Quick answers
- Does Laura C. Nieves accept Medicare assignment?
- Yes. Medicare's clinician data says Laura C. Nieves 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 Laura C. Nieves see?
- In 2024, CMS data shows 458 Original Medicare patients and 1,369 services for Laura C. Nieves. This counts Original Medicare only and measures volume, not quality.
- What is Laura C. Nieves's NPI number?
- 1073808994. 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 Laura C. Nieves, 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 | 458 |
|---|---|
| Services billed to Medicare | 1,369 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)970 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)187 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)137 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)27 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)11 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%
- Arthritis53%
- Diabetes31%
- Chronic kidney disease29%
- Ischemic heart disease28%
Hospitals where Laura C. Nieves works
Medicare's Facility Affiliation Data lists Laura C. Nieves 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.
- Corona Regional Medical CenterCorona, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050329
Practice locations
Addresses where Laura C. Nieves is enrolled with Medicare (CMS data updated October 2, 2026).
- 28078 Baxter Rd, Suite 530Murrieta, CA 92563
- 341 Magnolia Ave, Suite 206Corona, CA 92879 (951) 554‑5778
- 521 E Elder St, Suite 104Fallbrook, CA 92028 (760) 728‑9560
Group practices
Medicare enrollment lists Laura C. Nieves as a member of these groups (CMS data updated October 2, 2026).
- Prohealth Partners, a Medical Group239 clinicians in the group
- United Medical Doctors173 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Murrieta
Clinicians with the same Medicare primary specialty in Murrieta, CA — not a recommendation.
Other clinicians in Prohealth Partners, a Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Ponce School Of Medicine |
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1073808994 |
| 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