Doctor profile · Federal record

Dr. William Buxton, MD

Clinical Neurophysiology Physician (CMS: Neurology) · Neuromuscular Medicine (Psychiatry & Neurology) Physician · Neurology Physician · Santa Monica, CA

  • NPI 1669495149
  • Accepts Medicare
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
1301 20Th St Ste 150
Santa Monica, CA 904042050
(310) 582-7641
fax (310) 315-4069
Additional location
100 Moody CT Ste 200
Thousand Oaks, CA 913606082
(805) 418-3500
fax (805) 418-3505
Additional location
300 Medical Plaza, #B200
Los Angeles, CA 900950001
(310) 794-1195
fax (310) 794-7491
Mailing address
1301 20Th St Ste 145
Santa Monica, CA 904042050

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
February 14, 2023
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
2084N0600X — NUCC code
State license (1)
California #A67676
Medicaid
CA #00A676760

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669495149. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
906
Distinct HCPCS
10
Medicare allowed
$141,110
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 319 186 $140
99215 Established patient office or other outpatient visit, 40-54 minutes 241 148 $197
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 90 63 $112
95885 Needle measurement of electrical activity in arm or leg muscles, limited study 56 39 $73
99204 New patient office or other outpatient visit, 45-59 minutes 34 34 $175
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 30 23 $35
99205 New patient office or other outpatient visit, 60-74 minutes 24 24 $241
99213 Established patient office or other outpatient visit, 20-29 minutes 22 21 $100
95911 Nerve conduction, 9-10 studies 21 21 $240
95909 Nerve conduction, 5-6 studies 17 17 $152

In context: peer comparison

Among 2 peers in Santa Monica Clinical Neurophysiology Physician, average services per provider: 204. This provider delivers 4.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$689
Transactions
28
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Ucb, INC. 10 $183.02
Csl Behring 3 $104.73
Argenx US, INC. 3 $86.82
Lilly USA, LLC 3 $72.22
Acadia Pharmaceuticals INC 2 $54.16
Neurocrine Biosciences, INC. 1 $38.69
Takeda Pharmaceuticals U.S.A., INC. 2 $35.98
Biogen, INC. 1 $31.81
Ipsen Biopharmaceuticals, INC 1 $29.82
Abbvie INC. 1 $27.29
Eisai INC. 1 $24.91

By nature of payment

Food and Beverage
$689

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
580
Patients
130
Total drug cost
$2,488,139
Drug Type Claims Patients Total cost
Gabapentin Generic 140 49 $3,916
Duloxetine Hcl Generic 119 39 $6,001
Sodium Chloride (0.9 % Sodium Chloride) Brand 61 0 $1,076
Prednisone Generic 47 11 $716
Gammagard Liquid (Immun Glob G(Igg)/Gly/Iga Ov50) Brand 40 0 $660,528
Pregabalin Generic 39 15 $1,719
Pyridostigmine Bromide Generic 38 16 $4,634
Meloxicam Generic 17 0 $54
Octagam (Immun Globg(Igg)/Malt/Iga Ov50) Brand 16 0 $497,647
Privigen (Immun Glob G(Igg)/Pro/Iga 0-50) Brand 15 0 $497,470

Frequently asked questions

Auto-generated from federal data
What is Dr. William Buxton's medical specialty?
Dr. William Buxton practices Clinical Neurophysiology Physician in Santa Monica, CA.
Where does Dr. William Buxton practice?
Dr. William Buxton practices at 1301 20Th St Ste 150, Santa Monica, CA 904042050. Office phone: 3105827641.
What is Dr. William Buxton's NPI?
Dr. William Buxton's National Provider Identifier (NPI) is 1669495149, issued by NPPES.
Does Dr. William Buxton accept Medicare assignment?
Yes. Dr. William Buxton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Buxton commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Needle measurement of electrical activity in arm or leg muscles, complete study (HCPCS 95886). Source: CMS Medicare Physician & Other Practitioners file.