Doctor profile · Federal record

Dr. Michael Liu, MD

Neurology Physician (CMS: Neurology) · Neurology Physician · Neurology Physician · Alton, IL

  • NPI 1851402721
  • Accepts Medicare
  • 37 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4 Memorial Dr Ste 230
Alton, IL 620026751
(618) 465-8666
fax (618) 465-8670
Additional location
11155 Dunn RD Ste 109N
Saint Louis, MO 631366148
Mailing address
4 Memorial Dr Ste 230B
Alton, IL 620026705

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
March 25, 2021
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State licenses (3)
Illinois #036-122583 · Missouri #T2004015403 · Missouri #2010011913

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851402721. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
7,761
Distinct HCPCS
10
Medicare allowed
$172,882
HCPCS Description Services Patients Avg allowed
J0585 Injection, onabotulinumtoxina, 1 unit 6,600 15 $6
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 242 232 $172
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 155 120 $77
99214 Established patient office or other outpatient visit, 30-39 minutes 139 99 $123
95816 Measurement of brain wave activity (eeg), awake and drowsy 135 130 $55
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 105 63 $44
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99 98 $130
99204 New patient office or other outpatient visit, 45-59 minutes 80 80 $164
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 66 50 $49
99215 Established patient office or other outpatient visit, 40-54 minutes 45 41 $177

In context: peer comparison

Among 3 peers in this city , average services per provider: 248. This provider delivers 31× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,103
Transactions
61
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 11 $195.73
UCB, Inc. 8 $148.98
Novartis Pharmaceuticals Corporation 16 $131.55
Celgene Corporation 3 $69.31
Neurelis, Inc. 3 $65.44
PFIZER INC. 4 $64.85
Eisai Inc. 3 $56.29
Lilly USA, LLC 2 $49.84
SK Life Science, Inc. 3 $48.30
Sumitomo Pharma America, Inc. 2 $42.78
Genentech USA, Inc. 2 $31.61
JAZZ PHARMACEUTICALS INC. 1 $27.43
Abbott Laboratories 1 $24.64
CATALYST PHARMACEUTICALS, INC. 1 $20.81
Neurocrine Biosciences, Inc. 1 $18.29

By nature of payment

Food and Beverage
$1,103

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,098
Patients
293
Total drug cost
$63,703
Drug Type Claims Patients Total cost
Memantine Hcl Generic 215 77 $10,095
Levetiracetam Generic 140 34 $3,746
Donepezil Hcl Generic 117 44 $1,597
Gabapentin Generic 103 28 $1,557
Amitriptyline Hcl Generic 83 25 $1,303
Topiramate Generic 81 28 $926
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 77 27 $3,324
Primidone Generic 49 19 $1,398
Lamotrigine Generic 40 11 $1,392
Carbamazepine Generic 37 0 $1,503

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Liu's medical specialty?
Dr. Michael Liu practices Neurology Physician in Alton, IL.
Where does Dr. Michael Liu practice?
Dr. Michael Liu practices at 4 Memorial Dr Ste 230, Alton, IL 620026751. Office phone: 6184658666.
What is Dr. Michael Liu's NPI?
Dr. Michael Liu's National Provider Identifier (NPI) is 1851402721, issued by NPPES.
Does Dr. Michael Liu accept Medicare assignment?
Yes. Dr. Michael Liu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Liu commonly perform?
Top Medicare-reported procedures in 2023: Injection, onabotulinumtoxina, 1 unit (HCPCS J0585); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.