Doctor profile · Federal record

Dr. William Chow, MD

Neurology Physician (CMS: Neurology) · Los Angeles, CA

  • NPI 1457409211
  • Accepts Medicare
  • MIPS 74.2 / 100 · 2023
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8635 W 3Rd Street, Suite 450 West
Los Angeles, CA 90048
(310) 659-4986
fax (310) 652-7570

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
September 21, 2020
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
California #A64697

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457409211. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,755
Distinct HCPCS
10
Medicare allowed
$1,105,203
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 2,746 347 $125
99215 Established patient office or other outpatient visit, 40-54 minutes 2,055 837 $194
99442 Telephone medical discussion with physician, 11-20 minutes 564 306 $98
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 381 339 $182
95819 Measurement of brain wave activity (eeg), awake and asleep 345 317 $60
99205 New patient office or other outpatient visit, 60-74 minutes 339 339 $237
95819 Measurement of brain wave activity (eeg), awake and asleep 100 100 $518
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 51 27 $110
95715 Measurement of brain wave activity with video (veeg), 12-26 hours with intermittent monitoring 50 17 $954
99215 Established patient office or other outpatient visit, 40-54 minutes 33 25 $151

In context: peer comparison

Among 85 peers in Los Angeles Neurology Physician, average services per provider: 411. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,702
Transactions
75
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Ucb, INC. 23 $420.33
Novartis Pharmaceuticals Corporation 11 $168.49
Pfizer INC. 6 $165.81
Argenx US, INC. 6 $165.01
Lilly USA, LLC 6 $159.32
Lundbeck LLC 6 $155.97
Alexion Pharmaceuticals, INC. 3 $82.14
Neurelis, INC. 2 $66.58
Biogen, INC. 2 $54.36
Sumitomo Pharma America, INC. 2 $49.96
Teva Pharmaceuticals USA, INC. 2 $46.15
Eisai INC. 2 $45.03
Acadia Pharmaceuticals INC 2 $41.93
Abbott Laboratories 1 $23.60
Bausch Health US, LLC 1 $22.85

By nature of payment

Food and Beverage
$1,689
Education
$13

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,683
Patients
603
Total drug cost
$106,728
Drug Type Claims Patients Total cost
Donepezil Hcl Generic 509 121 $9,178
Gabapentin Generic 479 106 $10,574
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 408 85 $13,166
Memantine Hcl Generic 321 72 $19,928
Levetiracetam Generic 222 48 $11,656
Duloxetine Hcl Generic 130 30 $2,969
Topiramate Generic 107 25 $2,340
Lamotrigine Generic 88 15 $3,017
Propranolol Hcl ER (Propranolol Hcl) Brand 71 21 $3,445
Primidone Generic 64 14 $968

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Chow's medical specialty?
Dr. William Chow practices Neurology Physician in Los Angeles, CA.
Where does Dr. William Chow practice?
Dr. William Chow practices at 8635 W 3Rd Street, Los Angeles, CA 90048. Office phone: 3106594986.
What is Dr. William Chow's NPI?
Dr. William Chow's National Provider Identifier (NPI) is 1457409211, issued by NPPES.
Does Dr. William Chow accept Medicare assignment?
Yes. Dr. William Chow accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Chow commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99215); Telephone medical discussion with physician (HCPCS 99442). Source: CMS Medicare Physician & Other Practitioners file.