William Buxton, MD
NPI 1669495149 · Clinical Neurophysiology Physician · Santa Monica, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1669495149
- Entity type
- Individual
- Primary specialty
- Clinical Neurophysiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A67676 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
849 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 | 306 | $138 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 204 | $195 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 77 | $107 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Limited Study95885 | 46 | $71 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 46 | $180 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Duloxetine Hcl | 127 | 47 |
| Gabapentin | 121 | 47 |
| Prednisone | 63 | — |
| Pregabalin | 63 | 18 |
| 0.9 % Sodium Chloridebrand: Sodium Chloride | 51 | — |
| Immun Globg(igg)/Malt/Iga Ov50brand: Octagam | 43 | — |
| Pyridostigmine Bromide | 37 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$689 across 28 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
Additional practice locations (2)
- 300 Medical Plaza#b200Los Angeles, CA 90095-0001Phone: (310) 794-1195Fax: (310) 794-7491
- 100 Moody Ct Ste 200Thousand Oaks, CA 91360-6082Phone: (805) 418-3500Fax: (805) 418-3505
Registry dates
- Enumerated
- 2006-07-25
- Last updated
- 2023-02-14
- Certified
- 2023-02-14
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.