Quick answers
- Does Francisco A. Castillos Iii accept Medicare assignment?
- Yes. Medicare's clinician data says Francisco A. Castillos Iii 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 Francisco A. Castillos Iii see?
- In 2024, CMS data shows 360 Original Medicare patients and 133,745 services for Francisco A. Castillos Iii. This counts Original Medicare only and measures volume, not quality.
- What is Francisco A. Castillos Iii's NPI number?
- 1619978285. 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 Francisco A. Castillos Iii, 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 | 360 |
|---|---|
| Services billed to Medicare | 133,745 |
| Different services or procedures | 78 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) (Q0138)71,911 services
- Injection, romosozumab-aqqg, 1 mg (J3111)25,200 services
- Injection, denosumab, 1 mg (J0897)7,260 services
- Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units (Q5106)4,200 services
- Injection, iron dextran, 50 mg (J1750)3,080 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 cholesterol73%
- High blood pressure68%
- Arthritis51%
- Osteoporosis35%
- Diabetes31%
- Anxiety31%
Hospitals where Francisco A. Castillos Iii works
Medicare's Facility Affiliation Data lists Francisco A. Castillos Iii 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.
- UNC Health NashRocky Mount, NC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 340147
- Wakemed, Raleigh CampusRaleigh, NC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 340069
Practice locations
Addresses where Francisco A. Castillos Iii is enrolled with Medicare (CMS data updated October 2, 2026).
- 11635 Northpark Dr, Suite 250Wake Forest, NC 27587 (919) 825‑4637
Specialties
- Hematology/Oncologyprimary
- Internal Medicinealso
Other hematologist-oncologists in North Carolina
Clinicians with the same Medicare primary specialty in North Carolina — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Chicago College Of Medicine And Surgery |
| Graduation year | 1995 (31 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619978285 |
| 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