Quick answers
- Does Eduardo Castillo Del Castillo accept Medicare assignment?
- Yes. Medicare's clinician data says Eduardo Castillo Del Castillo 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 Eduardo Castillo Del Castillo see?
- In 2024, CMS data shows 270 Original Medicare patients and 1,467 services for Eduardo Castillo Del Castillo. This counts Original Medicare only and measures volume, not quality.
- What is Eduardo Castillo Del Castillo's NPI number?
- 1275743221. 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 Eduardo Castillo Del Castillo, 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 | 270 |
|---|---|
| Services billed to Medicare | 1,467 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)316 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)144 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)101 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)84 services
- Biopsy of large bowel using a flexible endoscope (45380)62 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 cholesterol75%
- High blood pressure74%
- Arthritis46%
- Diabetes40%
- Anxiety23%
- Depression20%
Practice locations
Addresses where Eduardo Castillo Del Castillo is enrolled with Medicare (CMS data updated October 2, 2026).
- 3405 Olandwood CtOlney, MD 20832 (301) 570‑8671
- 7120 Minstrel WayColumbia, MD 21045 (410) 290‑6677
Group practices
Medicare enrollment lists Eduardo Castillo Del Castillo as a member of this group (CMS data updated October 2, 2026).
- Gastro Center of Maryland LLC23 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Olney
Clinicians with the same Medicare primary specialty in Olney, MD — not a recommendation.
Other clinicians in Gastro Center of Maryland LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1275743221 |
| 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
- 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