Marie-Ange Sainvilus, MD
Obstetrics & Gynecology Physician · Chester, IL
Marie-Ange Sainvilus, MD is an obstetrics & gynecology physician with a practice address in Chester, Illinois, and NPI 1083602072, issued on Oct 12, 2005. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Marie-Ange Sainvilus
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- Practice location
- 1315 Lehmen Dr, Chester, IL 62233
- Phone
- (618) 826-4571
- Enumerated
- Oct 12, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (618) 826-3229
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 2,062 in Illinois → Look up another NPI →
Also registered at 1315 Lehmen Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alan Felthous, MDPsychiatry Physician1164410502
- Richard Johnson, PHDPsychologist1588699847
- Elaine Moy, PHARM.D.Pharmacist1679759344
Verify Marie-Ange Sainvilus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
46 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium12 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.
Marie-Ange Sainvilus among 2,062 obstetrics & gynecology physician records in Illinois
Marie-Ange Sainvilus, MD is one of 2,062 obstetrics & gynecology physician records with a practice address in Illinois. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2026 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 obstetrics & gynecology physician record lists a practice address in Chester
They are 1 of the 66 NPPES records with a practice address in Chester, and 2,062 obstetrics & gynecology physician records in Illinois.
All 2,062 in Illinois → Every provider in Chester → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Cynthia Huelsmann, M.D.Shattuc, IL 622311073651659
- Anne Doll-Pollard, M.D.Breese, IL 622301881652626
- Bonnie Gelly, M.D.Breese, IL 622301316148364
- Penny Gozia, M.D.Breese, IL 622301629035076
- William Chadwick, M.D.Belleville, IL 622261568454775
- Elliot Wool, M.D.Swansea, IL 622261043302011
- Sheniqua Drakeford, MDScott Afb, IL 622251578974903
- Ashley Gullixson, D.O.Scott Afb, IL 622251992339584
Common questions
What is Marie-Ange Sainvilus, MD's NPI number?
Marie-Ange Sainvilus, MD's National Provider Identifier (NPI) is 1083602072, issued on Oct 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Marie-Ange Sainvilus, MD located?
The NPPES record lists a practice address at 1315 Lehmen Dr, Chester, IL, 62233. Phone: (618) 826-4571. Providers update this record themselves, so call before visiting.
How can I verify Marie-Ange Sainvilus, MD's license?
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 Marie-Ange Sainvilus, MD prescribe under Medicare Part D?
In 2024, Marie-Ange Sainvilus, MD had 46 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. 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.