Sylvia Thoman, O.D.
Optometrist · Rockford, IL
Sylvia Thoman, O.D. is an optometrist with a practice address in Rockford, Illinois, and NPI 1528110533, issued on Jan 18, 2007. Check the license (Illinois 046.009647, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sylvia Thoman
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 046.009647 IL
Self-reported in NPPES; status is on the state search - Practice location
- 575 S Perryville RD, Rockford, IL 61108
- Phone
- (815) 315-9358
- Enumerated
- Jan 18, 2007
- Record last updated
- Feb 26, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (815) 397-4684
- Medicare enrollment
- Enrolled (PECOS I20041008001098); accepts Medicare assignment
- Medical or professional school
- Illinois College Of Optometry At Chicago, 2004
- Entity
- Type 1 · individual
8 nearest optometrist records → All 2,697 in Illinois → Look up another NPI →
Also registered at 575 S Perryville RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jacqueline CozzoneOptometrist1942789177
- Chad Slagle, O.D.Optometrist1093157992
Verify Sylvia Thoman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 046.009647Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Style Optique IncSouth Barrington, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sylvia Thoman among 2,697 optometrist records in Illinois
Sylvia Thoman, O.D. is one of 2,697 optometrist records with a practice address in Illinois. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 37% of them.
- NPI issued2007 · 37% of these records are older, 48% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2004 · median 2008 among the 1,513 with a school on file
- Record last updated2016 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
54 optometrist records list a practice address in Rockford
They are 54 of the 3,893 NPPES records with a practice address in Rockford, and 2,697 optometrist records in Illinois.
All 2,697 in Illinois → Every provider in Rockford → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Judy Chanthalangsy, O.D.Rockford, IL 611081053666818
- Donald Cruden, O.D.Rockford, IL 611081598771503
- Sarah Gregg, ODRockford, IL 611081881703049
- Anne Hsiue, O.D.Rockford, IL 611081912044439
- Aman Jalota, ODRockford, IL 611081952615684
- Randall Kittle, ODRockford, IL 611081871763839
- Charles Pearson, O.D.Rockford, IL 611081639120488
- Jillian Phelps, O.D.Rockford, IL 611081457587388
Common questions
What is Sylvia Thoman, O.D.'s NPI number?
Sylvia Thoman, O.D.'s National Provider Identifier (NPI) is 1528110533, issued on Jan 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Sylvia Thoman, O.D. located?
The NPPES record lists a practice address at 575 S Perryville RD, Rockford, IL, 61108. Phone: (815) 315-9358. Providers update this record themselves, so call before visiting.
How can I verify Sylvia Thoman, O.D.'s license?
NPPES lists Illinois license number 046.009647, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity 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.