Quick answers
- Does Paulina A. Mendoza-Mancini accept Medicare assignment?
- Yes. Medicare's clinician data says Paulina A. Mendoza-Mancini 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 Paulina A. Mendoza-Mancini see?
- In 2024, CMS data shows 406 Original Medicare patients and 528 services for Paulina A. Mendoza-Mancini. This counts Original Medicare only and measures volume, not quality.
- What is Paulina A. Mendoza-Mancini's NPI number?
- 1255595054. 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 Paulina A. Mendoza-Mancini, 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 | 406 |
|---|---|
| Services billed to Medicare | 528 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)276 services
- Emergency department visit with moderate level of medical decision making (99284)114 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)52 services
- Critical care, first 30-74 minutes (99291)46 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%
- Arthritis56%
- Diabetes43%
- Depression38%
- Chronic kidney disease37%
Hospitals where Paulina A. Mendoza-Mancini works
Medicare's Facility Affiliation Data lists Paulina A. Mendoza-Mancini 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.
- Parkview Community Hospital Medical CenterRiverside, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050102
- UCI Health-OrangeOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050348
Practice locations
Addresses where Paulina A. Mendoza-Mancini is enrolled with Medicare (CMS data updated October 2, 2026).
- 1301 N Rose DrPlacentia, CA 92870 (714) 993‑2000
- 3865 Jackson StRiverside, CA 92503 (951) 352‑5666
Group practices
Medicare enrollment lists Paulina A. Mendoza-Mancini as a member of these groups (CMS data updated October 2, 2026).
- Riverside Emergency Physicians Medical Group24 clinicians in the group
- Comprehensive Care Inc7 clinicians in the group
Specialties
- Emergency Medicineprimary
- Family Practicealso
Other emergency medicine doctors in Placentia
Clinicians with the same Medicare primary specialty in Placentia, CA — not a recommendation.
Other clinicians in Riverside Emergency Physicians Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Lake Erie College Of Osteopathic Medicine, Erie |
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255595054 |
| 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