NPPES file of Aug 9, 2026

David William Jantzen, M.D.

Pediatric Cardiology Physician · Peoria, IL

David William Jantzen, M.D. is a pediatric cardiology physician with a practice address in Peoria, Illinois, and NPI 1649451352, issued on Nov 21, 2007. Check the license (Illinois 036.138159, 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
1649451352
Name
David William Jantzen
Credential
M.D.
Primary taxonomy
Pediatric Cardiology Physician 2080P0202X
License numbers
036.138159 IL
4301097945 MI
5841 NE
Self-reported in NPPES; status is on the state search
Practice location
420 NE Glen Oak Ave, Peoria, IL 61603
Phone
(309) 655-3453
Enumerated
Nov 21, 2007
Record last updated
Jul 15, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(309) 655-3410
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 pediatric cardiology physician records → All 162 in Illinois → Look up another NPI →

Also registered at 420 NE Glen Oak Ave

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

  1. Cecilia Albaro, M.D.Pediatric Cardiology Physician1497879290
  2. William Albers, MDPediatric Cardiology Physician1982798146
  3. Charles Aprahamian, MDPediatric Surgery Physician1033323902
  4. Allison Blicharz, PA-SPhysician Assistant1982442315
  5. Heather Boore, APN, CNS-BCPediatric Clinical Nurse Specialist1083062285
  6. Matthew Bramlet, MDPediatric Cardiology Physician1164689428

Verify David William Jantzen 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 036.138159    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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David William Jantzen among 162 pediatric cardiology physician records in Illinois

David William Jantzen, M.D. is one of 162 pediatric cardiology physician records with a practice address in Illinois. 60% 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 2007, is newer than 28% of them.

  • NPI issued2007 · 28% of these records are older, 54% newer
  • In a Medicare fileNo · 60% of these records are
  • In the CMS Doctors and Clinicians fileNo · 52% of these records are
  • Record last updated2015 · 27% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0202X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Cardiology Physician providers in Illinois

There are 162 pediatric cardiology physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 162 in Illinois → Every provider in Peoria → Pediatric Cardiology Physician nationwide →

The 8 pediatric cardiology physician records with the nearest ZIP codes

  1. Cecilia Albaro, M.D.Peoria, IL 616031497879290
  2. William Albers, MDPeoria, IL 616031982798146
  3. Matthew Bramlet, MDPeoria, IL 616031164689428
  4. Ty Hasselman, MDPeoria, IL 616031861438434
  5. Marc Knepp, M.D.Peoria, IL 616031568686277
  6. Priti Patel, MDPeoria, IL 616031740483627
  7. Jitendra Shah, MDPeoria, IL 616031619061827
  8. Stephen Bash, MDPeoria, IL 616141417041666

Common questions

What is David William Jantzen, M.D.'s NPI number?

David William Jantzen, M.D.'s National Provider Identifier (NPI) is 1649451352, issued on Nov 21, 2007. An NPI identifies a provider in billing; it is not a license.

Where is David William Jantzen, M.D. located?

The NPPES record lists a practice address at 420 NE Glen Oak Ave, Peoria, IL, 61603. Phone: (309) 655-3453. Providers update this record themselves, so call before visiting.

How can I verify David William Jantzen, M.D.'s license?

NPPES lists Illinois license number 036.138159, 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.

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.