Quick answers
- Does Evelyn Mendoza accept Medicare assignment?
- Yes. Medicare's clinician data says Evelyn Mendoza 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 Evelyn Mendoza see?
- In 2024, CMS data shows 791 Original Medicare patients and 323,267 services for Evelyn Mendoza. This counts Original Medicare only and measures volume, not quality.
- What is Evelyn Mendoza's NPI number?
- 1558368605. 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 Evelyn Mendoza, 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 | 791 |
|---|---|
| Services billed to Medicare | 323,267 |
| Different services or procedures | 138 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Injection, ferric carboxymaltose, 1 mg (J1439)41,250 services
- Injection, daratumumab, 10 mg and hyaluronidase-fihj (J9144)20,880 services
- Injection, denosumab, 1 mg (J0897)19,800 services
- Injection, pembrolizumab, 1 mg (J9271)17,600 services
- Injection, aprepitant, 1 mg (J0185)17,420 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%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)47%
- Diabetes41%
- Chronic kidney disease38%
Hospitals where Evelyn Mendoza works
Medicare's Facility Affiliation Data lists Evelyn Mendoza 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.
- Loma Linda University Medical Center-MurrietaMurrieta, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050770
Practice locations
Addresses where Evelyn Mendoza is enrolled with Medicare (CMS data updated October 2, 2026).
- 301 N San Jacinto StHemet, CA 92543
Specialties
- Hematology/Oncologyprimary
- Internal Medicinealso
Other hematologist-oncologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1984 (42 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558368605 |
| 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