Quick answers
- Does Nelson P. Trujillo Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Nelson P. Trujillo Jr. 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 Nelson P. Trujillo Jr. see?
- In 2024, CMS data shows 1,269 Original Medicare patients and 2,923 services for Nelson P. Trujillo Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Nelson P. Trujillo Jr.'s NPI number?
- 1184636045. 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 Nelson P. Trujillo Jr., 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 | 1,269 |
|---|---|
| Services billed to Medicare | 2,923 |
| Different services or procedures | 59 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)673 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)555 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)346 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (93296)193 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)167 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 pressure69%
- Ischemic heart disease61%
- Arthritis48%
- Atrial fibrillation34%
- Heart failure24%
Hospitals where Nelson P. Trujillo Jr. works
Medicare's Facility Affiliation Data lists Nelson P. Trujillo Jr. 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.
- Boulder Community HealthBoulder, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060027
Practice locations
Addresses where Nelson P. Trujillo Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 4743 Arapahoe Ave, Suite 201Boulder, CO 80303 (303) 442‑2395
Group practices
Medicare enrollment lists Nelson P. Trujillo Jr. as a member of this group (CMS data updated October 2, 2026).
- Boulder Community Health264 clinicians in the group
Specialties
Other interventional cardiologists in Boulder
Clinicians with the same Medicare primary specialty in Boulder, CO — not a recommendation.
Other clinicians in Boulder Community Health
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | George Washington University School Of Medicine |
| Graduation year | 1988 (38 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) | 1184636045 |
| 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