NPPES file of Aug 9, 2026

Robert Aric Larson, OD

Optometrist · Plainfield, IL

Robert Aric Larson, OD is an optometrist with a practice address in Plainfield, Illinois, and NPI 1568443091, issued on Nov 10, 2005. Check the license 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
1568443091
Name
Robert Aric Larson
Credential
OD
Primary taxonomy
Optometrist 152W00000X
Practice location
15420 S Route 59, Plainfield, IL 60544
Phone
(815) 436-8955
Enumerated
Nov 10, 2005
Record last updated
Jul 13, 2026
Medicare enrollment
Enrolled (PECOS I20060807000059); may accept Medicare assignment
Medical or professional school
Indiana University - School Of Optometry, 1980
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 Robert Aric Larson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck 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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91% fewer Medicare Part D claims than the average optometrist in 2024

25 Medicare Part D claims for 20 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.

  1. Robert Larson25
  2. Specialty average277

Most prescribed

  1. Moxifloxacin13 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.

Robert Aric Larson among 2,697 optometrist records in Illinois

Robert Aric Larson, 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 92% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated1980 · median 2008 among the 1,513 with a school on file
  • Record last updated2026 · 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.

The 8 optometrist records with the nearest ZIP codes

  1. Dennis Dettmann, O.D.Plainfield, IL 605441609877455
  2. Rana Salameh, ODPlainfield, IL 605441861120495
  3. Melissa Sigler, ODPlainfield, IL 605441063405488
  4. James Tuel, O.D.Plainfield, IL 605441073523262
  5. Alin Augustine, ODOswego, IL 605431629749932
  6. Tracy Cowan, O.D.Plano, IL 605451902094808
  7. Steve Gustafson, O.D.Oswego, IL 605431609948975
  8. Ryan LeOswego, IL 605431043575327

Common questions

What is Robert Aric Larson, OD's NPI number?

Robert Aric Larson, OD's National Provider Identifier (NPI) is 1568443091, issued on Nov 10, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Robert Aric Larson, OD located?

The NPPES record lists a practice address at 15420 S Route 59, Plainfield, IL, 60544. Phone: (815) 436-8955. Providers update this record themselves, so call before visiting.

How can I verify Robert Aric Larson, OD's license?

Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Robert Aric Larson, OD prescribe under Medicare Part D?

In 2024, Robert Aric Larson, OD had 25 Medicare Part D claims for 20 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.