NPPES file of Aug 9, 2026

Edward Clare Diaz, M.D.

Urology Physician · Park Ridge, IL

Edward Clare Diaz, M.D. is a urology physician with a practice address in Park Ridge, Illinois, and NPI 1922274620, issued on May 2, 2008. Check the license (Illinois 036131931, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922274620
Name
Edward Clare Diaz
Credential
M.D.
Primary taxonomy
Urology Physician 208800000X
License numbers
036131931 IL
57.013244 OH
Self-reported in NPPES; status is on the state search
Practice location
1675 Dempster St FL 3, Park Ridge, IL 60068
Phone
(847) 297-8700
Enumerated
May 2, 2008
Record last updated
Jul 29, 2022
Medicare enrollment
Enrolled (PECOS I20150922000761); accepts Medicare assignment
Medical or professional school
University Of Southern California Keck School Of Medicine, 2007
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 1675 Dempster St FL 3

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

  1. Kathryn Allen, PT, DPTPhysical Therapist1609139898
  2. Patricia Arroyo Parejo Drayer, M.D.Pediatric Nephrology Physician1790167914
  3. Mary Burke, M.S.CCCSLPSpeech-Language Pathologist1154548873
  4. Jennifer BurnsAudiologist1972988665
  5. Kendra Crowe, APRNPediatric Nurse Practitioner1588345847
  6. Jacalyn Derengowski, P.T.Pediatric Physical Therapist1306974811

Verify Edward Clare Diaz 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 036131931
    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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Bills Medicare through one group practice

  1. Childrens Hospital Los Angeles Medical Group IncLos Angeles, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Edward Clare Diaz among 629 urology physician records in Illinois

Edward Clare Diaz, M.D. is one of 629 urology physician records with a practice address in Illinois. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 53% of them.

  • NPI issued2008 · 53% of these records are older, 42% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated2007 · median 2002 among the 341 with a school on file
  • Record last updated2022 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Urology Physician providers in Illinois

There are 629 urology physician records in Illinois.

The 8 urology physician records with the nearest ZIP codes

  1. Mark Brandt, MDPark Ridge, IL 600681942248794
  2. Thomas Cottrell, M.D.Park Ridge, IL 600681003812934
  3. Robert Kaplinsky, MDPark Ridge, IL 600681982643235
  4. Hudson PiercePark Ridge, IL 600681588297956
  5. David Rebuck, M.D.Park Ridge, IL 600681689809808
  6. William Cook, M.D.Ringwood, IL 600721740626514
  7. David Ragan, M.D.North Chicago, IL 600641568403657
  8. Charles Feinstein, M.D.Northbrook, IL 600621841227675

Common questions

What is Edward Clare Diaz, M.D.'s NPI number?

Edward Clare Diaz, M.D.'s National Provider Identifier (NPI) is 1922274620, issued on May 2, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Edward Clare Diaz, M.D. located?

The NPPES record lists a practice address at 1675 Dempster St FL 3, Park Ridge, IL, 60068. Phone: (847) 297-8700. Providers update this record themselves, so call before visiting.

How can I verify Edward Clare Diaz, M.D.'s license?

NPPES lists Illinois license number 036131931, 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. 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.