Quick answers
- Does Carlos J. Esparza accept Medicare assignment?
- Yes. Medicare's clinician data says Carlos J. Esparza 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 Carlos J. Esparza see?
- In 2024, CMS data shows 155 Original Medicare patients and 214 services for Carlos J. Esparza. This counts Original Medicare only and measures volume, not quality.
- What is Carlos J. Esparza's NPI number?
- 1336511476. 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 Carlos J. Esparza, 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 | 155 |
|---|---|
| Services billed to Medicare | 214 |
| Different services or procedures | 37 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)46 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)29 services
- Emergency department visit with moderate level of medical decision making (99284)20 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)15 services
- Emergency department visit with low level of medical decision making (99283)14 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%
- Arthritis50%
- Diabetes37%
- Anxiety37%
- Ischemic heart disease34%
Practice locations
Addresses where Carlos J. Esparza is enrolled with Medicare (CMS data updated October 2, 2026).
- 3100 N Tenaya WayLas Vegas, NV 89128 (856) 686‑4394
- 9300 W Sunset RdLas Vegas, NV 89148 (702) 880‑2800
Group practices
Medicare enrollment lists Carlos J. Esparza as a member of this group (CMS data updated October 2, 2026).
- Fremont Emergency Services Scherr Ltd133 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Las Vegas
Clinicians with the same Medicare primary specialty in Las Vegas, NV — not a recommendation.
Other clinicians in Fremont Emergency Services Scherr Ltd
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2015 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1336511476 |
| 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