Doctor profile · Federal record

Dr. Sai Si Thu, MD

Neurology Physician (CMS: Neurology) · Belleville, IL

  • NPI 1063875722
  • Accepts Medicare
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4700 Memorial Dr Ste 250
Belleville, IL 622265373
(618) 235-3378
Additional location
121 Dekalb Ave
Brooklyn, NY 112015425
(718) 250-8000

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
July 6, 2022
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Illinois #036159343

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063875722. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
447
Distinct HCPCS
8
Medicare allowed
$55,414
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 148 120 $124
99204 New patient office or other outpatient visit, 45-59 minutes 89 89 $161
99213 Established patient office or other outpatient visit, 20-29 minutes 89 81 $89
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 70 38 $92
95910 Nerve conduction, 7-8 studies 14 14 $169
99215 Established patient office or other outpatient visit, 40-54 minutes 13 13 $177
95911 Nerve conduction, 9-10 studies 12 12 $198
99203 New patient office or other outpatient visit, 30-44 minutes 12 12 $112

In context: peer comparison

Among 3 peers in Belleville Neurology Physician, average services per provider: 67. This provider delivers 6.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$355
Transactions
32
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 8 $173.82
Pfizer INC. 22 $136.16
Novartis Pharmaceuticals Corporation 1 $25.24
Neurocrine Biosciences, INC. 1 $19.82

By nature of payment

Food and Beverage
$355

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
815
Patients
184
Total drug cost
$93,359
Drug Type Claims Patients Total cost
Gabapentin Generic 135 38 $1,816
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 125 39 $5,246
Pregabalin Generic 78 25 $3,152
Levetiracetam Generic 76 25 $2,906
Primidone Generic 67 18 $2,416
Donepezil Hcl Generic 62 17 $586
Baclofen Generic 51 22 $1,251
Carbidopa-Levodopa ER (Carbidopa/Levodopa) Brand 39 0 $1,618
Clonazepam Generic 31 0 $95
Lacosamide Generic 28 0 $4,020

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sai Si Thu's medical specialty?
Dr. Sai Si Thu practices Neurology Physician in Belleville, IL.
Where does Dr. Sai Si Thu practice?
Dr. Sai Si Thu practices at 4700 Memorial Dr Ste 250, Belleville, IL 622265373. Office phone: 6182353378.
What is Dr. Sai Si Thu's NPI?
Dr. Sai Si Thu's National Provider Identifier (NPI) is 1063875722, issued by NPPES.
Does Dr. Sai Si Thu accept Medicare assignment?
Yes. Dr. Sai Si Thu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sai Si Thu commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.