Quick answers
- Does Cesar A. De Las Casas accept Medicare assignment?
- Yes. Medicare's clinician data says Cesar A. De Las Casas 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 Cesar A. De Las Casas see?
- In 2024, CMS data shows 100 Original Medicare patients and 554 services for Cesar A. De Las Casas. This counts Original Medicare only and measures volume, not quality.
- What is Cesar A. De Las Casas's NPI number?
- 1184711798. 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 Cesar A. De Las Casas, 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 | 100 |
|---|---|
| Services billed to Medicare | 554 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)200 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)138 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)59 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)51 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)49 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%
- Arthritis64%
- Ischemic heart disease49%
- Chronic kidney disease48%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)46%
Hospitals where Cesar A. De Las Casas works
Medicare's Facility Affiliation Data lists Cesar A. De Las Casas 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.
- Halifax Health /UF Health Medical Center of DeltonDeltona, FL · Acute Care Hospital · Emergency services: listed by Medicare · CCN 100330
- Halifax Health Medical CenterDaytona Beach, FL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 100017
- Memorial Hermann Sugar Land HospitalSugar Land, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · CCN 450848
Practice locations
Addresses where Cesar A. De Las Casas is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1041 Dunlawon AvePort Orange, FL 32127 (386) 322‑4700
- 1185 Dunlawton Ave, Suite 105Port Orange, FL 32127 (386) 322‑4750
- 2130 W Holcombe Blvd, 10th FloorHouston, TX 77030 (713) 600‑0900
- 303 N Clyde Morris BlvdDaytona Bch, FL 32114
- 3300 E Halifax Crossing BlvdDeltona, FL 32725 (386) 425‑6100
Group practices
Medicare enrollment lists Cesar A. De Las Casas as a member of these groups (CMS data updated October 2, 2026).
- American Oncology Partners PA391 clinicians in the group
- Halifax Healthcare Systems Inc356 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Port Orange
Clinicians with the same Medicare primary specialty in Port Orange, FL — not a recommendation.
Other clinicians in American Oncology Partners PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1994 (32 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1184711798 |
| 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