Quick answers
- Does Samuel I. Matsuo accept Medicare assignment?
- Yes. Medicare's clinician data says Samuel I. Matsuo 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 Samuel I. Matsuo see?
- In 2024, CMS data shows 209 Original Medicare patients and 1,048 services for Samuel I. Matsuo. This counts Original Medicare only and measures volume, not quality.
- What is Samuel I. Matsuo's NPI number?
- 1811252950. 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 Samuel I. Matsuo, 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 | 209 |
|---|---|
| Services billed to Medicare | 1,048 |
| Different services or procedures | 4 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)552 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)283 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)188 services
- Hospital discharge day management, more than 30 minutes (99239)25 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 cholesterol75%
- Arthritis64%
- Diabetes56%
- Ischemic heart disease49%
- Chronic kidney disease45%
Practice locations
Addresses where Samuel I. Matsuo is enrolled with Medicare (CMS data updated October 2, 2026).
- 840 S Akers StVisalia, CA 93277 (559) 624‑3851
Specialties
Find other Physical Medicine and Rehabilitation doctors in California →
Other rehabilitation doctors in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 2012 (14 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811252950 |
| 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