28 | $13 | $52 |
| Uric acid level test | 27 | $4 | $25 |
| Flow cytometry technique for dna or cell analysis, first marker | 27 | $62 | $298 |
| Infusion, normal saline solution, sterile (500 ml = 1 unit) | 27 | $1 | $19 |
| Injection of drug or substance into vein | 24 | $31 | $247 |
| Lactate dehydrogenase (enzyme) level | 23 | $6 | $31 |
| New patient office visit, complex (60-74 min) | 20 | $162 | $709 |
| Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries | 20 | $90 | $657 |
| Drawing of blood for a medical problem | 18 | $70 | $264 |
| Nuclear medicine study from skull base to mid-thigh with ct scan | 16 | $1,222 | $4,802 |
| Beta-2 microglobulin (protein) level | 16 | $16 | $96 |
| Application of on-body injector for under skin injection | 15 | $15 | $96 |
| Vitamin B-12 level test | 13 | $15 | $76 |
| Folic acid level test | 13 | $14 | $73 |
| New patient office visit (45-59 min) | 11 | $117 | $565 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
Associated products mentioned in payments ›
Most payments (95%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. Loukas is a mixed practice specialist, with above-average Medicare volume (top 18% in TX), with low-engagement industry engagement, with 19 years of NPI registration.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
Is Dr. Loukas experienced with darbepoetin injection (aranesp) for anemia?
Does Dr. Loukas receive payments from pharmaceutical companies?
How do Dr. Loukas's costs compare to other hematology & oncology specialists in Austin?
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. The Transparency Score measures data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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