NPPES file of Aug 9, 2026

Derek P. Grzanich, DDS

Endodontics · Peoria, IL

Derek P. Grzanich, DDS is an endodontics with a practice address in Peoria, Illinois, and NPI 1487736112, issued on Oct 20, 2006. Check the license (Illinois 019026724, as entered in NPPES) with the Illinois board that licenses this profession; 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
1487736112
Name
Derek P. Grzanich
Credential
DDS
Primary taxonomy
Endodontics 1223E0200X
License numbers
019026724 IL
29339 TX
Self-reported in NPPES; status is on the state search
Practice location
9016 N Allen RD, Peoria, IL 61615
Phone
(309) 690-4500
Enumerated
Oct 20, 2006
Record last updated
Sep 12, 2025
Fax
(309) 690-4500
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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8 nearest endodontics records → All 214 in Illinois → Look up another NPI →

Also registered at 9016 N Allen RD

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

  1. Kelly Abrams, DDSGeneral Practice Dentistry1730261470
  2. Steven Mahany, DMDGeneral Practice Dentistry1619059268

Verify Derek P. Grzanich in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 019026724    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
Find the Illinois license search

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Derek P. Grzanich among 214 endodontics records in Illinois

Derek P. Grzanich, DDS is one of 214 endodontics records with a practice address in Illinois. 64% 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 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 66% newer
  • In a Medicare fileNo · 64% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2025 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endodontics providers in Illinois

There are 214 endodontics records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 214 in Illinois → Every provider in Peoria → Endodontics nationwide →

The 8 endodontics records with the nearest ZIP codes

  1. James Baldi, DDSPeoria, IL 616151306889555
  2. Stephen Benjamin, D.M.D., M.S.Peoria, IL 616141205907490
  3. Fabian Hosein, D.D.S, M.S.Peoria, IL 616141780701128
  4. Darmon Kuntz, D.D.S.Peoria, IL 616141982818548
  5. Katherine Kuntz-Jakuc, D.D.S.Peoria, IL 616141346579240
  6. Keith Evans, D.M.D., M.S.Bloomington, IL 617011215009923
  7. Seth Barnett, DMDBloomington, IL 617041518488055
  8. Steven Sieraski, D.D.S.Bloomington, IL 617041568664886

Common questions

What is Derek P. Grzanich, DDS's NPI number?

Derek P. Grzanich, DDS's National Provider Identifier (NPI) is 1487736112, issued on Oct 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Derek P. Grzanich, DDS located?

The NPPES record lists a practice address at 9016 N Allen RD, Peoria, IL, 61615. Phone: (309) 690-4500. Providers update this record themselves, so call before visiting.

How can I verify Derek P. Grzanich, DDS's license?

NPPES lists Illinois license number 019026724, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.