Russ Shimizu, M.D.
NPI 1780688242 · Neurology Physician · Santa Monica, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Russ Shimizu, M.D. is a Neurology Physician provider in Santa Monica, CA (NPI 1780688242).
Provider details
- NPI number
- 1780688242
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- C33305 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,253 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 705 | $129 |
| Measurement of Brain Wave Activity (eeg), Awake and Asleep95819 | 95 | $488 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 75 | $96 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 74 | $167 |
| Mri Scan of Brain Without Contrast70551 | 62 | $67 |
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 44 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Memantine Hcl | 162 | 43 |
| Donepezil Hcl | 97 | 26 |
| Rivastigmine | 52 | 14 |
| Gabapentin | 48 | 14 |
| Pregabalin | 47 | — |
| Dextromethorphan Hbr/Quinidinebrand: Nuedexta | 44 | — |
| Ezetimibe | 41 | 12 |
| Memantine Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,230 across 175 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-11
- Last updated
- 2021-02-11
- Certified
- 2021-02-11
Frequently asked questions
- What is Russ Shimizu's NPI number?
- Russ Shimizu's National Provider Identifier (NPI) is 1780688242, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Russ Shimizu's specialty?
- Russ Shimizu is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Russ Shimizu located?
- Russ Shimizu's practice location on file with NPPES is 2811 Wilshire Blvd, Santa Monica, CA 90403-4805.
- What is Russ Shimizu's phone number?
- The practice phone number listed in the NPPES registry for Russ Shimizu is (310) 829-5968.
- Does Russ Shimizu accept Medicare?
- Russ Shimizu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Russ Shimizu's NPI active?
- Yes — Russ Shimizu's NPI (1780688242) is active in the NPPES registry as of the last update on 2021-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.