NPPES file of Aug 9, 2026

Salomon J. Dayan, MD

Internal Medicine Physician · Evanston, IL

Salomon J. Dayan, MD is an internal medicine physician with a practice address in Evanston, Illinois, and NPI 1821385949, issued on Jul 10, 2011. Check the license (Illinois 036045741, as entered in NPPES) 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
1821385949
Name
Salomon J. Dayan
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036045741 IL
Self-reported in NPPES; status is on the state search
Practice location
2837 Sheridan PL, Evanston, IL 60201
Phone
(773) 677-6590
Enumerated
Jul 10, 2011
Record last updated
Jul 10, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(847) 859-2760
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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Verify Salomon J. Dayan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036045741
    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
Open the Illinois license search

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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

31 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Salomon Dayan31
  2. Specialty average3,176

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.

Salomon J. Dayan among 7,238 internal medicine physician records in Illinois

Salomon J. Dayan, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 53% of them.

  • NPI issued2011 · 53% of these records are older, 45% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2011 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

178 internal medicine physician records list a practice address in Evanston

They are 178 of the 4,013 NPPES records with a practice address in Evanston, and 7,238 internal medicine physician records in Illinois.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Gary Davis, M.D.Evanston, IL 602011588605745
  2. Bruce Doblin, MDEvanston, IL 602011417903212
  3. Steven Fox, MDEvanston, IL 602011821032210
  4. Richard Gayes, M.D.Evanston, IL 602011942233242
  5. Jeffrey Geohas, M.D.Evanston, IL 602011609846351
  6. Mahalakshmi Halasyamani, M.D.Evanston, IL 602011760441679
  7. Liza Icayan, M.D.Evanston, IL 602011316922529
  8. Shrimant Mishra, MDEvanston, IL 602011376551150

Common questions

What is Salomon J. Dayan, MD's NPI number?

Salomon J. Dayan, MD's National Provider Identifier (NPI) is 1821385949, issued on Jul 10, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Salomon J. Dayan, MD located?

The NPPES record lists a practice address at 2837 Sheridan PL, Evanston, IL, 60201. Phone: (773) 677-6590. Providers update this record themselves, so call before visiting.

How can I verify Salomon J. Dayan, MD's license?

NPPES lists Illinois license number 036045741, as entered by the provider. 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 Salomon J. Dayan, MD prescribe under Medicare Part D?

In 2024, Salomon J. Dayan, MD had 31 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.