NPPES file of Aug 9, 2026

Steven D. Diamond, MD

Family Medicine Physician · Rockford, IL

Steven D. Diamond, MD is a family medicine physician with a practice address in Rockford, Illinois, and NPI 1861481244, issued on Oct 18, 2005. Check the license (Illinois 036376054, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1861481244
Name
Steven D. Diamond
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
036376054 IL
28756020 WI
Self-reported in NPPES; status is on the state search
Practice location
5727 Strathmoor Dr, Rockford, IL 61107
Phone
(815) 397-3337
Enumerated
Oct 18, 2005
Record last updated
Sep 2, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(815) 231-5408
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 5727 Strathmoor Dr

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

  1. John Hart, M.D.Pediatrics Physician1073625208
  2. Patricia Panzica, M.D.Pediatrics Physician1093827222

Verify Steven D. Diamond 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 036376054
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Steven D. Diamond among 6,215 family medicine physician records in Illinois

Steven D. Diamond, MD is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 91% newer
  • In a Medicare fileNo · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2014 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

145 family medicine physician records list a practice address in Rockford

They are 145 of the 3,893 NPPES records with a practice address in Rockford, and 6,215 family medicine physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 family medicine physician records with the nearest ZIP codes

  1. Diana Alanis, MDRockford, IL 611071922007418
  2. Joy Deleoz, MDRockford, IL 611071083697171
  3. Chantal Girod, MDRockford, IL 611071881620383
  4. John Holtan, MDRockford, IL 611071831127224
  5. William Kobler, MDRockford, IL 611071588693626
  6. Steven Lidvall, MDRockford, IL 611071013946649
  7. Arpana Mathur, MDRockford, IL 611071023090560
  8. Syed Mohiuddin, MDRockford, IL 611071144216243

Common questions

What is Steven D. Diamond, MD's NPI number?

Steven D. Diamond, MD's National Provider Identifier (NPI) is 1861481244, issued on Oct 18, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Steven D. Diamond, MD located?

The NPPES record lists a practice address at 5727 Strathmoor Dr, Rockford, IL, 61107. Phone: (815) 397-3337. Providers update this record themselves, so call before visiting.

How can I verify Steven D. Diamond, MD's license?

NPPES lists Illinois license number 036376054, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.