James B. Sowinski, O.D.
Optometrist · Mokena, IL
James B. Sowinski, O.D. is an optometrist with a practice address in Mokena, Illinois, and NPI 1679659775, issued on Oct 31, 2006. Check the license (Illinois 046009503, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James B. Sowinski
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 046009503 IL
Self-reported in NPPES; status is on the state search - Practice location
- 20006 Wolf RD, Mokena, IL 60448
- Phone
- (708) 478-1022
- Enumerated
- Oct 31, 2006
- Record last updated
- Mar 18, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (708) 930-1844
- Medicare enrollment
- Enrolled (PECOS I20070205000073); accepts Medicare assignment
- Medical or professional school
- Illinois College Of Optometry At Chicago, 2001
- Entity
- Type 1 · individual
8 nearest optometrist records → All 2,697 in Illinois → Look up another NPI →
Also registered at 20006 Wolf RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren Long, AU.D, CCC-AAudiologist1679949291
- Alex Lopez, ODOptometrist1851057798
- Taryn Majewski, O.D.Optometrist1598241416
Verify James B. Sowinski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 046009503Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average optometrist in 2024
161 Medicare Part D claims for 40 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.
Most prescribed
- Latanoprost83 claims
- Brimonidine Tartrate26 claims
- Timolol Maleate16 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.
Bills Medicare through one group practice
- Brent Dunlap OD PCBourbonnais, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James B. Sowinski among 2,697 optometrist records in Illinois
James B. Sowinski, 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 63% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2001 · median 2008 among the 1,513 with a school on file
- Record last updated2014 · 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).
Optometrist providers in Illinois
There are 2,697 optometrist records in Illinois.
All 2,697 in Illinois → Every provider in Mokena → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Jack Guenther, ODMokena, IL 604481215047063
- Alex Lopez, ODMokena, IL 604481851057798
- Taryn Majewski, O.D.Mokena, IL 604481598241416
- Neha HowardMinooka, IL 604471992165773
- Jennifer Jacobs, O.D.Minooka, IL 604471366554826
- Celina Lewis, ODMinooka, IL 604471851959449
- Nina Bhar, O.D.Romeoville, IL 604461043373939
- Jeffrey Blanco, O.D.Morris, IL 604501952454191
Common questions
What is James B. Sowinski, O.D.'s NPI number?
James B. Sowinski, O.D.'s National Provider Identifier (NPI) is 1679659775, issued on Oct 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James B. Sowinski, O.D. located?
The NPPES record lists a practice address at 20006 Wolf RD, Mokena, IL, 60448. Phone: (708) 478-1022. Providers update this record themselves, so call before visiting.
How can I verify James B. Sowinski, O.D.'s license?
NPPES lists Illinois license number 046009503, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does James B. Sowinski, O.D. prescribe under Medicare Part D?
In 2024, James B. Sowinski, O.D. had 161 Medicare Part D claims for 40 beneficiaries; the average among optometrist prescribers was 277. 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.