NPPES file of Aug 9, 2026

Eric Marnul

Optometrist · Loves Park, IL

Eric Marnul is an optometrist with a practice address in Loves Park, Illinois, and NPI 1740617570, issued on Oct 11, 2013. Check the license (Illinois 046.010705, 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
1740617570
Name
Eric Marnul
Primary taxonomy
Optometrist 152W00000X
License number
046.010705 IL
Self-reported in NPPES; status is on the state search
Practice location
5000 Stadium Dr, Loves Park, IL 61111
Phone
(847) 264-0055
Enumerated
Oct 11, 2013
Record last updated
Jun 22, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20150220000973); accepts Medicare assignment
Medical or professional school
Illinois College Of Optometry At Chicago, 2013
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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Also registered at 5000 Stadium Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Cortney BrentPharmacist1912775149
  2. Elena CheptenePharmacist1497301360

Verify Eric Marnul 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 046.010705
    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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56% fewer Medicare Part D claims than the average optometrist in 2024

121 Medicare Part D claims for 54 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 71% of claims.

  1. Eric Marnul121
  2. Specialty average277

Most prescribed

  1. Prednisolone Acetate25 claims
  2. Neomycin-Polymyxin-Dexameth19 claims
  3. Restasis14 claims
  4. Xiidra11 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.

Eric Marnul among 2,697 optometrist records in Illinois

Eric Marnul 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 2013, is newer than 66% of them.

  • NPI issued2013 · 66% of these records are older, 31% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2013 · median 2008 among the 1,513 with a school on file
  • Record last updated2020 · 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).

8 optometrist records list a practice address in Loves Park

They are 8 of the 340 NPPES records with a practice address in Loves Park, and 2,697 optometrist records in Illinois.

The 8 optometrist records with the nearest ZIP codes

  1. Richard Anderson, ODLoves Park, IL 611111437232477
  2. Jay Black, ODLoves Park, IL 611111629113261
  3. Jeffrey Dannatt, ODLoves Park, IL 611111225207558
  4. Jennifer Dungan, ODLoves Park, IL 611111427212513
  5. Roger Hill, ODLoves Park, IL 611111235212275
  6. Krupa Patel, ODLoves Park, IL 611111861048936
  7. Donald Wight, O.D.Loves Park, IL 611111043260144
  8. Corinne Chu, O.D.Rockford, IL 611121720003767

Common questions

What is Eric Marnul's NPI number?

Eric Marnul's National Provider Identifier (NPI) is 1740617570, issued on Oct 11, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Eric Marnul located?

The NPPES record lists a practice address at 5000 Stadium Dr, Loves Park, IL, 61111. Phone: (847) 264-0055. Providers update this record themselves, so call before visiting.

How can I verify Eric Marnul's license?

NPPES lists Illinois license number 046.010705, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Eric Marnul prescribe under Medicare Part D?

In 2024, Eric Marnul had 121 Medicare Part D claims for 54 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.