Quick answers
- Does Brian S. Sakamoto accept Medicare assignment?
- Yes. Medicare's clinician data says Brian S. Sakamoto 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 Brian S. Sakamoto see?
- In 2024, CMS data shows 2,820 Original Medicare patients and 5,039 services for Brian S. Sakamoto. This counts Original Medicare only and measures volume, not quality.
- What is Brian S. Sakamoto's NPI number?
- 1962608158. 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 Brian S. Sakamoto, 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 | 2,820 |
|---|---|
| Services billed to Medicare | 5,039 |
| Different services or procedures | 204 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- X-ray of chest, 1 view (71045)1,017 services
- Ct scan head or brain without contrast (70450)395 services
- Screening mammography (77067)237 services
- Screening 3d breast mammography (77063)235 services
- X-ray of chest, 2 views (71046)201 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%
- Diabetes49%
- Arthritis45%
- Chronic kidney disease37%
- Ischemic heart disease35%
Hospitals where Brian S. Sakamoto works
Medicare's Facility Affiliation Data lists Brian S. Sakamoto at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Adventist Health Lodi MemorialLodi, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050336
- Marshall Medical CenterPlacerville, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050254
- San Joaquin General HospitalFrench Camp, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050167
- Sutter Tracy Community HospitalTracy, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050313
- Watsonville Community HospitalWatsonville, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050194
Practice locations
Addresses where Brian S. Sakamoto is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1031 S Fairmont AveLodi, CA 95240 (209) 334‑8580
- 225 N Jackson AveSan Jose, CA 95116 (209) 647‑2184
- 500 W Hospital RdFrench Camp, CA 95231 (209) 468‑6000
- 729 Pauline CourtSonora, CA 95370 (209) 588‑8068
- 92 -1097 Koio Dr, M 335Kapolei, HI 96707 (209) 647‑2184
Group practices
Medicare enrollment lists Brian S. Sakamoto as a member of these groups (CMS data updated October 2, 2026).
- Adventist Health Physicians Network628 clinicians in the group
- County of San Joaquin199 clinicians in the group
- Central Valley Imaging Medical Associates Inc89 clinicians in the group
- Lodi Memorial Hospital Association Inc80 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Lodi
Clinicians with the same Medicare primary specialty in Lodi, CA — not a recommendation.
Other clinicians in Adventist Health Physicians Network
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Saint Louis University School Of Medicine |
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1962608158 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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