Sai Si Thu, MD
Neurology Physician · Belleville, IL
Sai Si Thu, MD is a neurology physician with a practice address in Belleville, Illinois, and NPI 1063875722, issued on Mar 31, 2016. Check the license (Illinois 036159343, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Sai Si Thu
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 036159343 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4700 Memorial Dr Ste 250, Belleville, IL 62226
- Phone
- (618) 235-3378
- Enumerated
- Mar 31, 2016
- Record last updated
- Jul 6, 2022
- Medicare enrollment
- Enrolled (PECOS I20220823002502); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 952 in Illinois → Look up another NPI →
Also registered at 4700 Memorial Dr Ste 250
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephen Burger, M. D.Neurology Physician1962424168
- Maureen Dunajcik, AGPCNP-BCGerontology Nurse Practitioner1407304728
- Paul Menell, MDNeurology Physician1548820210
- James Tanner, MDNeurology Physician1194107532
Verify Sai Si Thu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036159343Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% more Medicare Part D claims than the average neurology physician in 2024
1,790 Medicare Part D claims for 339 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Gabapentin250 claims
- Carbidopa-Levodopa218 claims
- Levetiracetam158 claims
- Baclofen131 claims
- Donepezil Hcl77 claims
- Pregabalin64 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $355.04
32 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Fairview Heights Medical Group SCBelleville, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sai Si Thu among 952 neurology physician records in Illinois
Sai Si Thu, MD is one of 952 neurology physician records with a practice address in Illinois. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 66% of them.
- NPI issued2016 · 66% of these records are older, 31% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2010 · median 2006 among the 573 with a school on file
- Record last updated2022 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Illinois
There are 952 neurology physician records in Illinois.
All 952 in Illinois → Every provider in Belleville → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Aloka Amarakone, MDBelleville, IL 622261407051329
- Stephen Burger, M. D.Belleville, IL 622261962424168
- Nahayo Esperant-Hilaire, MDBelleville, IL 622261235766148
- Panduranga Kini, M.D.Swansea, IL 622261205948932
- Paul Menell, MDBelleville, IL 622261548820210
- Sheikh Sadiq, MDBelleville, IL 622261164474102
- Concepcion Santillan, MDBelleville, IL 622261083647408
- James Tanner, MDBelleville, IL 622261194107532
Common questions
What is Sai Si Thu, MD's NPI number?
Sai Si Thu, MD's National Provider Identifier (NPI) is 1063875722, issued on Mar 31, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Sai Si Thu, MD located?
The NPPES record lists a practice address at 4700 Memorial Dr Ste 250, Belleville, IL, 62226. Phone: (618) 235-3378. Providers update this record themselves, so call before visiting.
How can I verify Sai Si Thu, MD's license?
NPPES lists Illinois license number 036159343, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sai Si Thu, MD prescribe under Medicare Part D?
In 2024, Sai Si Thu, MD had 1,790 Medicare Part D claims for 339 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.