Quick answers
- Does Arthur A. Amador accept Medicare assignment?
- Yes. Medicare's clinician data says Arthur A. Amador 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 Arthur A. Amador see?
- In 2024, CMS data shows 48 Original Medicare patients and 96 services for Arthur A. Amador. This counts Original Medicare only and measures volume, not quality.
- What is Arthur A. Amador's NPI number?
- 1043203466. 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 Arthur A. Amador, 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 | 48 |
|---|---|
| Services billed to Medicare | 96 |
| Different services or procedures | 3 |
| Participating Medicare provider | Yes |
| Average age of these patients | 53 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)74 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)21 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 pressure56%
- High cholesterol48%
- Depression42%
- Anxiety42%
- Diabetes38%
- Arthritis23%
Practice locations
Addresses where Arthur A. Amador is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 1020 Iowa Ave, Suite BRiverside, CA 92507 (951) 955‑1648
- 1405 Spruce StRiverside, CA 92507 (951) 358‑6919
- 1820 University AveRiverside, CA 92507
- 2085 Rustin AveRiverside, CA 92507 (951) 955‑8000
- 769 W Blaine St ARiverside, CA 92507 (951) 358‑6895
Group practices
Medicare enrollment lists Arthur A. Amador as a member of this group (CMS data updated October 2, 2026).
- County of Riverside193 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Riverside
Clinicians with the same Medicare primary specialty in Riverside, CA — not a recommendation.
Other clinicians in County of Riverside
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1990 (36 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043203466 |
| 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