Quick answers
- Does Jos R. Santz Ii accept Medicare assignment?
- Yes. Medicare's clinician data says Jos R. Santz Ii 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 Jos R. Santz Ii see?
- In 2024, CMS data shows 35 Original Medicare patients and 159 services for Jos R. Santz Ii. This counts Original Medicare only and measures volume, not quality.
- What is Jos R. Santz Ii's NPI number?
- 1518126176. 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 Jos R. Santz Ii, 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 | 35 |
|---|---|
| Services billed to Medicare | 159 |
| Different services or procedures | 9 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Needle measurement of electrical activity in arm or leg muscles, complete study (95886)63 services
- Nerve conduction, 13 or more studies (95913)31 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)28 services
- Needle measurement of electrical activity in trunk or head muscles (95887)26 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).
- Arthritis75%
- High cholesterol71%
- High blood pressure63%
- Ischemic heart disease34%
- Diabetes31%
Practice locations
Addresses where Jos R. Santz Ii is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.
- 1236 Brooks StOntario, CA 91762 (909) 354‑8881
- 1321 W Garvey N AveWest Covina, CA 91790 (949) 955‑0022
- 1801 S La Cienega Blvd, Suite 203Los Angeles, CA 90035 (949) 955‑0022
- 225 W Hospitality LnSan Bernardino, CA 92408 (855) 364‑6281
- 6700 Indiana Ave, Suite 145Riverside, CA 92506 (951) 637‑2700
Group practices
Medicare enrollment lists Jos R. Santz Ii as a member of this group (CMS data updated October 2, 2026).
- Precision Occupational Medical Group Inc17 clinicians in the group
Specialties
Find other Physical Medicine and Rehabilitation doctors in California →
Other rehabilitation doctors in Ontario
Clinicians with the same Medicare primary specialty in Ontario, CA — not a recommendation.
Other clinicians in Precision Occupational Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2004 (22 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1518126176 |
| 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