NPPES file of Aug 9, 2026

Sylwia Prorok, OD

Optometrist · Rockford, IL

Sylwia Prorok, OD is an optometrist with a practice address in Rockford, Illinois, and NPI 1972385938, issued on Oct 16, 2023. Check the license (Illinois 046.011808, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972385938
Name
Sylwia Prorok
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
046.011808 IL
Self-reported in NPPES; status is on the state search
Practice location
5915 E Riverside Blvd, Rockford, IL 61114
Phone
(815) 963-2020
Enumerated
Oct 16, 2023
Record last updated
Oct 16, 2023
Medicare enrollment
Enrolled (PECOS I20231101002609); accepts Medicare assignment
Medical or professional school
Illinois College Of Optometry At Chicago, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Sylwia Prorok in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 046.011808
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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82% fewer Medicare Part D claims than the average optometrist in 2024

50 Medicare Part D claims for 21 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.

  1. Sylwia Prorok50
  2. Specialty average277

Most prescribed

  1. Latanoprost17 claims
  2. Timolol Maleate12 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: $176.82

6 payments; by number, the most common kind was food and beverage; the largest payer was CooperVision Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sylwia Prorok$176.82
  2. Specialty average$769.99

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

  1. Advanced Rockford Eye Care LLCRockford, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sylwia Prorok among 2,697 optometrist records in Illinois

Sylwia Prorok, OD 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 2023, is newer than 90% of them.

  • NPI issued2023 · 90% of these records are older, 7% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2023 · median 2008 among the 1,513 with a school on file
  • Record last updated2023 · 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.

The 8 optometrist records with the nearest ZIP codes

  1. Justin Johnson, O.D.Rockford, IL 611141518229210
  2. Anita Palmer-Hall, O.D.Rockford, IL 611141598824203
  3. Daniel Pham, OPTOMETRISTRockford, IL 611141558372524
  4. Cindy Cesar, ODMachesney Park, IL 611151053894865
  5. Catherine Corrigan, O.D.Machesney Park, IL 611151861524282
  6. Christian Hernandez, ODMachesney Park, IL 611151366125742
  7. Khulan Khuchitbaatar, ODMachesney Park, IL 611151336022623
  8. Joseph Mangiardi, OPTOMETRISTMachesney Park, IL 611151649380221

Common questions

What is Sylwia Prorok, OD's NPI number?

Sylwia Prorok, OD's National Provider Identifier (NPI) is 1972385938, issued on Oct 16, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Sylwia Prorok, OD located?

The NPPES record lists a practice address at 5915 E Riverside Blvd, Rockford, IL, 61114. Phone: (815) 963-2020. Providers update this record themselves, so call before visiting.

How can I verify Sylwia Prorok, OD's license?

NPPES lists Illinois license number 046.011808, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Sylwia Prorok, OD prescribe under Medicare Part D?

In 2024, Sylwia Prorok, OD had 50 Medicare Part D claims for 21 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.