Quick answers
- Does Marisa K. Mendez accept Medicare assignment?
- Yes. Medicare's clinician data says Marisa K. Mendez 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 Marisa K. Mendez see?
- In 2024, CMS data shows 176 Original Medicare patients and 386 services for Marisa K. Mendez. This counts Original Medicare only and measures volume, not quality.
- What is Marisa K. Mendez's NPI number?
- 1992013445. 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 Marisa K. Mendez, 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 | 176 |
|---|---|
| Services billed to Medicare | 386 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)106 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)58 services
- Telephone medical discussion with physician, 11-20 minutes (99442)55 services
- Routine electrocardiogram (ecg) using at least 12 leads with tracing (93005)15 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)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 cholesterol75%
- High blood pressure65%
- Arthritis38%
- Diabetes32%
- Chronic kidney disease20%
- Anxiety19%
Hospitals where Marisa K. Mendez works
Medicare's Facility Affiliation Data lists Marisa K. Mendez 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.
- Memorialcare Long Beach Medical CenterLong Beach, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050485
- UCI Health-OrangeOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050348
Practice locations
Addresses where Marisa K. Mendez is enrolled with Medicare (CMS data updated October 2, 2026).
- 824 E Carson St, Suite 104Carson, CA 90745 (310) 830‑9706
Group practices
Medicare enrollment lists Marisa K. Mendez as a member of this group (CMS data updated October 2, 2026).
- Healthcare Partners Affiliates Medical Group754 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Other clinicians in Healthcare Partners Affiliates Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2006 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1992013445 |
| 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