Quick answers
- Does Grace H. McDonald accept Medicare assignment?
- Yes. Medicare's clinician data says Grace H. McDonald 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 Grace H. McDonald see?
- In 2024, CMS data shows 150 Original Medicare patients and 469 services for Grace H. McDonald. This counts Original Medicare only and measures volume, not quality.
- What is Grace H. McDonald's NPI number?
- 1528846425. 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 Grace H. McDonald, 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 | 150 |
|---|---|
| Services billed to Medicare | 469 |
| Different services or procedures | 16 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)102 services
- Destruction of precancer skin growth, 2-14 growths (17003)98 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)85 services
- Destruction of precancer skin growth, 1 growth (17000)56 services
- Biopsy of related skin growth, first growth (11102)48 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 cholesterol74%
- High blood pressure67%
- Arthritis33%
- Diabetes31%
- Depression25%
- Chronic kidney disease25%
Practice locations
Addresses where Grace H. McDonald is enrolled with Medicare (CMS data updated October 2, 2026).
- 7117 Brockton AveRiverside, CA 92506 (951) 683‑6370
Group practices
Medicare enrollment lists Grace H. McDonald as a member of this group (CMS data updated October 2, 2026).
- Riverside Medical Clinic Inc173 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Riverside
Clinicians with the same Medicare primary specialty in Riverside, CA — not a recommendation.
Other clinicians in Riverside Medical Clinic Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1528846425 |
| 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