MR. DAVID WILLIAM JANTZEN III M.D.
NPI 1649451352
Pediatrics - Pediatric Cardiology in Peoria, IL
About Mr. David William Jantzen Iii M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. DAVID WILLIAM JANTZEN III M.D. (NPI 1649451352) is an individual pediatric cardiology provider in Peoria, Illinois, licensed in Illinois (036.138159) and active in the NPI registry since November 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mr. David William Jantzen Iii M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show David Jantzen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Omaha, NE 68198
- Reassigned Medicare billing, Nebraska enrollment
- 2,154 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PEORIA, IL 61603
PEORIA, IL 61603
PEORIA, IL 61603
PEORIA, IL 61603
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is David Jantzen's NPI number?
The NPI number for David Jantzen is 1649451352. It was assigned to this individual provider in the NPPES registry on November 21, 2007.
Where is David Jantzen located?
David Jantzen practices at 420 NE Glen Oak Ave Suite 301, Peoria, IL 61603. The listed phone number is (309) 655-3453.
What is David Jantzen's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
Is David Jantzen enrolled in Medicare?
Yes. David Jantzen is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for David Jantzen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Jantzen reassigns Medicare benefits to Unmc Physicians (Omaha, NE). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Jantzen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Jantzen accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Blue Cross and Blue Shield of Nebraska and Oscar Insurance Company and 2 other insurers list David Jantzen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for David Jantzen was last updated on July 15, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mr. David William Jantzen III, M.D. · NPI 1649451352
Pediatric Cardiology physician in Peoria, Illinois. Individual provider, active in the CMS NPPES registry since November 21, 2007.
## Identity
- **NPI:** 1649451352 (Entity type: Individual)
- **Enumerated:** November 21, 2007
- **Primary specialty:** Pediatrics - Pediatric Cardiology · taxonomy 2080P0202X
- **State license:** 036.138159 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 420 NE GLEN OAK AVE, SUITE 301, Peoria, IL 61603-3105
- **Phone:** (309) 655-3453 · **Fax:** (309) 655-3410
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Unmc Physicians (NPI 1417912114, Omaha, NE), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 15, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1649451352) · Data from the CMS NPPES public registry.