NPPES file of Aug 9, 2026

Arthur J. Kohn, MD

Ophthalmology Physician · Chicago, IL

Arthur J. Kohn, MD is an ophthalmology physician with a practice address in Chicago, Illinois, and NPI 1811003791, issued on Aug 22, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; 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
1811003791
Name
Arthur J. Kohn
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
Practice location
6801 N California Ave, Chicago, IL 60645
Phone
(773) 743-4300
Enumerated
Aug 22, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(773) 743-5132
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 6801 N California Ave

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

  1. Inna Goldberg, ODOptometrist1730199068
  2. David Greenberg, MDOphthalmology Physician1730282187
  3. Ludmila Weinstein, ODOptometrist1902912884

Verify Arthur J. Kohn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck 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
Open the Illinois license search

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91% fewer Medicare Part D claims than the average ophthalmology physician in 2024

136 Medicare Part D claims for 50 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.

  1. Arthur Kohn136
  2. Specialty average1,518

Most prescribed

  1. Dorzolamide-Timolol28 claims
  2. Ketorolac Tromethamine22 claims
  3. Tobramycin-Dexamethasone19 claims
  4. Latanoprost17 claims
  5. Loteprednol Etabonate12 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.

Ophthalmology Physician providers in Illinois

There are 898 ophthalmology physician records in Illinois.

Other ophthalmology physician records in Illinois

  1. Walid Abdallah, MDRockford, IL1871912717
  2. Robert Abishek, MDChicago, IL1760314678
  3. Ashley Abraham, M.D.Springfield, IL1285900423
  4. Evelyn Ackermann, MDElgin, IL1053308676
  5. Kathleen Ackman Blake, MDHinsdale, IL1497734966
  6. Kaela Acuff, MDChicago, IL1609678549
  7. Nolan AdamsMaywood, IL1124581780
  8. Mohamed Adenwalla, M.D.Elmhurst, IL1184679524
  9. Roger Adler, MDPekin, IL1063465110
  10. Armin Afshar, M.D.Chicago, IL1063742161

Common questions

What is Arthur J. Kohn, MD's NPI number?

Arthur J. Kohn, MD's National Provider Identifier (NPI) is 1811003791, issued on Aug 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Arthur J. Kohn, MD located?

The NPPES record lists a practice address at 6801 N California Ave, Chicago, IL, 60645. Phone: (773) 743-4300. Providers update this record themselves, so call before visiting.

How can I verify Arthur J. Kohn, MD's license?

Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Arthur J. Kohn, MD prescribe under Medicare Part D?

In 2024, Arthur J. Kohn, MD had 136 Medicare Part D claims for 50 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.