Quick answers
- Does Paul M. Matsumoto accept Medicare assignment?
- Yes. Medicare's clinician data says Paul M. Matsumoto 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 Paul M. Matsumoto see?
- In 2024, CMS data shows 150 Original Medicare patients and 1,556 services for Paul M. Matsumoto. This counts Original Medicare only and measures volume, not quality.
- What is Paul M. Matsumoto's NPI number?
- 1295745602. 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 Paul M. Matsumoto, 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 | 1,556 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)178 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)90 services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)69 services
- Administration of influenza virus vaccine (G0008)21 services
- Influenza vaccine, inactivated (90653)19 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 cholesterol59%
- High blood pressure57%
- Arthritis40%
- Diabetes23%
- Chronic kidney disease23%
- Atrial fibrillation17%
Practice locations
Addresses where Paul M. Matsumoto is enrolled with Medicare (CMS data updated October 2, 2026).
- 10670 Wexford StSan Diego, CA 92131 (858) 621‑4002
- 8701 Cuyamaca StSantee, CA 92071 (858) 499‑2600
- 8975 Balboa AveSan Diego, CA 92123 (858) 499‑2600
Group practices
Medicare enrollment lists Paul M. Matsumoto as a member of this group (CMS data updated October 2, 2026).
- Sharp Rees-Stealy Medical Group Inc884 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in San Diego
Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.
Other clinicians in Sharp Rees-Stealy Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | College Of Osteo Med Of The Pacific At Pomona |
| Graduation year | 1995 (31 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1295745602 |
| 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