Quick answers
- Does Mark Ross S. Mendoza accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Ross S. 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 Mark Ross S. Mendoza see?
- In 2024, CMS data shows 90 Original Medicare patients and 4,914 services for Mark Ross S. Mendoza. This counts Original Medicare only and measures volume, not quality.
- What is Mark Ross S. Mendoza's NPI number?
- 1023893294. 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 Mark Ross S. 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 | 90 |
|---|---|
| Services billed to Medicare | 4,914 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 80 |
Most frequent services
- Complete ft, per square centimeter (Q4271)1,343 services
- Removal of skin and tissue, 20.0 sq cm or less (11042)268 services
- Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)212 services
- Removal of skin and tissue, each additional 20.0 sq cm or less (11045)179 services
- Application of skin substitute graft to wound of trunk, arms, or legs, 25.0 sq cm or less of wound 100.0 sq cm or less (15271)132 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 cholesterol64%
- Diabetes62%
- Arthritis49%
- Heart failure49%
- Ischemic heart disease43%
Practice locations
Addresses where Mark Ross S. Mendoza is enrolled with Medicare (CMS data updated October 2, 2026).
- 1424 Hummingbird WayBanning, CA 92220 (626) 250‑4912
Group practices
Medicare enrollment lists Mark Ross S. Mendoza as a member of this group (CMS data updated October 2, 2026).
- Harbor Wound Care P C29 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Banning
Clinicians with the same Medicare primary specialty in Banning, CA — not a recommendation.
Other clinicians in Harbor Wound Care P C
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023893294 |
| 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