Quick answers
- Does Russ T. Shimizu accept Medicare assignment?
- Yes. Medicare's clinician data says Russ T. Shimizu 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 Russ T. Shimizu see?
- In 2024, CMS data shows 318 Original Medicare patients and 1,306 services for Russ T. Shimizu. This counts Original Medicare only and measures volume, not quality.
- What is Russ T. Shimizu's NPI number?
- 1780688242. 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 Russ T. Shimizu, 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 | 318 |
|---|---|
| Services billed to Medicare | 1,306 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)705 services
- Measurement of brain wave activity (eeg), awake and asleep (95819)95 services
- Telephone medical discussion with physician, 21-30 minutes (99443)75 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)74 services
- Mri scan of brain without contrast (70551)62 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%
- Stroke or mini-stroke52%
- Ischemic heart disease39%
- Anxiety34%
Hospitals where Russ T. Shimizu works
Medicare's Facility Affiliation Data lists Russ T. Shimizu 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.
- Cedars-Sinai Medical CenterLos Angeles, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050625
Practice locations
Addresses where Russ T. Shimizu is enrolled with Medicare (CMS data updated October 2, 2026).
- 2811 Wilshire Blvd, Suite 550Santa Monica, CA 90403 (310) 829‑5968
Specialties
- Neurologyprimary
Other neurologists in Santa Monica
Clinicians with the same Medicare primary specialty in Santa Monica, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Colorado School Of Medicine, Denver |
| Graduation year | 1967 (59 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) | 1780688242 |
| 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